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8-Hour Ozone (1997 and 2008) and Previous 1-Hour Ozone State/County Detail Report

As of July 02, 2014
Listed by State, County then Pollutant

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

ALABAMA
 
Jefferson Co
8-Hr Ozone (1997) Birmingham, AL - (Former Subpart 1)
1-Hr Ozone (1979) Birmingham, AL - (Marginal)
 
Shelby Co
8-Hr Ozone (1997) Birmingham, AL - (Former Subpart 1)
1-Hr Ozone (1979) Birmingham, AL - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

ARIZONA
 
Maricopa Co
8-Hr Ozone (1997) * Phoenix-Mesa, AZ - (Marginal)
1-Hr Ozone (1979) * Phoenix, AZ - (Serious)
8-Hr Ozone (2008) * Phoenix-Mesa, AZ - (Marginal)
 
Pinal Co
8-Hr Ozone (1997) * Phoenix-Mesa, AZ - (Marginal)
8-Hr Ozone (2008) * Phoenix-Mesa, AZ - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

ARKANSAS
 
Crittenden Co
8-Hr Ozone (1997) Memphis, TN-AR - (Moderate)
8-Hr Ozone (2008) Memphis, TN-MS-AR - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

CALIFORNIA
 
Alameda Co
8-Hr Ozone (1997) San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) San Francisco Bay Area, CA - (Marginal)
 
Amador Co
8-Hr Ozone (1997) Amador and Calaveras Cos. (Central Mountain Cos.), CA - (Moderate)
 
Butte Co
8-Hr Ozone (1997) Chico, CA - (Marginal)
1-Hr Ozone (1979) Chico, CA - (Section 185A)
8-Hr Ozone (2008) Chico (Butte County), CA - (Marginal)
 
Calaveras Co
8-Hr Ozone (1997) Amador and Calaveras Cos. (Central Mountain Cos.), CA - (Moderate)
8-Hr Ozone (2008) Calaveras County, CA - (Marginal)
 
Contra Costa Co
8-Hr Ozone (1997) San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) San Francisco Bay Area, CA - (Marginal)
 
El Dorado Co
8-Hr Ozone (1997) * Sacramento Metro, CA - (Severe 15)
1-Hr Ozone (1979) * Sacramento Metro, CA - (Severe 15)
8-Hr Ozone (2008) * Sacramento Metro, CA - (Severe 15)
 
Fresno Co
8-Hr Ozone (1997) San Joaquin Valley, CA - (Extreme)
1-Hr Ozone (1979) San Joaquin Valley, CA - (Extreme)
8-Hr Ozone (2008) San Joaquin Valley, CA - (Extreme)
 
Imperial Co
8-Hr Ozone (1997) Imperial Co, CA - (Moderate)
1-Hr Ozone (1979) Imperial Co, CA - (Section 185A)
8-Hr Ozone (2008) Imperial County, CA - (Marginal)
 
Kern Co
8-Hr Ozone (1997) * Kern Co (Eastern Kern), CA - (Moderate)
8-Hr Ozone (1997) * San Joaquin Valley, CA - (Extreme)
1-Hr Ozone (1979) * East Kern Co, CA - (Serious)
1-Hr Ozone (1979) * San Joaquin Valley, CA - (Extreme)
8-Hr Ozone (2008) * Kern Co (Eastern Kern), CA - (Marginal)
8-Hr Ozone (2008) * San Joaquin Valley, CA - (Extreme)
 
Kings Co
8-Hr Ozone (1997) San Joaquin Valley, CA - (Extreme)
1-Hr Ozone (1979) San Joaquin Valley, CA - (Extreme)
8-Hr Ozone (2008) San Joaquin Valley, CA - (Extreme)
 
Los Angeles Co
8-Hr Ozone (1997) * Los Angeles-San Bernardino Cos. (W Mojave Desert), CA - (Severe 15)
8-Hr Ozone (1997) * Los Angeles-South Coast Air Basin, CA - (Extreme)
1-Hr Ozone (1979) * Los Angeles-South Coast Air Basin, CA - (Extreme)
1-Hr Ozone (1979) * Southeast Desert Modified AQMA, CA - (Severe 17)
8-Hr Ozone (2008) * Los Angeles-San Bernardino Counties (West Mojave Desert), CA - (Severe 15)
8-Hr Ozone (2008) * Los Angeles-South Coast Air Basin, CA - (Extreme)
 
Madera Co
8-Hr Ozone (1997) San Joaquin Valley, CA - (Extreme)
1-Hr Ozone (1979) San Joaquin Valley, CA - (Extreme)
8-Hr Ozone (2008) San Joaquin Valley, CA - (Extreme)
 
Marin Co
8-Hr Ozone (1997) San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) San Francisco Bay Area, CA - (Marginal)
 
Mariposa Co
8-Hr Ozone (1997) Mariposa and Tuolumne Cos (Southern Mtn), CA - (Moderate)
8-Hr Ozone (2008) Mariposa County, CA - (Marginal)
 
Merced Co
8-Hr Ozone (1997) San Joaquin Valley, CA - (Extreme)
1-Hr Ozone (1979) San Joaquin Valley, CA - (Extreme)
8-Hr Ozone (2008) San Joaquin Valley, CA - (Extreme)
 
Monterey Co
1-Hr Ozone (1979) Monterey Bay, CA - (Moderate)
 
Morongo Band of Mission Indians
8-Hr Ozone (1997) Morongo Band of Mission Indians - (Severe 17)
1-Hr Ozone (1979) Morongo Band of Mission Indians - (Severe 17)
8-Hr Ozone (2008) Morongo Band of Mission Indians - (Serious)
 
Napa Co
8-Hr Ozone (1997) San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) San Francisco Bay Area, CA - (Marginal)
 
Nevada Co
8-Hr Ozone (1997) * Nevada Co. (Western part), CA - (Moderate)
8-Hr Ozone (2008) * Nevada Co. (Western part), CA - (Marginal)
 
Orange Co
8-Hr Ozone (1997) Los Angeles-South Coast Air Basin, CA - (Extreme)
1-Hr Ozone (1979) Los Angeles-South Coast Air Basin, CA - (Extreme)
8-Hr Ozone (2008) Los Angeles-South Coast Air Basin, CA - (Extreme)
 
Pechanga Band of Luiseno Mission Indians
8-Hr Ozone (2008) Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation - (Moderate)
 
Placer Co
8-Hr Ozone (1997) * Sacramento Metro, CA - (Severe 15)
1-Hr Ozone (1979) * Sacramento Metro, CA - (Severe 15)
8-Hr Ozone (2008) * Sacramento Metro, CA - (Severe 15)
 
Riverside Co
8-Hr Ozone (1997) * Los Angeles-South Coast Air Basin, CA - (Extreme)
8-Hr Ozone (1997) * Riverside Co. (Coachella Valley), CA - (Severe 15)
1-Hr Ozone (1979) * Los Angeles-South Coast Air Basin, CA - (Extreme)
1-Hr Ozone (1979) * Southeast Desert Modified AQMA, CA - (Severe 17)
8-Hr Ozone (2008) * Los Angeles-South Coast Air Basin, CA - (Extreme)
8-Hr Ozone (2008) * Riverside Co, (Coachella Valley), CA - (Severe 15)
 
Sacramento Co
8-Hr Ozone (1997) Sacramento Metro, CA - (Severe 15)
1-Hr Ozone (1979) Sacramento Metro, CA - (Severe 15)
8-Hr Ozone (2008) Sacramento Metro, CA - (Severe 15)
 
San Benito Co
1-Hr Ozone (1979) Monterey Bay, CA - (Moderate)
 
San Bernardino Co
8-Hr Ozone (1997) * Los Angeles-San Bernardino Cos. (W Mojave Desert), CA - (Severe 15)
8-Hr Ozone (1997) * Los Angeles-South Coast Air Basin, CA - (Extreme)
1-Hr Ozone (1979) * Los Angeles-South Coast Air Basin, CA - (Extreme)
1-Hr Ozone (1979) * Southeast Desert Modified AQMA, CA - (Severe 17)
8-Hr Ozone (2008) * Los Angeles-San Bernardino Counties (West Mojave Desert), CA - (Severe 15)
8-Hr Ozone (2008) * Los Angeles-South Coast Air Basin, CA - (Extreme)
 
San Diego Co
8-Hr Ozone (1997) * San Diego, CA - (Moderate)
1-Hr Ozone (1979) San Diego, CA - (Serious)
8-Hr Ozone (2008) * San Diego County, CA - (Marginal)
 
San Francisco Co
8-Hr Ozone (1997) San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) San Francisco Bay Area, CA - (Marginal)
 
San Joaquin Co
8-Hr Ozone (1997) San Joaquin Valley, CA - (Extreme)
1-Hr Ozone (1979) San Joaquin Valley, CA - (Extreme)
8-Hr Ozone (2008) San Joaquin Valley, CA - (Extreme)
 
San Luis Obispo Co
8-Hr Ozone (2008) * San Luis Obispo (Eastern San Luis Obispo), CA - (Marginal)
 
San Mateo Co
8-Hr Ozone (1997) San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) San Francisco Bay Area, CA - (Marginal)
 
Santa Barbara Co
1-Hr Ozone (1979) Santa Barbara-Santa Maria-Lompoc, CA - (Serious)
 
Santa Clara Co
8-Hr Ozone (1997) San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) San Francisco Bay Area, CA - (Marginal)
 
Santa Cruz Co
1-Hr Ozone (1979) Monterey Bay, CA - (Moderate)
 
Solano Co
8-Hr Ozone (1997) * Sacramento Metro, CA - (Severe 15)
8-Hr Ozone (1997) * San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) * Sacramento Metro, CA - (Severe 15)
1-Hr Ozone (1979) * San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) * Sacramento Metro, CA - (Severe 15)
8-Hr Ozone (2008) * San Francisco Bay Area, CA - (Marginal)
 
Sonoma Co
8-Hr Ozone (1997) * San Francisco Bay Area, CA - (Marginal)
1-Hr Ozone (1979) * San Francisco Bay Area, CA - (Other)
8-Hr Ozone (2008) * San Francisco Bay Area, CA - (Marginal)
 
Stanislaus Co
8-Hr Ozone (1997) San Joaquin Valley, CA - (Extreme)
1-Hr Ozone (1979) San Joaquin Valley, CA - (Extreme)
8-Hr Ozone (2008) San Joaquin Valley, CA - (Extreme)
 
Sutter Co
8-Hr Ozone (1997) * Sacramento Metro, CA - (Severe 15)
8-Hr Ozone (1997) * Sutter Co (Sutter Buttes), CA - (Marginal)
1-Hr Ozone (1979) * Sacramento Metro, CA - (Severe 15)
1-Hr Ozone (1979) * Yuba City, CA - (Section 185A)
8-Hr Ozone (2008) * Sacramento Metro, CA - (Severe 15)
 
Tehama Co
8-Hr Ozone (2008) * Tuscan Buttes, CA - (Marginal)
 
Tulare Co
8-Hr Ozone (1997) San Joaquin Valley, CA - (Extreme)
1-Hr Ozone (1979) San Joaquin Valley, CA - (Extreme)
8-Hr Ozone (2008) San Joaquin Valley, CA - (Extreme)
 
Tuolumne Co
8-Hr Ozone (1997) Mariposa and Tuolumne Cos (Southern Mtn), CA - (Moderate)
 
Ventura Co
8-Hr Ozone (1997) * Ventura Co, CA - (Serious)
1-Hr Ozone (1979) Ventura Co, CA - (Severe 15)
8-Hr Ozone (2008) * Ventura County, CA - (Serious)
 
Yolo Co
8-Hr Ozone (1997) Sacramento Metro, CA - (Severe 15)
1-Hr Ozone (1979) Sacramento Metro, CA - (Severe 15)
8-Hr Ozone (2008) Sacramento Metro, CA - (Severe 15)
 
Yuba Co
1-Hr Ozone (1979) Yuba City, CA - (Section 185A)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

COLORADO
 
Adams Co
8-Hr Ozone (1997) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
1-Hr Ozone (1979) * Denver-Boulder, CO - (Section 185A)
8-Hr Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
 
Arapahoe Co
8-Hr Ozone (1997) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
1-Hr Ozone (1979) * Denver-Boulder, CO - (Section 185A)
8-Hr Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
 
Boulder Co
8-Hr Ozone (1997) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
1-Hr Ozone (1979) * Denver-Boulder, CO - (Section 185A)
8-Hr Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
 
Broomfield Co
8-Hr Ozone (1997) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
1-Hr Ozone (1979) Denver-Boulder, CO - (Section 185A)
8-Hr Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
 
Denver Co
8-Hr Ozone (1997) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
1-Hr Ozone (1979) Denver-Boulder, CO - (Section 185A)
8-Hr Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
 
Douglas Co
8-Hr Ozone (1997) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
1-Hr Ozone (1979) Denver-Boulder, CO - (Section 185A)
8-Hr Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
 
Jefferson Co
8-Hr Ozone (1997) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
1-Hr Ozone (1979) Denver-Boulder, CO - (Section 185A)
8-Hr Ozone (2008) Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
 
Larimer Co
8-Hr Ozone (1997) * Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
8-Hr Ozone (2008) * Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
 
Weld Co
8-Hr Ozone (1997) * Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)
8-Hr Ozone (2008) * Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

CONNECTICUT
 
Fairfield Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) * Greater Connecticut, CT - (Serious)
1-Hr Ozone (1979) * New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Hartford Co
8-Hr Ozone (1997) Greater Connecticut, CT - (Moderate)
1-Hr Ozone (1979) Greater Connecticut, CT - (Serious)
8-Hr Ozone (2008) Greater Connecticut, CT - (Marginal)
 
Litchfield Co
8-Hr Ozone (1997) Greater Connecticut, CT - (Moderate)
1-Hr Ozone (1979) * Greater Connecticut, CT - (Serious)
1-Hr Ozone (1979) * New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) Greater Connecticut, CT - (Marginal)
 
Middlesex Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) Greater Connecticut, CT - (Serious)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
New Haven Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) Greater Connecticut, CT - (Serious)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
New London Co
8-Hr Ozone (1997) Greater Connecticut, CT - (Moderate)
1-Hr Ozone (1979) Greater Connecticut, CT - (Serious)
8-Hr Ozone (2008) Greater Connecticut, CT - (Marginal)
 
Tolland Co
8-Hr Ozone (1997) Greater Connecticut, CT - (Moderate)
1-Hr Ozone (1979) Greater Connecticut, CT - (Serious)
8-Hr Ozone (2008) Greater Connecticut, CT - (Marginal)
 
Windham Co
8-Hr Ozone (1997) Greater Connecticut, CT - (Moderate)
1-Hr Ozone (1979) Greater Connecticut, CT - (Serious)
8-Hr Ozone (2008) Greater Connecticut, CT - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

DELAWARE
 
Kent Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
 
New Castle Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Sussex Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Sussex Co, DE - (Marginal)
8-Hr Ozone (2008) Seaford, DE - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

DISTRICT OF COLUMBIA
 
Entire District
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

FLORIDA
 
Broward Co
1-Hr Ozone (1979) Miami-Fort Lauderdale-W. Palm Beach, FL - (Moderate)
 
Duval Co
1-Hr Ozone (1979) Jacksonville, FL - (Section 185A)
 
Hillsborough Co
1-Hr Ozone (1979) Tampa-St. Petersburg-Clearwater, FL - (Marginal)
 
Miami-Dade Co
1-Hr Ozone (1979) Miami-Fort Lauderdale-W. Palm Beach, FL - (Moderate)
 
Palm Beach Co
1-Hr Ozone (1979) Miami-Fort Lauderdale-W. Palm Beach, FL - (Moderate)
 
Pinellas Co
1-Hr Ozone (1979) Tampa-St. Petersburg-Clearwater, FL - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

GEORGIA
 
Barrow Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
 
Bartow Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Bibb Co
8-Hr Ozone (1997) Macon, GA - (Former Subpart 1)
 
Carroll Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
 
Cherokee Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Clayton Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Cobb Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Coweta Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
De Kalb Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Douglas Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Fayette Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Forsyth Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Fulton Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Gwinnett Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Hall Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
 
Henry Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Monroe Co
8-Hr Ozone (1997) * Macon, GA - (Former Subpart 1)
 
Murray Co
8-Hr Ozone (1997) * Murray Co (Chattahoochee Nat Forest), GA - (Former Subpart 1)
 
Newton Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Paulding Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Rockdale Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
1-Hr Ozone (1979) Atlanta, GA - (Severe 15)
8-Hr Ozone (2008) Atlanta, GA - (Marginal)
 
Spalding Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)
 
Walton Co
8-Hr Ozone (1997) Atlanta, GA - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

ILLINOIS
 
Cook Co
8-Hr Ozone (1997) Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) Chicago-Naperville, IL-IN-WI - (Marginal)
 
Du Page Co
8-Hr Ozone (1997) Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) Chicago-Naperville, IL-IN-WI - (Marginal)
 
Grundy Co
8-Hr Ozone (1997) * Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) * Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) * Chicago-Naperville, IL-IN-WI - (Marginal)
 
Jersey Co
8-Hr Ozone (1997) St Louis, MO-IL (IL portion) - (Moderate)
1-Hr Ozone (1979) Jersey Co, IL - (Marginal)
 
Kane Co
8-Hr Ozone (1997) Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) Chicago-Naperville, IL-IN-WI - (Marginal)
 
Kendall Co
8-Hr Ozone (1997) * Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) * Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) * Chicago-Naperville, IL-IN-WI - (Marginal)
 
Lake Co
8-Hr Ozone (1997) Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) Chicago-Naperville, IL-IN-WI - (Marginal)
 
Madison Co
8-Hr Ozone (1997) St Louis, MO-IL (IL portion) - (Moderate)
1-Hr Ozone (1979) St. Louis, MO-IL - (Serious)
8-Hr Ozone (2008) St. Louis-St. Charles-Farmington, MO-IL - (Marginal)
 
Mc Henry Co
8-Hr Ozone (1997) Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) Chicago-Naperville, IL-IN-WI - (Marginal)
 
Monroe Co
8-Hr Ozone (1997) St Louis, MO-IL (IL portion) - (Moderate)
1-Hr Ozone (1979) St. Louis, MO-IL - (Serious)
8-Hr Ozone (2008) St. Louis-St. Charles-Farmington, MO-IL - (Marginal)
 
St Clair Co
8-Hr Ozone (1997) St Louis, MO-IL (IL portion) - (Moderate)
1-Hr Ozone (1979) St. Louis, MO-IL - (Serious)
8-Hr Ozone (2008) St. Louis-St. Charles-Farmington, MO-IL - (Marginal)
 
Will Co
8-Hr Ozone (1997) Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) Chicago-Naperville, IL-IN-WI - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

INDIANA
 
Allen Co
8-Hr Ozone (1997) Fort Wayne, IN - (Former Subpart 1)
 
Boone Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
 
Clark Co
8-Hr Ozone (1997) Louisville, KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Louisville, KY-IN - (Moderate)
 
Dearborn Co
8-Hr Ozone (1997) * Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
8-Hr Ozone (2008) * Cincinnati, OH-KY-IN - (Marginal)
 
Delaware Co
8-Hr Ozone (1997) Muncie, IN - (Former Subpart 1)
 
Elkhart Co
8-Hr Ozone (1997) South Bend-Elkhart, IN - (Former Subpart 1)
1-Hr Ozone (1979) South Bend-Elkhart, IN - (Marginal)
 
Floyd Co
8-Hr Ozone (1997) Louisville, KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Louisville, KY-IN - (Moderate)
 
Greene Co
8-Hr Ozone (1997) Greene Co, IN - (Former Subpart 1)
 
Hamilton Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
 
Hancock Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
 
Hendricks Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
 
Jackson Co
8-Hr Ozone (1997) Jackson Co, IN - (Former Subpart 1)
 
Johnson Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
 
La Porte Co
8-Hr Ozone (1997) La Porte Co., IN - (Marginal)
 
Lake Co
8-Hr Ozone (1997) Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) Chicago-Naperville, IL-IN-WI - (Marginal)
 
Madison Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
 
Marion Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
1-Hr Ozone (1979) Indianapolis, IN - (Marginal)
 
Morgan Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
 
Porter Co
8-Hr Ozone (1997) Chicago-Gary-Lake County, IL-IN - (Moderate)
1-Hr Ozone (1979) Chicago-Gary-Lake County, IL-IN - (Severe 17)
8-Hr Ozone (2008) Chicago-Naperville, IL-IN-WI - (Marginal)
 
Shelby Co
8-Hr Ozone (1997) Indianapolis, IN - (Former Subpart 1)
 
St Joseph Co
8-Hr Ozone (1997) South Bend-Elkhart, IN - (Former Subpart 1)
1-Hr Ozone (1979) South Bend-Elkhart, IN - (Marginal)
 
Vanderburgh Co
8-Hr Ozone (1997) Evansville, IN - (Former Subpart 1)
1-Hr Ozone (1979) Evansville, IN - (Marginal)
 
Vigo Co
8-Hr Ozone (1997) Terre Haute, IN - (Former Subpart 1)
 
Warrick Co
8-Hr Ozone (1997) Evansville, IN - (Former Subpart 1)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

KANSAS
 
Johnson Co
1-Hr Ozone (1979) Kansas City, MO-KS - (Other)
 
Wyandotte Co
1-Hr Ozone (1979) Kansas City, MO-KS - (Other)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

KENTUCKY
 
Boone Co
8-Hr Ozone (1997) Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Cincinnati-Hamilton, OH-KY - (Moderate)
8-Hr Ozone (2008) * Cincinnati, OH-KY-IN - (Marginal)
 
Boyd Co
8-Hr Ozone (1997) Huntington-Ashland, WV-KY - (Former Subpart 1)
1-Hr Ozone (1979) Huntington-Ashland, WV-KY - (Moderate*)
 
Bullitt Co
8-Hr Ozone (1997) Louisville, KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) * Louisville, KY-IN - (Moderate)
 
Campbell Co
8-Hr Ozone (1997) Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Cincinnati-Hamilton, OH-KY - (Moderate)
8-Hr Ozone (2008) * Cincinnati, OH-KY-IN - (Marginal)
 
Christian Co
8-Hr Ozone (1997) Clarksville-Hopkinsville, TN-KY - (Former Subpart 1)
 
Daviess Co
1-Hr Ozone (1979) Owensboro, KY - (Marginal)
 
Edmonson Co
1-Hr Ozone (1979) Edmonson Co, KY - (Marginal RT)
 
Fayette Co
1-Hr Ozone (1979) Lexington-Fayette, KY - (Marginal)
 
Greenup Co
1-Hr Ozone (1979) * Huntington-Ashland, WV-KY - (Moderate*)
 
Hancock Co
1-Hr Ozone (1979) * Owensboro, KY - (Marginal)
 
Jefferson Co
8-Hr Ozone (1997) Louisville, KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Louisville, KY-IN - (Moderate)
 
Kenton Co
8-Hr Ozone (1997) Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Cincinnati-Hamilton, OH-KY - (Moderate)
8-Hr Ozone (2008) * Cincinnati, OH-KY-IN - (Marginal)
 
Livingston Co
1-Hr Ozone (1979) * Paducah, KY - (Marginal)
 
Marshall Co
1-Hr Ozone (1979) Paducah, KY - (Marginal)
 
Oldham Co
8-Hr Ozone (1997) Louisville, KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) * Louisville, KY-IN - (Moderate)
 
Scott Co
1-Hr Ozone (1979) Lexington-Fayette, KY - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

LOUISIANA
 
Ascension Par
8-Hr Ozone (1997) Baton Rouge, LA - (Moderate)
1-Hr Ozone (1979) Baton Rouge, LA - (Severe 15)
8-Hr Ozone (2008) Baton Rouge, LA - (Marginal)
 
Beauregard Par
1-Hr Ozone (1979) Beauregard Par, LA - (Incomplete Data)
 
Calcasieu Par
1-Hr Ozone (1979) Lake Charles, LA - (Marginal)
 
East Baton Rouge Par
8-Hr Ozone (1997) Baton Rouge, LA - (Moderate)
1-Hr Ozone (1979) Baton Rouge, LA - (Severe 15)
8-Hr Ozone (2008) Baton Rouge, LA - (Marginal)
 
Grant Par
1-Hr Ozone (1979) Grant Par, LA - (Incomplete Data)
 
Iberville Par
8-Hr Ozone (1997) Baton Rouge, LA - (Moderate)
1-Hr Ozone (1979) Baton Rouge, LA - (Severe 15)
8-Hr Ozone (2008) Baton Rouge, LA - (Marginal)
 
Jefferson Par
1-Hr Ozone (1979) New Orleans, LA - (Section 185A)
 
Lafayette Par
1-Hr Ozone (1979) Lafayette, LA - (Section 185A)
 
Lafourche Par
1-Hr Ozone (1979) LaFourche Par, LA - (Incomplete Data)
 
Livingston Par
8-Hr Ozone (1997) Baton Rouge, LA - (Moderate)
1-Hr Ozone (1979) Baton Rouge, LA - (Severe 15)
8-Hr Ozone (2008) Baton Rouge, LA - (Marginal)
 
Orleans Par
1-Hr Ozone (1979) New Orleans, LA - (Section 185A)
 
Pointe Coupee Par
1-Hr Ozone (1979) Pointe Coupee Parish, LA - (Marginal)
 
St Bernard Par
1-Hr Ozone (1979) New Orleans, LA - (Section 185A)
 
St Charles Par
1-Hr Ozone (1979) New Orleans, LA - (Section 185A)
 
St James Par
1-Hr Ozone (1979) St James Par, LA - (Incomplete Data)
 
St Mary Par
1-Hr Ozone (1979) St Mary Par, LA - (Incomplete Data)
 
West Baton Rouge Par
8-Hr Ozone (1997) Baton Rouge, LA - (Moderate)
1-Hr Ozone (1979) Baton Rouge, LA - (Severe 15)
8-Hr Ozone (2008) Baton Rouge, LA - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

MAINE
 
Androscoggin Co
8-Hr Ozone (1997) * Portland, ME - (Marginal)
1-Hr Ozone (1979) Lewiston-Auburn, ME - (Moderate*)
 
Cumberland Co
8-Hr Ozone (1997) * Portland, ME - (Marginal)
1-Hr Ozone (1979) Portland, ME - (Moderate)
 
Hancock Co
8-Hr Ozone (1997) * Hancock, Knox, Lincoln and Waldo Cos, ME - (Former Subpart 1)
1-Hr Ozone (1979) Hancock & Waldo Cos, ME - (Marginal)
 
Kennebec Co
1-Hr Ozone (1979) Lewiston-Auburn, ME - (Moderate*)
 
Knox Co
8-Hr Ozone (1997) * Hancock, Knox, Lincoln and Waldo Cos, ME - (Former Subpart 1)
1-Hr Ozone (1979) Knox & Lincoln Co.s, ME - (Moderate*)
 
Lincoln Co
8-Hr Ozone (1997) * Hancock, Knox, Lincoln and Waldo Cos, ME - (Former Subpart 1)
1-Hr Ozone (1979) Knox & Lincoln Co.s, ME - (Moderate*)
 
Sagadahoc Co
8-Hr Ozone (1997) Portland, ME - (Marginal)
1-Hr Ozone (1979) Portland, ME - (Moderate)
 
Waldo Co
8-Hr Ozone (1997) * Hancock, Knox, Lincoln and Waldo Cos, ME - (Former Subpart 1)
1-Hr Ozone (1979) Hancock & Waldo Cos, ME - (Marginal)
 
York Co
8-Hr Ozone (1997) * Portland, ME - (Marginal)
1-Hr Ozone (1979) Portland, ME - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

MARYLAND
 
Anne Arundel Co
8-Hr Ozone (1997) Baltimore, MD - (Serious)
1-Hr Ozone (1979) Baltimore, MD - (Severe 15)
8-Hr Ozone (2008) Baltimore, MD - (Moderate)
 
Baltimore (City)
8-Hr Ozone (1997) Baltimore, MD - (Serious)
1-Hr Ozone (1979) Baltimore, MD - (Severe 15)
8-Hr Ozone (2008) Baltimore, MD - (Moderate)
 
Baltimore Co
8-Hr Ozone (1997) Baltimore, MD - (Serious)
1-Hr Ozone (1979) Baltimore, MD - (Severe 15)
8-Hr Ozone (2008) Baltimore, MD - (Moderate)
 
Calvert Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Carroll Co
8-Hr Ozone (1997) Baltimore, MD - (Serious)
1-Hr Ozone (1979) Baltimore, MD - (Severe 15)
8-Hr Ozone (2008) Baltimore, MD - (Moderate)
 
Cecil Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Charles Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Frederick Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Harford Co
8-Hr Ozone (1997) Baltimore, MD - (Serious)
1-Hr Ozone (1979) Baltimore, MD - (Severe 15)
8-Hr Ozone (2008) Baltimore, MD - (Moderate)
 
Howard Co
8-Hr Ozone (1997) Baltimore, MD - (Serious)
1-Hr Ozone (1979) Baltimore, MD - (Severe 15)
8-Hr Ozone (2008) Baltimore, MD - (Moderate)
 
Kent Co
8-Hr Ozone (1997) Kent and Queen Anne's Cos, MD - (Marginal)
1-Hr Ozone (1979) Kent and Queen Anne's Co.s, MD - (Marginal)
 
Montgomery Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Prince George's Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Queen Annes Co
8-Hr Ozone (1997) Kent and Queen Anne's Cos, MD - (Marginal)
1-Hr Ozone (1979) Kent and Queen Anne's Co.s, MD - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

MASSACHUSETTS
 
Barnstable Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
 
Berkshire Co
8-Hr Ozone (1997) Springfield (W. Mass), MA - (Moderate)
1-Hr Ozone (1979) Springfield (Western MA), MA - (Serious)
 
Bristol Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
 
Dukes Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
8-Hr Ozone (2008) Dukes County, MA - (Marginal)
 
Essex Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
 
Franklin Co
8-Hr Ozone (1997) Springfield (W. Mass), MA - (Moderate)
1-Hr Ozone (1979) Springfield (Western MA), MA - (Serious)
 
Hampden Co
8-Hr Ozone (1997) Springfield (W. Mass), MA - (Moderate)
1-Hr Ozone (1979) Springfield (Western MA), MA - (Serious)
 
Hampshire Co
8-Hr Ozone (1997) Springfield (W. Mass), MA - (Moderate)
1-Hr Ozone (1979) Springfield (Western MA), MA - (Serious)
 
Middlesex Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
 
Nantucket Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
 
Norfolk Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
 
Plymouth Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
 
Suffolk Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
 
Worcester Co
8-Hr Ozone (1997) Boston-Lawrence-Worcester (E. Mass), MA - (Moderate)
1-Hr Ozone (1979) Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

MICHIGAN
 
Allegan Co
8-Hr Ozone (1997) Allegan Co, MI - (Former Subpart 1)
1-Hr Ozone (1979) Allegan Co, MI - (Incomplete Data)
 
Bay Co
1-Hr Ozone (1979) Saginaw-Bay City-Midland, MI - (Incomplete Data)
 
Benzie Co
8-Hr Ozone (1997) Benzie Co, MI - (Former Subpart 1)
 
Berrien Co
8-Hr Ozone (1997) Benton Harbor, MI - (Former Subpart 1)
 
Calhoun Co
8-Hr Ozone (1997) Kalamazoo-Battle Creek, MI - (Former Subpart 1)
 
Cass Co
8-Hr Ozone (1997) Cass Co, MI - (Marginal)
 
Clinton Co
8-Hr Ozone (1997) Lansing-East Lansing, MI - (Former Subpart 1)
 
Eaton Co
8-Hr Ozone (1997) Lansing-East Lansing, MI - (Former Subpart 1)
 
Genesee Co
8-Hr Ozone (1997) Flint, MI - (Former Subpart 1)
1-Hr Ozone (1979) Flint, MI - (Section 185A)
 
Huron Co
8-Hr Ozone (1997) Huron Co, MI - (Former Subpart 1)
 
Ingham Co
8-Hr Ozone (1997) Lansing-East Lansing, MI - (Former Subpart 1)
 
Kalamazoo Co
8-Hr Ozone (1997) Kalamazoo-Battle Creek, MI - (Former Subpart 1)
 
Kent Co
8-Hr Ozone (1997) Grand Rapids, MI - (Former Subpart 1)
1-Hr Ozone (1979) Grand Rapids, MI - (Moderate)
 
Lapeer Co
8-Hr Ozone (1997) Flint, MI - (Former Subpart 1)
 
Lenawee Co
8-Hr Ozone (1997) Detroit-Ann Arbor, MI - (Marginal)
 
Livingston Co
8-Hr Ozone (1997) Detroit-Ann Arbor, MI - (Marginal)
1-Hr Ozone (1979) Detroit-Ann Arbor, MI - (Moderate)
 
Macomb Co
8-Hr Ozone (1997) Detroit-Ann Arbor, MI - (Marginal)
1-Hr Ozone (1979) Detroit-Ann Arbor, MI - (Moderate)
 
Mason Co
8-Hr Ozone (1997) Mason Co, MI - (Former Subpart 1)
 
Midland Co
1-Hr Ozone (1979) Saginaw-Bay City-Midland, MI - (Incomplete Data)
 
Monroe Co
8-Hr Ozone (1997) Detroit-Ann Arbor, MI - (Marginal)
1-Hr Ozone (1979) Detroit-Ann Arbor, MI - (Moderate)
 
Muskegon Co
8-Hr Ozone (1997) Muskegon, MI - (Marginal)
1-Hr Ozone (1979) Muskegon, MI - (Moderate)
 
Oakland Co
8-Hr Ozone (1997) Detroit-Ann Arbor, MI - (Marginal)
1-Hr Ozone (1979) Detroit-Ann Arbor, MI - (Moderate)
 
Ottawa Co
8-Hr Ozone (1997) Grand Rapids, MI - (Former Subpart 1)
1-Hr Ozone (1979) Grand Rapids, MI - (Moderate)
 
Saginaw Co
1-Hr Ozone (1979) Saginaw-Bay City-Midland, MI - (Incomplete Data)
 
St Clair Co
8-Hr Ozone (1997) Detroit-Ann Arbor, MI - (Marginal)
1-Hr Ozone (1979) Detroit-Ann Arbor, MI - (Moderate)
 
Van Buren Co
8-Hr Ozone (1997) Kalamazoo-Battle Creek, MI - (Former Subpart 1)
 
Washtenaw Co
8-Hr Ozone (1997) Detroit-Ann Arbor, MI - (Marginal)
1-Hr Ozone (1979) Detroit-Ann Arbor, MI - (Moderate)
 
Wayne Co
8-Hr Ozone (1997) Detroit-Ann Arbor, MI - (Marginal)
1-Hr Ozone (1979) Detroit-Ann Arbor, MI - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

MISSISSIPPI
 
De Soto Co
8-Hr Ozone (2008) * Memphis, TN-MS-AR - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

MISSOURI
 
Clay Co
1-Hr Ozone (1979) Kansas City, MO-KS - (Other)
 
Franklin Co
8-Hr Ozone (1997) St Louis, MO-IL (MO portion) - (Moderate)
1-Hr Ozone (1979) St. Louis, MO-IL - (Serious)
8-Hr Ozone (2008) St. Louis-St. Charles-Farmington, MO-IL - (Marginal)
 
Jackson Co
1-Hr Ozone (1979) Kansas City, MO-KS - (Other)
 
Jefferson Co
8-Hr Ozone (1997) St Louis, MO-IL (MO portion) - (Moderate)
1-Hr Ozone (1979) St. Louis, MO-IL - (Serious)
8-Hr Ozone (2008) St. Louis-St. Charles-Farmington, MO-IL - (Marginal)
 
Platte Co
1-Hr Ozone (1979) Kansas City, MO-KS - (Other)
 
St Charles Co
8-Hr Ozone (1997) St Louis, MO-IL (MO portion) - (Moderate)
1-Hr Ozone (1979) St. Louis, MO-IL - (Serious)
8-Hr Ozone (2008) St. Louis-St. Charles-Farmington, MO-IL - (Marginal)
 
St Louis
8-Hr Ozone (1997) St Louis, MO-IL (MO portion) - (Moderate)
1-Hr Ozone (1979) St. Louis, MO-IL - (Serious)
8-Hr Ozone (2008) St. Louis-St. Charles-Farmington, MO-IL - (Marginal)
 
St Louis Co
8-Hr Ozone (1997) St Louis, MO-IL (MO portion) - (Moderate)
1-Hr Ozone (1979) St. Louis, MO-IL - (Serious)
8-Hr Ozone (2008) St. Louis-St. Charles-Farmington, MO-IL - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

NEVADA
 
Clark Co
8-Hr Ozone (1997) * Las Vegas, NV - (Marginal)
 
Washoe Co
1-Hr Ozone (1979) Reno, NV - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

NEW HAMPSHIRE
 
Cheshire Co
1-Hr Ozone (1979) Cheshire Co, NH - (Incomplete Data)
 
Hillsborough Co
8-Hr Ozone (1997) * Boston-Manchester-Portsmouth (SE), NH - (Moderate)
1-Hr Ozone (1979) * Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
1-Hr Ozone (1979) * Manchester, NH - (Marginal)
 
Merrimack Co
8-Hr Ozone (1997) * Boston-Manchester-Portsmouth (SE), NH - (Moderate)
1-Hr Ozone (1979) Manchester, NH - (Marginal)
 
Rockingham Co
8-Hr Ozone (1997) * Boston-Manchester-Portsmouth (SE), NH - (Moderate)
1-Hr Ozone (1979) * Boston-Lawrence-Worcester (E. Mass), MA-NH - (Serious)
1-Hr Ozone (1979) * Manchester, NH - (Marginal)
1-Hr Ozone (1979) * Portsmouth-Dover-Rochester, NH - (Serious)
 
Strafford Co
8-Hr Ozone (1997) * Boston-Manchester-Portsmouth (SE), NH - (Moderate)
1-Hr Ozone (1979) Portsmouth-Dover-Rochester, NH - (Serious)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

NEW JERSEY
 
Atlantic Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Atlantic City, NJ - (Moderate)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Bergen Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Burlington Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Camden Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Cape May Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Atlantic City, NJ - (Moderate)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Cumberland Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Essex Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Gloucester Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Hudson Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Hunterdon Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Mercer Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Middlesex Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Monmouth Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Morris Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Ocean Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Passaic Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Salem Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Somerset Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Sussex Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Union Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Warren Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) Allentown-Bethlehem-Easton, PA-NJ - (Marginal)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

NEW MEXICO
 
Dona Ana Co
1-Hr Ozone (1979) * Sunland Park, NM (New Area 1995) - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

NEW YORK
 
Albany Co
8-Hr Ozone (1997) Albany-Schenectady-Troy, NY - (Marginal)
1-Hr Ozone (1979) Albany-Schenectady-Troy, NY - (Marginal)
 
Bronx Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Chautauqua Co
8-Hr Ozone (1997) Jamestown, NY - (Moderate)
8-Hr Ozone (2008) Jamestown, NY - (Marginal)
 
Dutchess Co
8-Hr Ozone (1997) Poughkeepsie, NY - (Moderate)
1-Hr Ozone (1979) Poughkeepsie, NY - (Moderate)
 
Erie Co
8-Hr Ozone (1997) Buffalo-Niagara Falls, NY - (Moderate)
1-Hr Ozone (1979) Buffalo-Niagara Falls, NY - (Marginal)
 
Essex Co
8-Hr Ozone (1997) * Essex Co (Whiteface Mtn), NY - (Marginal)
1-Hr Ozone (1979) * Essex Co, NY - (Marginal RT)
 
Genesee Co
8-Hr Ozone (1997) Rochester, NY - (Marginal)
 
Greene Co
8-Hr Ozone (1997) Albany-Schenectady-Troy, NY - (Marginal)
1-Hr Ozone (1979) Albany-Schenectady-Troy, NY - (Marginal)
 
Jefferson Co
8-Hr Ozone (1997) Jefferson Co, NY - (Moderate)
1-Hr Ozone (1979) Jefferson Co, NY - (Marginal*)
 
Kings Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Livingston Co
8-Hr Ozone (1997) Rochester, NY - (Marginal)
 
Monroe Co
8-Hr Ozone (1997) Rochester, NY - (Marginal)
 
Montgomery Co
8-Hr Ozone (1997) Albany-Schenectady-Troy, NY - (Marginal)
1-Hr Ozone (1979) Albany-Schenectady-Troy, NY - (Marginal)
 
Nassau Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
New York Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Niagara Co
8-Hr Ozone (1997) Buffalo-Niagara Falls, NY - (Moderate)
1-Hr Ozone (1979) Buffalo-Niagara Falls, NY - (Marginal)
 
Ontario Co
8-Hr Ozone (1997) Rochester, NY - (Marginal)
 
Orange Co
8-Hr Ozone (1997) Poughkeepsie, NY - (Moderate)
1-Hr Ozone (1979) * New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
1-Hr Ozone (1979) * Poughkeepsie, NY - (Moderate)
 
Orleans Co
8-Hr Ozone (1997) Rochester, NY - (Marginal)
 
Putnam Co
8-Hr Ozone (1997) Poughkeepsie, NY - (Moderate)
1-Hr Ozone (1979) Poughkeepsie, NY - (Moderate)
 
Queens Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Rensselaer Co
8-Hr Ozone (1997) Albany-Schenectady-Troy, NY - (Marginal)
1-Hr Ozone (1979) Albany-Schenectady-Troy, NY - (Marginal)
 
Richmond Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Rockland Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Saratoga Co
8-Hr Ozone (1997) Albany-Schenectady-Troy, NY - (Marginal)
1-Hr Ozone (1979) Albany-Schenectady-Troy, NY - (Marginal)
 
Schenectady Co
8-Hr Ozone (1997) Albany-Schenectady-Troy, NY - (Marginal)
1-Hr Ozone (1979) Albany-Schenectady-Troy, NY - (Marginal)
 
Schoharie Co
8-Hr Ozone (1997) Albany-Schenectady-Troy, NY - (Marginal)
 
Suffolk Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)
 
Wayne Co
8-Hr Ozone (1997) Rochester, NY - (Marginal)
 
Westchester Co
8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT - (Moderate)
1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 17)
8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

NORTH CAROLINA
 
Cabarrus Co
8-Hr Ozone (1997) Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
8-Hr Ozone (2008) * Charlotte-Rock Hill, NC-SC - (Marginal)
 
Chatham Co
8-Hr Ozone (1997) * Raleigh-Durham-Chapel Hill, NC - (Former Subpart 1)
 
Davidson Co
1-Hr Ozone (1979) Greensboro-Winston-Salem-High Point, NC - (Moderate)
 
Davie Co
1-Hr Ozone (1979) * Greensboro-Winston-Salem-High Point, NC - (Moderate)
 
Durham Co
8-Hr Ozone (1997) Raleigh-Durham-Chapel Hill, NC - (Former Subpart 1)
1-Hr Ozone (1979) Raleigh-Durham, NC - (Moderate)
 
Edgecombe Co
8-Hr Ozone (1997) Rocky Mount, NC - (Former Subpart 1)
 
Forsyth Co
1-Hr Ozone (1979) Greensboro-Winston-Salem-High Point, NC - (Moderate)
 
Franklin Co
8-Hr Ozone (1997) Raleigh-Durham-Chapel Hill, NC - (Former Subpart 1)
 
Gaston Co
8-Hr Ozone (1997) Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
1-Hr Ozone (1979) Charlotte-Gastonia, NC - (Moderate)
8-Hr Ozone (2008) * Charlotte-Rock Hill, NC-SC - (Marginal)
 
Granville Co
8-Hr Ozone (1997) Raleigh-Durham-Chapel Hill, NC - (Former Subpart 1)
1-Hr Ozone (1979) * Raleigh-Durham, NC - (Moderate)
 
Guilford Co
1-Hr Ozone (1979) Greensboro-Winston-Salem-High Point, NC - (Moderate)
 
Haywood Co
8-Hr Ozone (1997) * Haywood and Swain Cos (Great Smoky NP), NC - (Former Subpart 1)
 
Iredell Co
8-Hr Ozone (1997) * Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
8-Hr Ozone (2008) * Charlotte-Rock Hill, NC-SC - (Marginal)
 
Johnston Co
8-Hr Ozone (1997) Raleigh-Durham-Chapel Hill, NC - (Former Subpart 1)
 
Lincoln Co
8-Hr Ozone (1997) Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
8-Hr Ozone (2008) * Charlotte-Rock Hill, NC-SC - (Marginal)
 
Mecklenburg Co
8-Hr Ozone (1997) Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
1-Hr Ozone (1979) Charlotte-Gastonia, NC - (Moderate)
8-Hr Ozone (2008) Charlotte-Rock Hill, NC-SC - (Marginal)
 
Nash Co
8-Hr Ozone (1997) Rocky Mount, NC - (Former Subpart 1)
 
Orange Co
8-Hr Ozone (1997) Raleigh-Durham-Chapel Hill, NC - (Former Subpart 1)
 
Person Co
8-Hr Ozone (1997) Raleigh-Durham-Chapel Hill, NC - (Former Subpart 1)
 
Rowan Co
8-Hr Ozone (1997) Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
8-Hr Ozone (2008) * Charlotte-Rock Hill, NC-SC - (Marginal)
 
Swain Co
8-Hr Ozone (1997) * Haywood and Swain Cos (Great Smoky NP), NC - (Former Subpart 1)
 
Union Co
8-Hr Ozone (1997) Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
8-Hr Ozone (2008) * Charlotte-Rock Hill, NC-SC - (Marginal)
 
Wake Co
8-Hr Ozone (1997) Raleigh-Durham-Chapel Hill, NC - (Former Subpart 1)
1-Hr Ozone (1979) Raleigh-Durham, NC - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

OHIO
 
Allen Co
8-Hr Ozone (1997) Lima, OH - (Former Subpart 1)
 
Ashtabula Co
8-Hr Ozone (1997) Cleveland-Akron-Lorain, OH - (Moderate)
1-Hr Ozone (1979) Cleveland-Akron-Lorain, OH - (Moderate)
8-Hr Ozone (2008) Cleveland-Akron-Lorain, OH - (Marginal)
 
Belmont Co
8-Hr Ozone (1997) Wheeling, WV-OH - (Former Subpart 1)
 
Butler Co
8-Hr Ozone (1997) Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Cincinnati-Hamilton, OH-KY - (Moderate)
8-Hr Ozone (2008) Cincinnati, OH-KY-IN - (Marginal)
 
Clark Co
8-Hr Ozone (1997) Dayton-Springfield, OH - (Former Subpart 1)
1-Hr Ozone (1979) Dayton-Springfield, OH - (Moderate)
 
Clermont Co
8-Hr Ozone (1997) Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Cincinnati-Hamilton, OH-KY - (Moderate)
8-Hr Ozone (2008) Cincinnati, OH-KY-IN - (Marginal)
 
Clinton Co
8-Hr Ozone (1997) Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Clinton Co, OH - (Section 185A)
8-Hr Ozone (2008) Cincinnati, OH-KY-IN - (Marginal)
 
Columbiana Co
8-Hr Ozone (1997) Youngstown-Warren-Sharon, OH-PA - (Former Subpart 1)
1-Hr Ozone (1979) Columbiana Co, OH - (Incomplete Data)
 
Cuyahoga Co
8-Hr Ozone (1997) Cleveland-Akron-Lorain, OH - (Moderate)
1-Hr Ozone (1979) Cleveland-Akron-Lorain, OH - (Moderate)
8-Hr Ozone (2008) Cleveland-Akron-Lorain, OH - (Marginal)
 
Delaware Co
8-Hr Ozone (1997) Columbus, OH - (Former Subpart 1)
1-Hr Ozone (1979) Columbus, OH - (Marginal)
8-Hr Ozone (2008) Columbus, OH - (Marginal)
 
Fairfield Co
8-Hr Ozone (1997) Columbus, OH - (Former Subpart 1)
8-Hr Ozone (2008) Columbus, OH - (Marginal)
 
Franklin Co
8-Hr Ozone (1997) Columbus, OH - (Former Subpart 1)
1-Hr Ozone (1979) Columbus, OH - (Marginal)
8-Hr Ozone (2008) Columbus, OH - (Marginal)
 
Geauga Co
8-Hr Ozone (1997) Cleveland-Akron-Lorain, OH - (Moderate)
1-Hr Ozone (1979) Cleveland-Akron-Lorain, OH - (Moderate)
8-Hr Ozone (2008) Cleveland-Akron-Lorain, OH - (Marginal)
 
Greene Co
8-Hr Ozone (1997) Dayton-Springfield, OH - (Former Subpart 1)
1-Hr Ozone (1979) Dayton-Springfield, OH - (Moderate)
 
Hamilton Co
8-Hr Ozone (1997) Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Cincinnati-Hamilton, OH-KY - (Moderate)
8-Hr Ozone (2008) Cincinnati, OH-KY-IN - (Marginal)
 
Jefferson Co
8-Hr Ozone (1997) Steubenville-Weirton, OH-WV - (Former Subpart 1)
1-Hr Ozone (1979) Steubenville, OH - (Section 185A)
 
Knox Co
8-Hr Ozone (1997) Columbus, OH - (Former Subpart 1)
8-Hr Ozone (2008) Columbus, OH - (Marginal)
 
Lake Co
8-Hr Ozone (1997) Cleveland-Akron-Lorain, OH - (Moderate)
1-Hr Ozone (1979) Cleveland-Akron-Lorain, OH - (Moderate)
8-Hr Ozone (2008) Cleveland-Akron-Lorain, OH - (Marginal)
 
Licking Co
8-Hr Ozone (1997) Columbus, OH - (Former Subpart 1)
1-Hr Ozone (1979) Columbus, OH - (Marginal)
8-Hr Ozone (2008) Columbus, OH - (Marginal)
 
Lorain Co
8-Hr Ozone (1997) Cleveland-Akron-Lorain, OH - (Moderate)
1-Hr Ozone (1979) Cleveland-Akron-Lorain, OH - (Moderate)
8-Hr Ozone (2008) Cleveland-Akron-Lorain, OH - (Marginal)
 
Lucas Co
8-Hr Ozone (1997) Toledo, OH - (Former Subpart 1)
1-Hr Ozone (1979) Toledo, OH - (Moderate)
 
Madison Co
8-Hr Ozone (1997) Columbus, OH - (Former Subpart 1)
8-Hr Ozone (2008) Columbus, OH - (Marginal)
 
Mahoning Co
8-Hr Ozone (1997) Youngstown-Warren-Sharon, OH-PA - (Former Subpart 1)
1-Hr Ozone (1979) Youngstown-Warren-Sharon, OH-PA (OH portion) - (Marginal)
 
Medina Co
8-Hr Ozone (1997) Cleveland-Akron-Lorain, OH - (Moderate)
1-Hr Ozone (1979) Cleveland-Akron-Lorain, OH - (Moderate)
8-Hr Ozone (2008) Cleveland-Akron-Lorain, OH - (Marginal)
 
Miami Co
8-Hr Ozone (1997) Dayton-Springfield, OH - (Former Subpart 1)
1-Hr Ozone (1979) Dayton-Springfield, OH - (Moderate)
 
Montgomery Co
8-Hr Ozone (1997) Dayton-Springfield, OH - (Former Subpart 1)
1-Hr Ozone (1979) Dayton-Springfield, OH - (Moderate)
 
Portage Co
8-Hr Ozone (1997) Cleveland-Akron-Lorain, OH - (Moderate)
1-Hr Ozone (1979) Cleveland-Akron-Lorain, OH - (Moderate)
8-Hr Ozone (2008) Cleveland-Akron-Lorain, OH - (Marginal)
 
Preble Co
1-Hr Ozone (1979) Preble Co, OH - (Section 185A)
 
Stark Co
8-Hr Ozone (1997) Canton-Massillon, OH - (Former Subpart 1)
1-Hr Ozone (1979) Canton, OH - (Marginal)
 
Summit Co
8-Hr Ozone (1997) Cleveland-Akron-Lorain, OH - (Moderate)
1-Hr Ozone (1979) Cleveland-Akron-Lorain, OH - (Moderate)
8-Hr Ozone (2008) Cleveland-Akron-Lorain, OH - (Marginal)
 
Trumbull Co
8-Hr Ozone (1997) Youngstown-Warren-Sharon, OH-PA - (Former Subpart 1)
1-Hr Ozone (1979) Youngstown-Warren-Sharon, OH-PA (OH portion) - (Marginal)
 
Warren Co
8-Hr Ozone (1997) Cincinnati-Hamilton, OH-KY-IN - (Former Subpart 1)
1-Hr Ozone (1979) Cincinnati-Hamilton, OH-KY - (Moderate)
8-Hr Ozone (2008) Cincinnati, OH-KY-IN - (Marginal)
 
Washington Co
8-Hr Ozone (1997) Parkersburg-Marietta, WV-OH - (Former Subpart 1)
 
Wood Co
8-Hr Ozone (1997) Toledo, OH - (Former Subpart 1)
1-Hr Ozone (1979) Toledo, OH - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

OREGON
 
Clackamas Co
1-Hr Ozone (1979) * Portland-Vancouver AQMA, OR-WA - (Marginal)
 
Marion Co
1-Hr Ozone (1979) * Salem, OR - (Incomplete Data)
 
Multnomah Co
1-Hr Ozone (1979) * Portland-Vancouver AQMA, OR-WA - (Marginal)
 
Polk Co
1-Hr Ozone (1979) * Salem, OR - (Incomplete Data)
 
Washington Co
1-Hr Ozone (1979) * Portland-Vancouver AQMA, OR-WA - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

PENNSYLVANIA
 
Adams Co
8-Hr Ozone (1997) York, PA - (Former Subpart 1)
1-Hr Ozone (1979) York, PA - (Marginal)
 
Allegheny Co
8-Hr Ozone (1997) Pittsburgh-Beaver Valley, PA - (Moderate)
1-Hr Ozone (1979) Pittsburgh-Beaver Valley, PA - (Moderate)
8-Hr Ozone (2008) Pittsburgh-Beaver Valley, PA - (Marginal)
 
Armstrong Co
8-Hr Ozone (1997) Pittsburgh-Beaver Valley, PA - (Moderate)
1-Hr Ozone (1979) Pittsburgh-Beaver Valley, PA - (Moderate)
8-Hr Ozone (2008) Pittsburgh-Beaver Valley, PA - (Marginal)
 
Beaver Co
8-Hr Ozone (1997) Pittsburgh-Beaver Valley, PA - (Moderate)
1-Hr Ozone (1979) Pittsburgh-Beaver Valley, PA - (Moderate)
8-Hr Ozone (2008) Pittsburgh-Beaver Valley, PA - (Marginal)
 
Berks Co
8-Hr Ozone (1997) Reading, PA - (Former Subpart 1)
1-Hr Ozone (1979) Reading, PA - (Moderate)
8-Hr Ozone (2008) Reading, PA - (Marginal)
 
Blair Co
8-Hr Ozone (1997) Altoona, PA - (Former Subpart 1)
1-Hr Ozone (1979) Altoona, PA - (Marginal)
 
Bucks Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Butler Co
8-Hr Ozone (1997) Pittsburgh-Beaver Valley, PA - (Moderate)
1-Hr Ozone (1979) Pittsburgh-Beaver Valley, PA - (Moderate)
8-Hr Ozone (2008) Pittsburgh-Beaver Valley, PA - (Marginal)
 
Cambria Co
8-Hr Ozone (1997) Johnstown, PA - (Former Subpart 1)
1-Hr Ozone (1979) Johnstown, PA - (Marginal)
 
Carbon Co
8-Hr Ozone (1997) Allentown-Bethlehem-Easton, PA - (Former Subpart 1)
1-Hr Ozone (1979) Allentown-Bethlehem-Easton, PA-NJ - (Marginal)
8-Hr Ozone (2008) Allentown-Bethlehem-Easton, PA - (Marginal)
 
Centre Co
8-Hr Ozone (1997) State College, PA - (Former Subpart 1)
 
Chester Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Clearfield Co
8-Hr Ozone (1997) Clearfield and Indiana Cos, PA - (Former Subpart 1)
 
Columbia Co
1-Hr Ozone (1979) Scranton-Wilkes-Barre, PA - (Marginal)
 
Crawford Co
1-Hr Ozone (1979) Crawford Co, PA - (Incomplete Data)
 
Cumberland Co
8-Hr Ozone (1997) Harrisburg-Lebanon-Carlisle, PA - (Former Subpart 1)
1-Hr Ozone (1979) Harrisburg-Lebanon-Carlisle, PA - (Marginal)
 
Dauphin Co
8-Hr Ozone (1997) Harrisburg-Lebanon-Carlisle, PA - (Former Subpart 1)
1-Hr Ozone (1979) Harrisburg-Lebanon-Carlisle, PA - (Marginal)
 
Delaware Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Erie Co
8-Hr Ozone (1997) Erie, PA - (Former Subpart 1)
1-Hr Ozone (1979) Erie, PA - (Marginal)
 
Fayette Co
8-Hr Ozone (1997) Pittsburgh-Beaver Valley, PA - (Moderate)
1-Hr Ozone (1979) Pittsburgh-Beaver Valley, PA - (Moderate)
8-Hr Ozone (2008) Pittsburgh-Beaver Valley, PA - (Marginal)
 
Franklin Co
8-Hr Ozone (1997) Franklin Co, PA - (Former Subpart 1)
1-Hr Ozone (1979) Franklin Co, PA - (Incomplete Data)
 
Greene Co
8-Hr Ozone (1997) Greene Co, PA - (Former Subpart 1)
1-Hr Ozone (1979) Greene Co, PA - (Incomplete Data)
 
Indiana Co
8-Hr Ozone (1997) Clearfield and Indiana Cos, PA - (Former Subpart 1)
 
Juniata Co
1-Hr Ozone (1979) Juniata Co, PA - (Incomplete Data)
 
Lackawanna Co
8-Hr Ozone (1997) Scranton-Wilkes-Barre, PA - (Former Subpart 1)
1-Hr Ozone (1979) Scranton-Wilkes-Barre, PA - (Marginal)
 
Lancaster Co
8-Hr Ozone (1997) Lancaster, PA - (Marginal)
1-Hr Ozone (1979) Lancaster, PA - (Marginal)
8-Hr Ozone (2008) Lancaster, PA - (Marginal)
 
Lawrence Co
1-Hr Ozone (1979) Lawrence Co, PA - (Incomplete Data)
 
Lebanon Co
8-Hr Ozone (1997) Harrisburg-Lebanon-Carlisle, PA - (Former Subpart 1)
1-Hr Ozone (1979) Harrisburg-Lebanon-Carlisle, PA - (Marginal)
 
Lehigh Co
8-Hr Ozone (1997) Allentown-Bethlehem-Easton, PA - (Former Subpart 1)
1-Hr Ozone (1979) Allentown-Bethlehem-Easton, PA-NJ - (Marginal)
8-Hr Ozone (2008) Allentown-Bethlehem-Easton, PA - (Marginal)
 
Luzerne Co
8-Hr Ozone (1997) Scranton-Wilkes-Barre, PA - (Former Subpart 1)
1-Hr Ozone (1979) Scranton-Wilkes-Barre, PA - (Marginal)
 
Mercer Co
8-Hr Ozone (1997) Youngstown-Warren-Sharon, OH-PA - (Former Subpart 1)
1-Hr Ozone (1979) Youngstown-Warren-Sharon, OH-PA (PA portion) - (Marginal)
 
Monroe Co
8-Hr Ozone (1997) Scranton-Wilkes-Barre, PA - (Former Subpart 1)
1-Hr Ozone (1979) Scranton-Wilkes-Barre, PA - (Marginal)
 
Montgomery Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Northampton Co
8-Hr Ozone (1997) Allentown-Bethlehem-Easton, PA - (Former Subpart 1)
1-Hr Ozone (1979) Allentown-Bethlehem-Easton, PA-NJ - (Marginal)
8-Hr Ozone (2008) Allentown-Bethlehem-Easton, PA - (Marginal)
 
Northumberland Co
1-Hr Ozone (1979) Northumberland Co, PA - (Incomplete Data)
 
Perry Co
8-Hr Ozone (1997) Harrisburg-Lebanon-Carlisle, PA - (Former Subpart 1)
1-Hr Ozone (1979) Harrisburg-Lebanon-Carlisle, PA - (Marginal)
 
Philadelphia Co
8-Hr Ozone (1997) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Moderate)
1-Hr Ozone (1979) Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD - (Severe 15)
8-Hr Ozone (2008) Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE - (Marginal)
 
Pike Co
1-Hr Ozone (1979) Pike Co, PA - (Incomplete Data)
 
Schuylkill Co
1-Hr Ozone (1979) Schuylkill Co, PA - (Incomplete Data)
 
Snyder Co
1-Hr Ozone (1979) Snyder Co, PA - (Incomplete Data)
 
Somerset Co
1-Hr Ozone (1979) Johnstown, PA - (Marginal)
 
Susquehanna Co
1-Hr Ozone (1979) Susquehanna Co, PA - (Incomplete Data)
 
Tioga Co
8-Hr Ozone (1997) Tioga Co, PA - (Former Subpart 1)
 
Warren Co
1-Hr Ozone (1979) Warren Co, PA - (Incomplete Data)
 
Washington Co
8-Hr Ozone (1997) Pittsburgh-Beaver Valley, PA - (Moderate)
1-Hr Ozone (1979) Pittsburgh-Beaver Valley, PA - (Moderate)
8-Hr Ozone (2008) Pittsburgh-Beaver Valley, PA - (Marginal)
 
Wayne Co
1-Hr Ozone (1979) Wayne Co, PA - (Incomplete Data)
 
Westmoreland Co
8-Hr Ozone (1997) Pittsburgh-Beaver Valley, PA - (Moderate)
1-Hr Ozone (1979) Pittsburgh-Beaver Valley, PA - (Moderate)
8-Hr Ozone (2008) Pittsburgh-Beaver Valley, PA - (Marginal)
 
Wyoming Co
8-Hr Ozone (1997) Scranton-Wilkes-Barre, PA - (Former Subpart 1)
1-Hr Ozone (1979) Scranton-Wilkes-Barre, PA - (Marginal)
 
York Co
8-Hr Ozone (1997) York, PA - (Former Subpart 1)
1-Hr Ozone (1979) York, PA - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

RHODE ISLAND
 
Bristol Co
8-Hr Ozone (1997) Providence (all of RI), RI - (Moderate)
1-Hr Ozone (1979) Providence (all of RI), RI - (Serious)
 
Kent Co
8-Hr Ozone (1997) Providence (all of RI), RI - (Moderate)
1-Hr Ozone (1979) Providence (all of RI), RI - (Serious)
 
Newport Co
8-Hr Ozone (1997) Providence (all of RI), RI - (Moderate)
1-Hr Ozone (1979) Providence (all of RI), RI - (Serious)
 
Providence Co
8-Hr Ozone (1997) Providence (all of RI), RI - (Moderate)
1-Hr Ozone (1979) Providence (all of RI), RI - (Serious)
 
Washington Co
8-Hr Ozone (1997) Providence (all of RI), RI - (Moderate)
1-Hr Ozone (1979) Providence (all of RI), RI - (Serious)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

SOUTH CAROLINA
 
Cherokee Co
1-Hr Ozone (1979) Cherokee Co, SC - (Marginal)
 
York Co
8-Hr Ozone (1997) * Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
8-Hr Ozone (2008) * Charlotte-Rock Hill, NC-SC - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

TENNESSEE
 
Anderson Co
8-Hr Ozone (1997) Knoxville, TN - (Former Subpart 1)
8-Hr Ozone (2008) * Knoxville, TN - (Marginal)
 
Blount Co
8-Hr Ozone (1997) Knoxville, TN - (Former Subpart 1)
8-Hr Ozone (2008) Knoxville, TN - (Marginal)
 
Cocke Co
8-Hr Ozone (1997) * Knoxville, TN - (Former Subpart 1)
 
Davidson Co
1-Hr Ozone (1979) Nashville, TN - (Moderate)
 
Jefferson Co
8-Hr Ozone (1997) Knoxville, TN - (Former Subpart 1)
 
Knox Co
8-Hr Ozone (1997) Knoxville, TN - (Former Subpart 1)
1-Hr Ozone (1979) Knoxville, TN - (Marginal)
8-Hr Ozone (2008) Knoxville, TN - (Marginal)
 
Loudon Co
8-Hr Ozone (1997) Knoxville, TN - (Former Subpart 1)
 
Montgomery Co
8-Hr Ozone (1997) Clarksville-Hopkinsville, TN-KY - (Former Subpart 1)
 
Rutherford Co
1-Hr Ozone (1979) Nashville, TN - (Moderate)
 
Sevier Co
8-Hr Ozone (1997) Knoxville, TN - (Former Subpart 1)
 
Shelby Co
8-Hr Ozone (1997) Memphis, TN-AR - (Moderate)
1-Hr Ozone (1979) Memphis, TN - (Marginal*)
8-Hr Ozone (2008) Memphis, TN-MS-AR - (Marginal)
 
Sumner Co
1-Hr Ozone (1979) Nashville, TN - (Moderate)
 
Williamson Co
1-Hr Ozone (1979) Nashville, TN - (Moderate)
 
Wilson Co
1-Hr Ozone (1979) Nashville, TN - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

TEXAS
 
Brazoria Co
8-Hr Ozone (1997) Houston-Galveston-Brazoria, TX - (Severe 15)
1-Hr Ozone (1979) Houston-Galveston-Brazoria, TX - (Severe 17)
8-Hr Ozone (2008) Houston-Galveston-Brazoria, TX - (Marginal)
 
Chambers Co
8-Hr Ozone (1997) Houston-Galveston-Brazoria, TX - (Severe 15)
1-Hr Ozone (1979) Houston-Galveston-Brazoria, TX - (Severe 17)
8-Hr Ozone (2008) Houston-Galveston-Brazoria, TX - (Marginal)
 
Collin Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
1-Hr Ozone (1979) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
Dallas Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
1-Hr Ozone (1979) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
Denton Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
1-Hr Ozone (1979) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
El Paso Co
1-Hr Ozone (1979) El Paso, TX - (Serious)
 
Ellis Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
Fort Bend Co
8-Hr Ozone (1997) Houston-Galveston-Brazoria, TX - (Severe 15)
1-Hr Ozone (1979) Houston-Galveston-Brazoria, TX - (Severe 17)
8-Hr Ozone (2008) Houston-Galveston-Brazoria, TX - (Marginal)
 
Galveston Co
8-Hr Ozone (1997) Houston-Galveston-Brazoria, TX - (Severe 15)
1-Hr Ozone (1979) Houston-Galveston-Brazoria, TX - (Severe 17)
8-Hr Ozone (2008) Houston-Galveston-Brazoria, TX - (Marginal)
 
Hardin Co
8-Hr Ozone (1997) Beaumont-Port Arthur, TX - (Moderate)
1-Hr Ozone (1979) Beaumont-Port Arthur, TX - (Serious)
 
Harris Co
8-Hr Ozone (1997) Houston-Galveston-Brazoria, TX - (Severe 15)
1-Hr Ozone (1979) Houston-Galveston-Brazoria, TX - (Severe 17)
8-Hr Ozone (2008) Houston-Galveston-Brazoria, TX - (Marginal)
 
Jefferson Co
8-Hr Ozone (1997) Beaumont-Port Arthur, TX - (Moderate)
1-Hr Ozone (1979) Beaumont-Port Arthur, TX - (Serious)
 
Johnson Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
Kaufman Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
Liberty Co
8-Hr Ozone (1997) Houston-Galveston-Brazoria, TX - (Severe 15)
1-Hr Ozone (1979) Houston-Galveston-Brazoria, TX - (Severe 17)
8-Hr Ozone (2008) Houston-Galveston-Brazoria, TX - (Marginal)
 
Montgomery Co
8-Hr Ozone (1997) Houston-Galveston-Brazoria, TX - (Severe 15)
1-Hr Ozone (1979) Houston-Galveston-Brazoria, TX - (Severe 17)
8-Hr Ozone (2008) Houston-Galveston-Brazoria, TX - (Marginal)
 
Orange Co
8-Hr Ozone (1997) Beaumont-Port Arthur, TX - (Moderate)
1-Hr Ozone (1979) Beaumont-Port Arthur, TX - (Serious)
 
Parker Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
Rockwall Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
Tarrant Co
8-Hr Ozone (1997) Dallas-Fort Worth, TX - (Serious)
1-Hr Ozone (1979) Dallas-Fort Worth, TX - (Serious)
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)
 
Victoria Co
1-Hr Ozone (1979) Victoria, TX - (Incomplete Data)
 
Waller Co
8-Hr Ozone (1997) Houston-Galveston-Brazoria, TX - (Severe 15)
1-Hr Ozone (1979) Houston-Galveston-Brazoria, TX - (Severe 17)
8-Hr Ozone (2008) Houston-Galveston-Brazoria, TX - (Marginal)
 
Wise Co
8-Hr Ozone (2008) Dallas-Fort Worth, TX - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

UTAH
 
Davis Co
1-Hr Ozone (1979) Salt Lake City, UT - (Moderate)
 
Salt Lake Co
1-Hr Ozone (1979) Salt Lake City, UT - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

VIRGINIA
 
Alexandria
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Arlington Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Charles City Co
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
1-Hr Ozone (1979) * Richmond, VA - (Moderate)
 
Chesapeake
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Chesterfield Co
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
1-Hr Ozone (1979) Richmond, VA - (Moderate)
 
Colonial Heights
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
1-Hr Ozone (1979) Richmond, VA - (Moderate)
 
Fairfax
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Fairfax Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Falls Church
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Fredericksburg
8-Hr Ozone (1997) Fredericksburg, VA - (Moderate)
 
Gloucester Co
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Hampton
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Hanover Co
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
1-Hr Ozone (1979) Richmond, VA - (Moderate)
 
Henrico Co
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
1-Hr Ozone (1979) Richmond, VA - (Moderate)
 
Hopewell
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
1-Hr Ozone (1979) Richmond, VA - (Moderate)
 
Isle Of Wight Co
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
James City Co
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Loudoun Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Madison Co
8-Hr Ozone (1997) * Madison and Page Cos (Shenandoah NP), VA - (Former Subpart 1)
 
Manassas
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Manassas Park
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Newport News
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Norfolk
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Page Co
8-Hr Ozone (1997) * Madison and Page Cos (Shenandoah NP), VA - (Former Subpart 1)
 
Petersburg
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
 
Poquoson
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Portsmouth
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Prince George Co
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
 
Prince William Co
8-Hr Ozone (1997) Washington, DC-MD-VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
8-Hr Ozone (2008) Washington, DC-MD-VA - (Marginal)
 
Richmond
8-Hr Ozone (1997) Richmond-Petersburg, VA - (Marginal)
1-Hr Ozone (1979) Richmond, VA - (Moderate)
 
Smyth Co
1-Hr Ozone (1979) * Smyth Co, VA (White Top Mtn) - (Marginal RT)
 
Spotsylvania Co
8-Hr Ozone (1997) Fredericksburg, VA - (Moderate)
 
Stafford Co
8-Hr Ozone (1997) Fredericksburg, VA - (Moderate)
1-Hr Ozone (1979) Washington, DC-MD-VA - (Severe 15)
 
Suffolk
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Virginia Beach
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
Williamsburg
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
 
York Co
8-Hr Ozone (1997) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)
1-Hr Ozone (1979) Norfolk-Virginia Beach-Newport News (Hampton Roads), VA - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

WASHINGTON
 
Clark Co
1-Hr Ozone (1979) * Portland-Vancouver AQMA, OR-WA - (Marginal)
 
King Co
1-Hr Ozone (1979) * Seattle-Tacoma, WA - (Marginal)
 
Pierce Co
1-Hr Ozone (1979) Seattle-Tacoma, WA - (Marginal)
 
Snohomish Co
1-Hr Ozone (1979) * Seattle-Tacoma, WA - (Marginal)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

WEST VIRGINIA
 
Brooke Co
8-Hr Ozone (1997) Steubenville-Weirton, OH-WV - (Former Subpart 1)
 
Cabell Co
8-Hr Ozone (1997) Huntington-Ashland, WV-KY - (Former Subpart 1)
1-Hr Ozone (1979) Huntington-Ashland, WV-KY - (Moderate*)
 
Greenbrier Co
1-Hr Ozone (1979) Greenbrier, WV - (Marginal)
 
Hancock Co
8-Hr Ozone (1997) Steubenville-Weirton, OH-WV - (Former Subpart 1)
 
Kanawha Co
8-Hr Ozone (1997) Charleston, WV - (Former Subpart 1)
1-Hr Ozone (1979) Charleston, WV - (Moderate)
 
Marshall Co
8-Hr Ozone (1997) Wheeling, WV-OH - (Former Subpart 1)
 
Ohio Co
8-Hr Ozone (1997) Wheeling, WV-OH - (Former Subpart 1)
 
Putnam Co
8-Hr Ozone (1997) Charleston, WV - (Former Subpart 1)
1-Hr Ozone (1979) Charleston, WV - (Moderate)
 
Wayne Co
8-Hr Ozone (1997) Huntington-Ashland, WV-KY - (Former Subpart 1)
1-Hr Ozone (1979) Huntington-Ashland, WV-KY - (Moderate*)
 
Wood Co
8-Hr Ozone (1997) Parkersburg-Marietta, WV-OH - (Former Subpart 1)
1-Hr Ozone (1979) Parkersburg-Marietta, WV - (Moderate)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

WISCONSIN
 
Door Co
8-Hr Ozone (1997) Door Co, WI - (Former Subpart 1)
1-Hr Ozone (1979) Door Co, WI - (Marginal RT)
 
Kenosha Co
8-Hr Ozone (1997) Milwaukee-Racine, WI - (Moderate)
1-Hr Ozone (1979) Milwaukee-Racine, WI - (Severe 17)
8-Hr Ozone (2008) * Chicago-Naperville, IL-IN-WI - (Marginal)
 
Kewaunee Co
8-Hr Ozone (1997) Kewaunee Co, WI - (Former Subpart 1)
1-Hr Ozone (1979) Kewaunee Co, WI - (Moderate)
 
Manitowoc Co
8-Hr Ozone (1997) Manitowoc Co, WI - (Former Subpart 1)
1-Hr Ozone (1979) Manitowoc Co, WI - (Moderate*)
 
Milwaukee Co
8-Hr Ozone (1997) Milwaukee-Racine, WI - (Moderate)
1-Hr Ozone (1979) Milwaukee-Racine, WI - (Severe 17)
 
Ozaukee Co
8-Hr Ozone (1997) Milwaukee-Racine, WI - (Moderate)
1-Hr Ozone (1979) Milwaukee-Racine, WI - (Severe 17)
 
Racine Co
8-Hr Ozone (1997) Milwaukee-Racine, WI - (Moderate)
1-Hr Ozone (1979) Milwaukee-Racine, WI - (Severe 17)
 
Sheboygan Co
8-Hr Ozone (1997) Sheboygan, WI - (Moderate)
1-Hr Ozone (1979) Sheboygan, WI - (Moderate)
8-Hr Ozone (2008) Sheboygan County, WI - (Marginal)
 
Walworth Co
1-Hr Ozone (1979) Walworth Co, WI - (Marginal)
 
Washington Co
8-Hr Ozone (1997) Milwaukee-Racine, WI - (Moderate)
1-Hr Ozone (1979) Milwaukee-Racine, WI - (Severe 17)
 
Waukesha Co
8-Hr Ozone (1997) Milwaukee-Racine, WI - (Moderate)
1-Hr Ozone (1979) Milwaukee-Racine, WI - (Severe 17)

State, County, Pollutant, * Part County NAA, NAA Area Name - Classification Standard

WYOMING
 
Lincoln Co
8-Hr Ozone (2008) * Upper Green River Basin Area, WY - (Marginal)
 
Sublette Co
8-Hr Ozone (2008) Upper Green River Basin Area, WY - (Marginal)
 
Sweetwater Co
8-Hr Ozone (2008) * Upper Green River Basin Area, WY - (Marginal)

Notes:

Details about the designations and classifications of previous 1-hour ozone nonattainment and maintenance areas can be found here.


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