Jump to main content.


Currently Designated Nonattainment Areas for All Criteria Pollutants

As of March 30, 2012
Listed by State, County then Pollutant

On June 8, 2007, the United States Court of Appeals vacated the Subpart 1 portion of the Phase 1 Rule (Court Order). The Subpart 1 areas in the Green Book are listed as "Former Subpart 1" until reclassification of the areas is finalized. Proposed reclassifications were published on January 16, 2009 74 FR 2936.


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

ALABAMA
Jackson Co
PM-2.5 1997 * Chattanooga, AL-TN-GA - (Nonattainment)
Jefferson Co
PM-2.5 1997 Birmingham, AL - (Nonattainment)
PM-2.5 2006 Birmingham, AL - (Nonattainment)
Pike Co
Lead 2008 * Troy, AL - (Nonattainment)
Shelby Co
PM-2.5 1997 Birmingham, AL - (Nonattainment)
PM-2.5 2006 Birmingham, AL - (Nonattainment)
Walker Co
PM-2.5 1997 * Birmingham, AL - (Nonattainment)
PM-2.5 2006 * Birmingham, AL - (Nonattainment)

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

ALASKA
Anchorage Municipality
PM-10 * Eagle River, AK - (Moderate)
Fairbanks North Star Borough
PM-2.5 2006 * Fairbanks, AK - (Nonattainment)
Juneau City and Borough
PM-10 * Juneau, AK - (Moderate)

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

ARIZONA
Cochise Co
PM-10 * Paul Spur/Douglas (Cochise County), AZ - (Moderate)
Gila Co
PM-10 * Hayden AZ - (Moderate)
PM-10 * Miami, AZ - (Moderate)
Maricopa Co
8-Hr Ozone * Phoenix-Mesa, AZ - (Former Subpart 1)
PM-10 * Phoenix, AZ - (Serious)
Pima Co
PM-10 * Ajo (Pima County), AZ - (Moderate)
PM-10 * Rillito, AZ - (Moderate)
Pinal Co
8-Hr Ozone * Phoenix-Mesa, AZ - (Former Subpart 1)
PM-10 * Hayden AZ - (Moderate)
PM-10 * Phoenix, AZ - (Serious)
PM-2.5 2006 * West Central Pinal, AZ - (Nonattainment)
SO2 * Hayden (Pinal County), AZ - (Primary)
Santa Cruz Co
PM-10 * Nogales, AZ - (Moderate)
PM-2.5 2006 * Nogales, AZ - (Nonattainment)
Yuma Co
PM-10 * Yuma, AZ - (Moderate)

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

CALIFORNIA
Alameda Co
8-Hr Ozone San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 San Francisco Bay Area, CA - (Nonattainment)
Amador Co
8-Hr Ozone Amador and Calaveras Cos (Central Mtn), CA - (Former Subpart 1)
Butte Co
8-Hr Ozone Chico, CA - (Former Subpart 1)
PM-2.5 2006 * Chico, CA - (Nonattainment)
Calaveras Co
8-Hr Ozone Amador and Calaveras Cos (Central Mtn), CA - (Former Subpart 1)
Contra Costa Co
8-Hr Ozone San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 San Francisco Bay Area, CA - (Nonattainment)
El Dorado Co
8-Hr Ozone * Sacramento Metro, CA - (Severe 15)
PM-2.5 2006 * Sacramento, CA - (Nonattainment)
Fresno Co
8-Hr Ozone San Joaquin Valley, CA - (Extreme)
PM-2.5 1997 San Joaquin Valley, CA - (Nonattainment)
PM-2.5 2006 San Joaquin Valley, CA - (Nonattainment)
Imperial Co
8-Hr Ozone Imperial Co, CA - (Moderate)
PM-10 * Imperial Valley, CA - (Serious)
PM-2.5 2006 * Imperial Co, CA - (Nonattainment)
Inyo Co
PM-10 * Owens Valley, CA - (Serious)
Kern Co
8-Hr Ozone * Kern Co (Eastern Kern), CA - (Former Subpart 1)
8-Hr Ozone * San Joaquin Valley, CA - (Extreme)
PM-10 * East Kern Co, CA - (Serious)
PM-2.5 1997 * San Joaquin Valley, CA - (Nonattainment)
PM-2.5 2006 * San Joaquin Valley, CA - (Nonattainment)
Kings Co
8-Hr Ozone San Joaquin Valley, CA - (Extreme)
PM-2.5 1997 San Joaquin Valley, CA - (Nonattainment)
PM-2.5 2006 San Joaquin Valley, CA - (Nonattainment)
Los Angeles Co
8-Hr Ozone * Los Angeles South Coast Air Basin, CA - (Extreme)
8-Hr Ozone * Los Angeles-San Bernardino Cos(W Mojave),CA - (Moderate)
Lead 2008 * Los Angeles County-South Coast Air Basin, CA - (Nonattainment)
PM-10 * Los Angeles South Coast Air Basin, CA - (Serious)
PM-2.5 1997 * Los Angeles-South Coast Air Basin, CA - (Nonattainment)
PM-2.5 2006 * Los Angeles-South Coast Air Basin, CA - (Nonattainment)
Madera Co
8-Hr Ozone San Joaquin Valley, CA - (Extreme)
PM-2.5 1997 San Joaquin Valley, CA - (Nonattainment)
PM-2.5 2006 San Joaquin Valley, CA - (Nonattainment)
Marin Co
8-Hr Ozone San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 San Francisco Bay Area, CA - (Nonattainment)
Mariposa Co
8-Hr Ozone Mariposa and Tuolumne Cos (Southern Mtn),CA - (Former Subpart 1)
Merced Co
8-Hr Ozone San Joaquin Valley, CA - (Extreme)
PM-2.5 1997 San Joaquin Valley, CA - (Nonattainment)
PM-2.5 2006 San Joaquin Valley, CA - (Nonattainment)
Mono Co
PM-10 * Mammoth Lake, CA - (Moderate)
PM-10 * Mono Basin, CA - (Moderate)
Napa Co
8-Hr Ozone San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 San Francisco Bay Area, CA - (Nonattainment)
Nevada Co
8-Hr Ozone * Nevada Co. (Western Part), CA - (Former Subpart 1)
Orange Co
8-Hr Ozone Los Angeles South Coast Air Basin, CA - (Extreme)
PM-10 Los Angeles South Coast Air Basin, CA - (Serious)
PM-2.5 1997 Los Angeles-South Coast Air Basin, CA - (Nonattainment)
PM-2.5 2006 Los Angeles-South Coast Air Basin, CA - (Nonattainment)
Placer Co
8-Hr Ozone * Sacramento Metro, CA - (Severe 15)
PM-2.5 2006 * Sacramento, CA - (Nonattainment)
Riverside Co
8-Hr Ozone * Los Angeles South Coast Air Basin, CA - (Extreme)
8-Hr Ozone * Riverside Co, (Coachella Valley), CA - (Severe 15)
PM-10 * Coachella Valley, CA - (Serious)
PM-10 * Los Angeles South Coast Air Basin, CA - (Serious)
PM-2.5 1997 * Los Angeles-South Coast Air Basin, CA - (Nonattainment)
PM-2.5 2006 * Los Angeles-South Coast Air Basin, CA - (Nonattainment)
Sacramento Co
8-Hr Ozone Sacramento Metro, CA - (Severe 15)
PM-10 Sacramento Co, CA - (Moderate)
PM-2.5 2006 Sacramento, CA - (Nonattainment)
San Bernardino Co
8-Hr Ozone * Los Angeles South Coast Air Basin, CA - (Extreme)
8-Hr Ozone * Los Angeles-San Bernardino Cos(W Mojave),CA - (Moderate)
PM-10 * Los Angeles South Coast Air Basin, CA - (Serious)
PM-10 * San Bernardino Co, CA - (Moderate)
PM-10 * Trona, CA - (Moderate)
PM-2.5 1997 * Los Angeles-South Coast Air Basin, CA - (Nonattainment)
PM-2.5 2006 * Los Angeles-South Coast Air Basin, CA - (Nonattainment)
San Diego Co
8-Hr Ozone * San Diego, CA - (Former Subpart 1)
San Francisco Co
8-Hr Ozone San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 San Francisco Bay Area, CA - (Nonattainment)
San Joaquin Co
8-Hr Ozone San Joaquin Valley, CA - (Extreme)
PM-2.5 1997 San Joaquin Valley, CA - (Nonattainment)
PM-2.5 2006 San Joaquin Valley, CA - (Nonattainment)
San Mateo Co
8-Hr Ozone San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 San Francisco Bay Area, CA - (Nonattainment)
Santa Clara Co
8-Hr Ozone San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 San Francisco Bay Area, CA - (Nonattainment)
Solano Co
8-Hr Ozone * Sacramento Metro, CA - (Severe 15)
8-Hr Ozone * San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 * Sacramento, CA - (Nonattainment)
PM-2.5 2006 * San Francisco Bay Area, CA - (Nonattainment)
Sonoma Co
8-Hr Ozone * San Francisco Bay Area, CA - (Marginal)
PM-2.5 2006 * San Francisco Bay Area, CA - (Nonattainment)
Stanislaus Co
8-Hr Ozone San Joaquin Valley, CA - (Extreme)
PM-2.5 1997 San Joaquin Valley, CA - (Nonattainment)
PM-2.5 2006 San Joaquin Valley, CA - (Nonattainment)
Sutter Co
8-Hr Ozone * Sacramento Metro, CA - (Severe 15)
8-Hr Ozone * Sutter Co (Sutter Buttes), CA - (Former Subpart 1)
PM-2.5 2006 Yuba City-Marysville, CA - (Nonattainment)
Tulare Co
8-Hr Ozone San Joaquin Valley, CA - (Extreme)
PM-2.5 1997 San Joaquin Valley, CA - (Nonattainment)
PM-2.5 2006 San Joaquin Valley, CA - (Nonattainment)
Tuolumne Co
8-Hr Ozone Mariposa and Tuolumne Cos (Southern Mtn),CA - (Former Subpart 1)
Ventura Co
8-Hr Ozone * Ventura Co, CA - (Serious)
Yolo Co
8-Hr Ozone Sacramento Metro, CA - (Severe 15)
PM-2.5 2006 * Sacramento, CA - (Nonattainment)
Yuba Co
PM-2.5 2006 * Yuba City-Marysville, CA - (Nonattainment)

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

COLORADO
Adams Co
8-Hr Ozone Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)
Arapahoe Co
8-Hr Ozone Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)
Boulder Co
8-Hr Ozone Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)
Broomfield Co
8-Hr Ozone Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)
Denver Co
8-Hr Ozone Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)
Douglas Co
8-Hr Ozone Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)
Jefferson Co
8-Hr Ozone Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)
Larimer Co
8-Hr Ozone * Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)
Weld Co
8-Hr Ozone * Denver-Boulder-Greeley-Ft Collins-Love., CO - (Former Subpart 1)

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

CONNECTICUT
Fairfield Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Hartford Co
8-Hr Ozone Greater Connecticut, CT - (Moderate)
Litchfield Co
8-Hr Ozone Greater Connecticut, CT - (Moderate)
Middlesex Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
New Haven Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
New London Co
8-Hr Ozone Greater Connecticut, CT - (Moderate)
Tolland Co
8-Hr Ozone Greater Connecticut, CT - (Moderate)
Windham Co
8-Hr Ozone Greater Connecticut, CT - (Moderate)

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

DELAWARE
Kent Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
New Castle Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Sussex Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)

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

DISTRICT OF COLUMBIA
Entire District
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)

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

FLORIDA
Hillsborough Co
Lead 2008 * Tampa, FL - (Nonattainment)

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

GEORGIA
Barrow Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Bartow Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Bibb Co
PM-2.5 1997 Macon, GA - (Nonattainment)
Carroll Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Catoosa Co
PM-2.5 1997 Chattanooga, AL-TN-GA - (Nonattainment)
Cherokee Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Clayton Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Cobb Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Coweta Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
De Kalb Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Douglas Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Fayette Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Floyd Co
PM-2.5 1997 Rome, GA - (Nonattainment)
Forsyth Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Fulton Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Gwinnett Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Hall Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Heard Co
PM-2.5 1997 * Atlanta, GA - (Nonattainment)
Henry Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Monroe Co
PM-2.5 1997 * Macon, GA - (Nonattainment)
Newton Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Paulding Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Putnam Co
PM-2.5 1997 * Atlanta, GA - (Nonattainment)
Rockdale Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Spalding Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)
Walker Co
PM-2.5 1997 Chattanooga, AL-TN-GA - (Nonattainment)
Walton Co
8-Hr Ozone Atlanta, GA - (Moderate)
PM-2.5 1997 Atlanta, GA - (Nonattainment)

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

GUAM
Piti
SO2 * Piti, GU - (Primary)
Tanguisson
SO2 * Tanguisson, GU - (Primary)

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

IDAHO
Bannock Co
PM-10 * Fort Hall Indian Reservation, ID - (Moderate)
Bonner Co
PM-10 * Bonner Co (Sandpoint), ID - (Moderate)
Franklin Co
PM-2.5 2006 * Logan, UT-ID - (Nonattainment)
Power Co
PM-10 * Fort Hall Indian Reservation, ID - (Moderate)
Shoshone Co
PM-10 * Pinehurst, ID - (Moderate)
PM-10 * Shoshone Co, ID - (Moderate)

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

ILLINOIS
Cook Co
8-Hr Ozone Chicago-Gary-Lake County, IL-IN (IL portion) - (Moderate)
Lead 2008 * Chicago, IL - (Nonattainment)
PM-2.5 1997 Chicago-Gary-Lake County, IL-IN (IL portion) - (Nonattainment)
Du Page Co
8-Hr Ozone Chicago-Gary-Lake County, IL-IN (IL portion) - (Moderate)
PM-2.5 1997 Chicago-Gary-Lake County, IL-IN (IL portion) - (Nonattainment)
Grundy Co
8-Hr Ozone * Chicago-Gary-Lake County, IL-IN (IL portion) - (Moderate)
PM-2.5 1997 * Chicago-Gary-Lake County, IL-IN (IL portion) - (Nonattainment)
Jersey Co
8-Hr Ozone St Louis, MO-IL - (Moderate)
Kane Co
8-Hr Ozone Chicago-Gary-Lake County, IL-IN (IL portion) - (Moderate)
PM-2.5 1997 Chicago-Gary-Lake County, IL-IN (IL portion) - (Nonattainment)
Kendall Co
8-Hr Ozone * Chicago-Gary-Lake County, IL-IN (IL portion) - (Moderate)
PM-2.5 1997 * Chicago-Gary-Lake County, IL-IN (IL portion) - (Nonattainment)
Lake Co
8-Hr Ozone Chicago-Gary-Lake County, IL-IN (IL portion) - (Moderate)
PM-2.5 1997 Chicago-Gary-Lake County, IL-IN (IL portion) - (Nonattainment)
Madison Co
8-Hr Ozone St Louis, MO-IL - (Moderate)
Lead 2008 * Granite City, IL - (Nonattainment)
PM-2.5 1997 St. Louis, MO-IL - (Nonattainment)
Mc Henry Co
8-Hr Ozone Chicago-Gary-Lake County, IL-IN (IL portion) - (Moderate)
PM-2.5 1997 Chicago-Gary-Lake County, IL-IN (IL portion) - (Nonattainment)
Monroe Co
8-Hr Ozone St Louis, MO-IL - (Moderate)
PM-2.5 1997 St. Louis, MO-IL - (Nonattainment)
Randolph Co
PM-2.5 1997 * St. Louis, MO-IL - (Nonattainment)
St Clair Co
8-Hr Ozone St Louis, MO-IL - (Moderate)
PM-2.5 1997 St. Louis, MO-IL - (Nonattainment)
Will Co
8-Hr Ozone Chicago-Gary-Lake County, IL-IN (IL portion) - (Moderate)
PM-2.5 1997 Chicago-Gary-Lake County, IL-IN (IL portion) - (Nonattainment)

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

INDIANA
Clark Co
PM-2.5 1997 Louisville, KY-IN - (Nonattainment)
Delaware Co
Lead 2008 * Muncie, IN - (Nonattainment)
Floyd Co
PM-2.5 1997 Louisville, KY-IN - (Nonattainment)
Hamilton Co
PM-2.5 1997 Indianapolis, IN - (Nonattainment)
Hendricks Co
PM-2.5 1997 Indianapolis, IN - (Nonattainment)
Jefferson Co
PM-2.5 1997 * Louisville, KY-IN - (Nonattainment)
Johnson Co
PM-2.5 1997 Indianapolis, IN - (Nonattainment)
Marion Co
PM-2.5 1997 Indianapolis, IN - (Nonattainment)
Morgan Co
PM-2.5 1997 Indianapolis, IN - (Nonattainment)

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

IOWA
Pottawattamie Co
Lead 2008 * Pottawattamie, IA - (Nonattainment)

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

KANSAS
Saline Co
Lead 2008 * Saline County, KS - (Nonattainment)

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

KENTUCKY
Boyd Co
PM-2.5 1997 Huntington-Ashland, WV-KY-OH - (Nonattainment)
Bullitt Co
PM-2.5 1997 Louisville, KY-IN - (Nonattainment)
Jefferson Co
PM-2.5 1997 Louisville, KY-IN - (Nonattainment)
Lawrence Co
PM-2.5 1997 * Huntington-Ashland, WV-KY-OH - (Nonattainment)

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

MARYLAND
Anne Arundel Co
8-Hr Ozone Baltimore, MD - (Serious)
PM-2.5 1997 Baltimore, MD - (Nonattainment)
Baltimore (City)
8-Hr Ozone Baltimore, MD - (Serious)
PM-2.5 1997 Baltimore, MD - (Nonattainment)
Baltimore Co
8-Hr Ozone Baltimore, MD - (Serious)
PM-2.5 1997 Baltimore, MD - (Nonattainment)
Calvert Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
Carroll Co
8-Hr Ozone Baltimore, MD - (Serious)
PM-2.5 1997 Baltimore, MD - (Nonattainment)
Cecil Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
Charles Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Frederick Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Harford Co
8-Hr Ozone Baltimore, MD - (Serious)
PM-2.5 1997 Baltimore, MD - (Nonattainment)
Howard Co
8-Hr Ozone Baltimore, MD - (Serious)
PM-2.5 1997 Baltimore, MD - (Nonattainment)
Montgomery Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Prince George's Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Washington Co
PM-2.5 1997 Martinsburg, WV-Hagerstown, MD - (Nonattainment)

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

MASSACHUSETTS
Barnstable Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Berkshire Co
8-Hr Ozone Springfield (Western MA), MA - (Moderate)
Bristol Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Dukes Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Essex Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Franklin Co
8-Hr Ozone Springfield (Western MA), MA - (Moderate)
Hampden Co
8-Hr Ozone Springfield (Western MA), MA - (Moderate)
Hampshire Co
8-Hr Ozone Springfield (Western MA), MA - (Moderate)
Middlesex Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Nantucket Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Norfolk Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Plymouth Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Suffolk Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)
Worcester Co
8-Hr Ozone Boston-Lawrence-Worcester (E. MA), MA - (Moderate)

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

MICHIGAN
Ionia Co
Lead 2008 * Belding, MI - (Nonattainment)
Livingston Co
PM-2.5 1997 Detroit-Ann Arbor, MI - (Nonattainment)
PM-2.5 2006 Detroit-Ann Arbor, MI - (Nonattainment)
Macomb Co
PM-2.5 1997 Detroit-Ann Arbor, MI - (Nonattainment)
PM-2.5 2006 Detroit-Ann Arbor, MI - (Nonattainment)
Monroe Co
PM-2.5 1997 Detroit-Ann Arbor, MI - (Nonattainment)
PM-2.5 2006 Detroit-Ann Arbor, MI - (Nonattainment)
Oakland Co
PM-2.5 1997 Detroit-Ann Arbor, MI - (Nonattainment)
PM-2.5 2006 Detroit-Ann Arbor, MI - (Nonattainment)
St Clair Co
PM-2.5 1997 Detroit-Ann Arbor, MI - (Nonattainment)
PM-2.5 2006 Detroit-Ann Arbor, MI - (Nonattainment)
Washtenaw Co
PM-2.5 1997 Detroit-Ann Arbor, MI - (Nonattainment)
PM-2.5 2006 Detroit-Ann Arbor, MI - (Nonattainment)
Wayne Co
PM-2.5 1997 Detroit-Ann Arbor, MI - (Nonattainment)
PM-2.5 2006 Detroit-Ann Arbor, MI - (Nonattainment)

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

MINNESOTA
Dakota Co
Lead 2008 * Eagon, MN - (Nonattainment)

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

MISSOURI
Dent Co
Lead 2008 * Iron, Dent, and Reynolds Counties, MO - (Nonattainment)
Franklin Co
8-Hr Ozone St Louis, MO-IL - (Moderate)
PM-2.5 1997 St. Louis, MO-IL - (Nonattainment)
Iron Co
Lead 2008 * Iron, Dent, and Reynolds Counties, MO - (Nonattainment)
Jefferson Co
8-Hr Ozone St Louis, MO-IL - (Moderate)
Lead * Jefferson County (part); Herculaneum, MO - ()
Lead 2008 * Jefferson County, MO - (Nonattainment)
PM-2.5 1997 St. Louis, MO-IL - (Nonattainment)
Reynolds Co
Lead 2008 * Iron, Dent, and Reynolds Counties, MO - (Nonattainment)
St Charles Co
8-Hr Ozone St Louis, MO-IL - (Moderate)
PM-2.5 1997 St. Louis, MO-IL - (Nonattainment)
St Louis
8-Hr Ozone St Louis, MO-IL - (Moderate)
PM-2.5 1997 St. Louis, MO-IL - (Nonattainment)
St Louis Co
8-Hr Ozone St Louis, MO-IL - (Moderate)
PM-2.5 1997 St. Louis, MO-IL - (Nonattainment)

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

MONTANA
Flathead Co
PM-10 * Columbia Falls, MT - (Moderate)
PM-10 * Flathead County; Whitefish and vicinity, MT - (Moderate)
PM-10 * Kalispell, MT - (Moderate)
Lake Co
PM-10 * Polson, MT - (Moderate)
PM-10 * Ronan, MT - (Moderate)
Lewis And Clark Co
Lead * East Helena Area (Lewis and Clark Co.), MT - ()
SO2 * East Helena Area (Lewis and Clark Co.), MT - (Primary, Secondary)
Lincoln Co
PM-10 * Libby, MT - (Moderate)
PM-2.5 1997 * Libby, MT - (Nonattainment)
Missoula Co
PM-10 * Missoula, MT - (Moderate)
Rosebud Co
PM-10 * Lame Deer, MT - (Moderate)
Sanders Co
PM-10 * Sanders County (part);Thompson Falls and vicinity,MT - (Moderate)
Silver Bow Co
PM-10 * Butte, MT - (Moderate)
Yellowstone Co
SO2 * Laurel Area (Yellowstone County), MT - (Primary)

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

NEVADA
Clark Co
8-Hr Ozone * Las Vegas, NV - (Former Subpart 1)
PM-10 * Clark Co, NV - (Serious)
Washoe Co
PM-10 * Washoe Co, NV - (Serious)

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

NEW HAMPSHIRE
Hillsborough Co
8-Hr Ozone * Boston-Manchester-Portsmouth(SE),NH - (Moderate)
Merrimack Co
8-Hr Ozone * Boston-Manchester-Portsmouth(SE),NH - (Moderate)
Rockingham Co
8-Hr Ozone * Boston-Manchester-Portsmouth(SE),NH - (Moderate)
Strafford Co
8-Hr Ozone * Boston-Manchester-Portsmouth(SE),NH - (Moderate)

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

NEW JERSEY
Atlantic Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
Bergen Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Burlington Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Camden Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Cape May Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
Cumberland Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
Essex Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Gloucester Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Hudson Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Hunterdon Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
Mercer Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Middlesex Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Monmouth Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Morris Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Ocean Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
Passaic Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Salem Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
Somerset Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Sussex Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
Union Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Warren Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
SO2 * Warren Co, NJ - (Primary, Secondary)

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

NEW MEXICO
Dona Ana Co
PM-10 * Anthony, NM - (Moderate)

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

NEW YORK
Albany Co
8-Hr Ozone Albany-Schenectady-Troy, NY - (Former Subpart 1)
Bronx Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Chautauqua Co
8-Hr Ozone Jamestown, NY - (Former Subpart 1)
Dutchess Co
8-Hr Ozone Poughkeepsie, NY - (Moderate)
Erie Co
8-Hr Ozone Buffalo-Niagara Falls, NY - (Former Subpart 1)
Essex Co
8-Hr Ozone * Essex Co (Whiteface Mtn), NY - (Former Subpart 1)
Genesee Co
8-Hr Ozone Rochester, NY - (Former Subpart 1)
Greene Co
8-Hr Ozone Albany-Schenectady-Troy, NY - (Former Subpart 1)
Jefferson Co
8-Hr Ozone Jefferson Co, NY - (Moderate)
Kings Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Livingston Co
8-Hr Ozone Rochester, NY - (Former Subpart 1)
Monroe Co
8-Hr Ozone Rochester, NY - (Former Subpart 1)
Montgomery Co
8-Hr Ozone Albany-Schenectady-Troy, NY - (Former Subpart 1)
Nassau Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
New York Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-10 New York Co, NY - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Niagara Co
8-Hr Ozone Buffalo-Niagara Falls, NY - (Former Subpart 1)
Ontario Co
8-Hr Ozone Rochester, NY - (Former Subpart 1)
Orange Co
8-Hr Ozone Poughkeepsie, NY - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Orleans Co
8-Hr Ozone Rochester, NY - (Former Subpart 1)
Putnam Co
8-Hr Ozone Poughkeepsie, NY - (Moderate)
Queens Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Rensselaer Co
8-Hr Ozone Albany-Schenectady-Troy, NY - (Former Subpart 1)
Richmond Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Rockland Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Saratoga Co
8-Hr Ozone Albany-Schenectady-Troy, NY - (Former Subpart 1)
Schenectady Co
8-Hr Ozone Albany-Schenectady-Troy, NY - (Former Subpart 1)
Schoharie Co
8-Hr Ozone Albany-Schenectady-Troy, NY - (Former Subpart 1)
Suffolk Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)
Wayne Co
8-Hr Ozone Rochester, NY - (Former Subpart 1)
Westchester Co
8-Hr Ozone New York-N. New Jersey-Long Island,NY-NJ-CT - (Moderate)
PM-2.5 1997 New York-N. New Jersey-Long Island,NY-NJ-CT - (Nonattainment)
PM-2.5 2006 New York-N. New Jersey-Long Island, NY-NJ-CT - (Nonattainment)

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

NORTH CAROLINA
Cabarrus Co
8-Hr Ozone Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
Gaston Co
8-Hr Ozone Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
Iredell Co
8-Hr Ozone * Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
Lincoln Co
8-Hr Ozone Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
Mecklenburg Co
8-Hr Ozone Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
Rowan Co
8-Hr Ozone Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)
Union Co
8-Hr Ozone Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)

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

OHIO
Adams Co
PM-2.5 1997 * Huntington-Ashland, WV-KY-OH - (Nonattainment)
Ashtabula Co
PM-2.5 1997 * Cleveland-Akron-Lorain, OH - (Nonattainment)
Belmont Co
PM-2.5 1997 Wheeling, WV-OH - (Nonattainment)
Clark Co
PM-2.5 1997 Dayton-Springfield, OH - (Nonattainment)
Coshocton Co
PM-2.5 1997 * Columbus, OH - (Nonattainment)
Cuyahoga Co
Lead 2008 * Cleveland, OH - (Nonattainment)
PM-2.5 1997 Cleveland-Akron-Lorain, OH - (Nonattainment)
PM-2.5 2006 Cleveland-Akron-Lorain, OH - (Nonattainment)
Delaware Co
PM-2.5 1997 Columbus, OH - (Nonattainment)
Fairfield Co
PM-2.5 1997 Columbus, OH - (Nonattainment)
Franklin Co
PM-2.5 1997 Columbus, OH - (Nonattainment)
Fulton Co
Lead 2008 * Delta, OH - (Nonattainment)
Gallia Co
PM-2.5 1997 * Huntington-Ashland, WV-KY-OH - (Nonattainment)
Greene Co
PM-2.5 1997 Dayton-Springfield, OH - (Nonattainment)
Jefferson Co
PM-2.5 1997 Steubenville-Weirton, OH-WV - (Nonattainment)
PM-2.5 2006 Steubenville-Weirton, OH-WV - (Nonattainment)
Lake Co
PM-2.5 1997 Cleveland-Akron-Lorain, OH - (Nonattainment)
PM-2.5 2006 Cleveland-Akron-Lorain, OH - (Nonattainment)
Lawrence Co
PM-2.5 1997 Huntington-Ashland, WV-KY-OH - (Nonattainment)
Licking Co
PM-2.5 1997 Columbus, OH - (Nonattainment)
Logan Co
Lead 2008 * Bellefontaine, OH - (Nonattainment)
Lorain Co
PM-2.5 1997 Cleveland-Akron-Lorain, OH - (Nonattainment)
PM-2.5 2006 Cleveland-Akron-Lorain, OH - (Nonattainment)
Medina Co
PM-2.5 1997 Cleveland-Akron-Lorain, OH - (Nonattainment)
PM-2.5 2006 Cleveland-Akron-Lorain, OH - (Nonattainment)
Montgomery Co
PM-2.5 1997 Dayton-Springfield, OH - (Nonattainment)
Portage Co
PM-2.5 1997 Cleveland-Akron-Lorain, OH - (Nonattainment)
PM-2.5 2006 Cleveland-Akron-Lorain, OH - (Nonattainment)
Scioto Co
PM-2.5 1997 Huntington-Ashland, WV-KY-OH - (Nonattainment)
Stark Co
PM-2.5 1997 Canton-Massillon, OH - (Nonattainment)
PM-2.5 2006 Canton-Massillon, OH - (Nonattainment)
Summit Co
PM-2.5 1997 Cleveland-Akron-Lorain, OH - (Nonattainment)
PM-2.5 2006 Cleveland-Akron-Lorain, OH - (Nonattainment)
Washington Co
PM-2.5 1997 Parkersburg-Marietta, WV-OH - (Nonattainment)

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

OREGON
Klamath Co
PM-2.5 2006 * Klamath Falls, OR - (Nonattainment)
Lane Co
PM-10 * Eugene-Springfield, OR - (Moderate)
PM-10 * Lane Co, OR - (Moderate)
PM-2.5 2006 * Oakridge, OR - (Nonattainment)

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

PENNSYLVANIA
Allegheny Co
8-Hr Ozone Pittsburgh-Beaver Valley, PA - (Former Subpart 1)
PM-2.5 1997 * Liberty-Clairton, PA - (Nonattainment)
PM-2.5 1997 * Pittsburgh-Beaver Valley, PA - (Nonattainment)
PM-2.5 2006 * Liberty-Clairton, PA - (Nonattainment)
PM-2.5 2006 * Pittsburgh-Beaver Valley, PA - (Nonattainment)
Armstrong Co
8-Hr Ozone Pittsburgh-Beaver Valley, PA - (Former Subpart 1)
PM-2.5 1997 * Pittsburgh-Beaver Valley, PA - (Nonattainment)
PM-2.5 2006 * Pittsburgh-Beaver Valley, PA - (Nonattainment)
SO2 * Armstrong Co, PA - (Primary)
Beaver Co
8-Hr Ozone Pittsburgh-Beaver Valley, PA - (Former Subpart 1)
Lead 2008 * Lower Beaver Valley, PA - (Nonattainment)
PM-2.5 1997 Pittsburgh-Beaver Valley, PA - (Nonattainment)
PM-2.5 2006 Pittsburgh-Beaver Valley, PA - (Nonattainment)
Berks Co
Lead 2008 * Lyons, PA - (Nonattainment)
Lead 2008 * North Reading, PA - (Nonattainment)
PM-2.5 1997 Reading, PA - (Nonattainment)
Bucks Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Butler Co
8-Hr Ozone Pittsburgh-Beaver Valley, PA - (Former Subpart 1)
PM-2.5 1997 Pittsburgh-Beaver Valley, PA - (Nonattainment)
PM-2.5 2006 Pittsburgh-Beaver Valley, PA - (Nonattainment)
Cambria Co
PM-2.5 1997 Johnstown, PA - (Nonattainment)
PM-2.5 2006 Johnstown, PA - (Nonattainment)
Chester Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Cumberland Co
PM-2.5 1997 Harrisburg-Lebanon-Carlisle, PA - (Nonattainment)
PM-2.5 2006 Harrisburg-Lebanon-Carlisle-York, PA - (Nonattainment)
Dauphin Co
PM-2.5 1997 Harrisburg-Lebanon-Carlisle, PA - (Nonattainment)
PM-2.5 2006 Harrisburg-Lebanon-Carlisle-York, PA - (Nonattainment)
Delaware Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Fayette Co
8-Hr Ozone Pittsburgh-Beaver Valley, PA - (Former Subpart 1)
Greene Co
PM-2.5 1997 * Pittsburgh-Beaver Valley, PA - (Nonattainment)
PM-2.5 2006 * Pittsburgh-Beaver Valley, PA - (Nonattainment)
Indiana Co
PM-2.5 1997 * Johnstown, PA - (Nonattainment)
PM-2.5 2006 * Johnstown, PA - (Nonattainment)
Lancaster Co
PM-2.5 1997 Lancaster, PA - (Nonattainment)
PM-2.5 2006 Lancaster, PA - (Nonattainment)
Lawrence Co
PM-2.5 1997 * Pittsburgh-Beaver Valley, PA - (Nonattainment)
PM-2.5 2006 * Pittsburgh-Beaver Valley, PA - (Nonattainment)
Lebanon Co
PM-2.5 1997 Harrisburg-Lebanon-Carlisle, PA - (Nonattainment)
PM-2.5 2006 Harrisburg-Lebanon-Carlisle-York, PA - (Nonattainment)
Lehigh Co
PM-2.5 2006 Allentown, PA - (Nonattainment)
Montgomery Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Northampton Co
PM-2.5 2006 Allentown, PA - (Nonattainment)
Philadelphia Co
8-Hr Ozone Philadelphia-Wilmin-Atlantic Ci,PA-NJ-MD-DE - (Moderate)
PM-2.5 1997 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
PM-2.5 2006 Philadelphia-Wilmington, PA-NJ-DE - (Nonattainment)
Washington Co
8-Hr Ozone Pittsburgh-Beaver Valley, PA - (Former Subpart 1)
PM-2.5 1997 Pittsburgh-Beaver Valley, PA - (Nonattainment)
PM-2.5 2006 Pittsburgh-Beaver Valley, PA - (Nonattainment)
Westmoreland Co
8-Hr Ozone Pittsburgh-Beaver Valley, PA - (Former Subpart 1)
PM-2.5 1997 Pittsburgh-Beaver Valley, PA - (Nonattainment)
PM-2.5 2006 Pittsburgh-Beaver Valley, PA - (Nonattainment)
York Co
PM-2.5 1997 York, PA - (Nonattainment)
PM-2.5 2006 Harrisburg-Lebanon-Carlisle-York, PA - (Nonattainment)

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

PUERTO RICO
Arecibo Municipio
Lead 2008 * Arecibo, PR - (Nonattainment)

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

RHODE ISLAND
Bristol Co
8-Hr Ozone Providence (All RI), RI - (Moderate)
Kent Co
8-Hr Ozone Providence (All RI), RI - (Moderate)
Newport Co
8-Hr Ozone Providence (All RI), RI - (Moderate)
Providence Co
8-Hr Ozone Providence (All RI), RI - (Moderate)
Washington Co
8-Hr Ozone Providence (All RI), RI - (Moderate)

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

SOUTH CAROLINA
York Co
8-Hr Ozone * Charlotte-Gastonia-Rock Hill, NC-SC - (Moderate)

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

TENNESSEE
Anderson Co
PM-2.5 1997 Knoxville, TN - (Nonattainment)
PM-2.5 2006 Knoxville-Sevierville-La Follette, TN - (Nonattainment)
Blount Co
PM-2.5 1997 Knoxville, TN - (Nonattainment)
PM-2.5 2006 Knoxville-Sevierville-La Follette, TN - (Nonattainment)
Hamilton Co
PM-2.5 1997 Chattanooga, AL-TN-GA - (Nonattainment)
Knox Co
PM-2.5 1997 Knoxville, TN - (Nonattainment)
PM-2.5 2006 Knoxville-Sevierville-La Follette, TN - (Nonattainment)
Loudon Co
PM-2.5 1997 Knoxville, TN - (Nonattainment)
PM-2.5 2006 Knoxville-Sevierville-La Follette, TN - (Nonattainment)
Roane Co
PM-2.5 1997 * Knoxville, TN - (Nonattainment)
PM-2.5 2006 * Knoxville-Sevierville-La Follette, TN - (Nonattainment)
Sullivan Co
Lead 2008 * Bristol, TN - (Nonattainment)

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

TEXAS
Brazoria Co
8-Hr Ozone Houston-Galveston-Brazoria, TX - (Severe 15)
Chambers Co
8-Hr Ozone Houston-Galveston-Brazoria, TX - (Severe 15)
Collin Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
Lead 2008 * Frisco, TX - (Nonattainment)
Dallas Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
Denton Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
El Paso Co
PM-10 * El Paso Co, TX - (Moderate)
Ellis Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
Fort Bend Co
8-Hr Ozone Houston-Galveston-Brazoria, TX - (Severe 15)
Galveston Co
8-Hr Ozone Houston-Galveston-Brazoria, TX - (Severe 15)
Harris Co
8-Hr Ozone Houston-Galveston-Brazoria, TX - (Severe 15)
Johnson Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
Kaufman Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
Liberty Co
8-Hr Ozone Houston-Galveston-Brazoria, TX - (Severe 15)
Montgomery Co
8-Hr Ozone Houston-Galveston-Brazoria, TX - (Severe 15)
Parker Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
Rockwall Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
Tarrant Co
8-Hr Ozone Dallas-Fort Worth, TX - (Serious)
Waller Co
8-Hr Ozone Houston-Galveston-Brazoria, TX - (Severe 15)

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

UTAH
Box Elder Co
PM-2.5 2006 * Salt Lake City, UT - (Nonattainment)
Cache Co
PM-2.5 2006 * Logan, UT-ID - (Nonattainment)
Davis Co
PM-2.5 2006 Salt Lake City, UT - (Nonattainment)
Salt Lake Co
PM-10 Salt Lake Co, UT - (Moderate)
PM-2.5 2006 Salt Lake City, UT - (Nonattainment)
SO2 Salt Lake Co, UT - (Primary, Secondary)
Tooele Co
PM-2.5 2006 * Salt Lake City, UT - (Nonattainment)
SO2 * Tooele Co, UT - (Primary, Secondary)
Utah Co
PM-10 Utah Co, UT - (Moderate)
PM-2.5 2006 * Provo, UT - (Nonattainment)
Weber Co
PM-10 * Ogden, UT - (Moderate)
PM-2.5 2006 * Salt Lake City, UT - (Nonattainment)

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

VIRGINIA
Alexandria
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Arlington Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Fairfax
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Fairfax Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Falls Church
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Loudoun Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Manassas
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Manassas Park
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)
Prince William Co
8-Hr Ozone Washington, DC-MD-VA - (Moderate)
PM-2.5 1997 Washington, DC-MD-VA - (Nonattainment)

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

WASHINGTON
Pierce Co
PM-2.5 2006 * Tacoma, WA - (Nonattainment)

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

WEST VIRGINIA
Berkeley Co
PM-2.5 1997 Martinsburg, WV-Hagerstown, MD - (Nonattainment)
Brooke Co
PM-2.5 1997 Steubenville-Weirton, OH-WV - (Nonattainment)
PM-2.5 2006 Steubenville-Weirton, OH-WV - (Nonattainment)
Cabell Co
PM-2.5 1997 Huntington-Ashland, WV-KY-OH - (Nonattainment)
Hancock Co
PM-2.5 1997 Steubenville-Weirton, OH-WV - (Nonattainment)
PM-2.5 2006 Steubenville-Weirton, OH-WV - (Nonattainment)
Kanawha Co
PM-2.5 1997 Charleston, WV - (Nonattainment)
PM-2.5 2006 Charleston, WV - (Nonattainment)
Marshall Co
PM-2.5 1997 Wheeling, WV-OH - (Nonattainment)
Mason Co
PM-2.5 1997 * Huntington-Ashland, WV-KY-OH - (Nonattainment)
Ohio Co
PM-2.5 1997 Wheeling, WV-OH - (Nonattainment)
Pleasants Co
PM-2.5 1997 * Parkersburg-Marietta, WV-OH - (Nonattainment)
Putnam Co
PM-2.5 1997 Charleston, WV - (Nonattainment)
PM-2.5 2006 Charleston, WV - (Nonattainment)
Wayne Co
PM-2.5 1997 Huntington-Ashland, WV-KY-OH - (Nonattainment)
Wood Co
PM-2.5 1997 Parkersburg-Marietta, WV-OH - (Nonattainment)

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

WISCONSIN
Kenosha Co
8-Hr Ozone Milwaukee-Racine, WI - (Moderate)
Milwaukee Co
8-Hr Ozone Milwaukee-Racine, WI - (Moderate)
PM-2.5 2006 Milwaukee-Racine, WI - (Nonattainment)
Ozaukee Co
8-Hr Ozone Milwaukee-Racine, WI - (Moderate)
Racine Co
8-Hr Ozone Milwaukee-Racine, WI - (Moderate)
PM-2.5 2006 Milwaukee-Racine, WI - (Nonattainment)
Sheboygan Co
8-Hr Ozone Sheboygan, WI - (Moderate)
Washington Co
8-Hr Ozone Milwaukee-Racine, WI - (Moderate)
Waukesha Co
8-Hr Ozone Milwaukee-Racine, WI - (Moderate)
PM-2.5 2006 Milwaukee-Racine, WI - (Nonattainment)

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

WYOMING
Sheridan Co
PM-10 * Sheridan, WY - (Moderate)

* Only a portion of the county is designated nonattainment (NAA). Exception for a few ozone counties: Each county below is designated NAA for ozone. The entire county is NAA for ozone. In addition, each is split into two or more ozone NAA areas. Los Angeles and Sutter Counties, CA; Fairfield and Litchfield Counties, CT; Hillsborough and Rockingham Counties, NH; Orange County, NY. For detailed description for portion of the county that is NAA, see the individual pollutant tables. This is not an official list of nonattainment areas. See the Code of Federal Regulations (40 CFR Part 81) and pertinent Federal Register notices for legal lists and boundaries.


Go Top

Local Navigation


Jump to main content.