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Area/State/County Report
Previous Nonattainment Areas No Longer Subject to the 1-hour Standard

As of June 15, 2005



   Albany-Schenectady-Troy, NY (Marginal)
NEW YORK (Region II)
Albany Co
Greene Co
Montgomery Co
Rensselaer Co
Saratoga Co
Schenectady Co
 
   Allentown-Bethlehem-Easton, PA-NJ (Marginal)
NEW JERSEY (Region II)
Warren Co
PENNSYLVANIA (Region III)
Carbon Co
Lehigh Co
Northampton Co
 
   Altoona, PA (Marginal)
PENNSYLVANIA (Region III)
Blair Co
 
   Atlantic City, NJ (Moderate)
NEW JERSEY (Region II)
Atlantic Co
Cape May Co
 
   Baltimore, MD (Severe-15)
MARYLAND (Region III)
Anne Arundel Co
Baltimore (City)
Baltimore Co
Carroll Co
Harford Co
Howard Co
 
   Baton Rouge, LA (Severe-15)
LOUISIANA (Region VI)
Ascension Par
East Baton Rouge Par
Iberville Par
Livingston Par
West Baton Rouge Par
 
   Beaumont-Port Arthur, TX (Serious)
TEXAS (Region VI)
Hardin Co
Jefferson Co
Orange Co
 
   Boston-Lawrence-Worcester (E. MA), MA-NH (Serious)
MASSACHUSETTS (Region I)
Barnstable Co
Bristol Co
Dukes Co
Essex Co
Middlesex Co
Nantucket Co
Norfolk Co
Plymouth Co
Suffolk Co
Worcester Co
NEW HAMPSHIRE (Region I)
Hillsborough Co (P)
Rockingham Co (P)
 
   Buffalo-Niagara Falls, NY (Marginal)
NEW YORK (Region II)
Erie Co
Niagara Co
 
   Cheshire Co, NH (Incomplete Data)
NEW HAMPSHIRE (Region I)
Cheshire Co
 
   Chicago-Gary-Lake County, IL-IN (Severe-17)
ILLINOIS (Region V)
Cook Co
Du Page Co
Grundy Co (P)
Aux Sable Township
Gooselake Township
Kane Co
Kendall Co (P)
Oswego Township
Lake Co
Mc Henry Co
Will Co
INDIANA (Region V)
Lake Co
Porter Co
 
   Chico, CA (Section 185A)
CALIFORNIA (Region IX)
Butte Co
 
   Crawford Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Crawford Co
 
   Dallas-Fort Worth, TX (Serious)
TEXAS (Region VI)
Collin Co
Dallas Co
Denton Co
Tarrant Co
 
   El Paso, TX (Serious)
TEXAS (Region VI)
El Paso Co
 
   Erie, PA (Marginal)
PENNSYLVANIA (Region III)
Erie Co
 
   Essex Co, NY (Marginal RT)
NEW YORK (Region II)
Essex Co (P)
The portion of Whiteface Mountain above 4,500 feet in elevation in Essex County
 
   Franklin Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Franklin Co
 
   Greater Connecticut, CT (Serious)
CONNECTICUT (Region I)
Fairfield Co (P)
Shelton City
Hartford Co
Litchfield Co (P)
All cities and townships except: Bridgewater Town, New Milford Town
Middlesex Co
New Haven Co
New London Co
Tolland Co
Windham Co
 
   Greene Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Greene Co
 
   Harrisburg-Lebanon-Carlisle, PA (Marginal)
PENNSYLVANIA (Region III)
Cumberland Co
Dauphin Co
Lebanon Co
Perry Co
 
   Houston-Galveston-Brazoria, TX (Severe-17)
TEXAS (Region VI)
Brazoria Co
Chambers Co
Fort Bend Co
Galveston Co
Harris Co
Liberty Co
Montgomery Co
Waller Co
 
   Imperial Co, CA (Section 185A)
CALIFORNIA (Region IX)
Imperial Co
 
   Jefferson Co, NY (Marginal*)
NEW YORK (Region II)
Jefferson Co
 
   Johnstown, PA (Marginal)
PENNSYLVANIA (Region III)
Cambria Co
Somerset Co
 
   Juniata Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Juniata Co
 
   Knox & Lincoln Co.s, ME (Moderate*)
MAINE (Region I)
Knox Co
Lincoln Co
 
   Lancaster, PA (Marginal)
PENNSYLVANIA (Region III)
Lancaster Co
 
   Lawrence Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Lawrence Co
 
   Lewiston-Auburn, ME (Moderate*)
MAINE (Region I)
Androscoggin Co
Kennebec Co
 
   Los Angeles South Coast Air Basin, CA (Extreme)
CALIFORNIA (Region IX)
Los Angeles Co (P)
Orange Co
Riverside Co (P)
San Bernardino Co (P)
 
   Manchester, NH (Marginal)
NEW HAMPSHIRE (Region I)
Hillsborough Co (P)
Merrimack Co
Rockingham Co (P)
 
   Milwaukee-Racine, WI (Severe-17)
WISCONSIN (Region V)
Kenosha Co
Milwaukee Co
Ozaukee Co
Racine Co
Washington Co
Waukesha Co
 
  Morongo Band of Mission Indians
CALIFORNIA (Region IX)
Morongo Band of Mission Indians
 
   New York-N. New Jersey-Long Island, NY-NJ-CT (Severe-17)
CONNECTICUT (Region I)
Fairfield Co (P)
All cities and townships except Shelton City
Litchfield Co (P)
Bridgewater Town, New Milford Town
NEW JERSEY (Region II)
Bergen Co
Essex Co
Hudson Co
Hunterdon Co
Middlesex Co
Monmouth Co
Morris Co
Ocean Co
Passaic Co
Somerset Co
Sussex Co
Union Co
NEW YORK (Region II)
Bronx Co
Kings Co
Nassau Co
New York Co
Orange Co (P)
Queens Co
Richmond Co
Rockland Co
Suffolk Co
Westchester Co
 
   Northumberland Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Northumberland Co
 
   Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD (Severe-15)
DELAWARE (Region III)
Kent Co
New Castle Co
MARYLAND (Region III)
Cecil Co
NEW JERSEY (Region II)
Burlington Co
Camden Co
Cumberland Co
Gloucester Co
Mercer Co
Salem Co
PENNSYLVANIA (Region III)
Bucks Co
Chester Co
Delaware Co
Montgomery Co
Philadelphia Co
 
   Pike Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Pike Co
 
   Portland, ME (Moderate)
MAINE (Region I)
Cumberland Co
Sagadahoc Co
York Co
 
   Portsmouth-Dover-Rochester, NH (Serious)
NEW HAMPSHIRE (Region I)
Rockingham Co (P)
Strafford Co
 
   Poughkeepsie, NY (Moderate)
NEW YORK (Region II)
Dutchess Co
Orange Co (P)
Remainder of County
Putnam Co
 
   Providence (All RI), RI (Serious)
RHODE ISLAND (Region I)
Bristol Co
Kent Co
Newport Co
Providence Co
Washington Co
 
   Reno, NV (Marginal)
NEVADA (Region IX)
Washoe Co
 
   Sacramento Metro, CA (Severe-15)
CALIFORNIA (Region IX)
El Dorado Co (P)
All of county up to Lake Tahoe
Placer Co (P)
All of county up to Lake Tahoe
Sacramento Co
Solano Co (P) Northeastern portion
Sutter Co (P) Southern portion
Yolo Co
 
   Salem, OR (Incomplete Data)
OREGON (Region X)
Marion Co (P)
Salem Area Transportation Study
Polk Co (P) Salem Area Transportation Study
 
   San Francisco Bay Area, CA (Other)
CALIFORNIA (Region IX)
Alameda Co
Contra Costa Co
Marin Co
Napa Co
San Francisco Co
San Mateo Co
Santa Clara Co
Solano Co (P)
Southeastern portion
Sonoma Co (P)
Southern portion
 
   San Joaquin Valley, CA (Extreme)
CALIFORNIA (Region IX)
Fresno Co
Kern Co (P)
Boundary between the Kern County and San Joaquin Valley air districts that generally follows the ridge line of the Sierra Nevada and Tehachapi Mountain Ranges
Kings Co
Madera Co
Merced Co
San Joaquin Co
Stanislaus Co
Tulare Co
 
   Schuylkill Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Schuylkill Co
 
   Scranton-Wilkes-Barre, PA (Marginal)
PENNSYLVANIA (Region III)
Columbia Co
Lackawanna Co
Luzerne Co
Monroe Co
Wyoming Co
 
   Smyth Co, VA (White Top Mtn) (Marginal RT)
VIRGINIA (Region III)
Smyth Co (P)
 
   Snyder Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Snyder Co
 
   Southeast Desert Modified AQMA, CA (Severe-17)
CALIFORNIA (Region IX)
Los Angeles Co (P)
Riverside Co (P)
San Bernardino Co (P)
 
   Springfield (Western MA), MA (Serious)
MASSACHUSETTS (Region I)
Berkshire Co
Franklin Co
Hampden Co
Hampshire Co
 
   Sunland Park, NM (New Area 1995) (Marginal)
NEW MEXICO (Region VI)
Dona Ana Co (P)
 
   Susquehanna Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Susquehanna Co
 
   Sussex Co, DE (Marginal)
DELAWARE (Region III)
Sussex Co
 
   Ventura Co, CA (Severe-15*)
CALIFORNIA (Region IX)
Ventura Co
 
   Warren Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Warren Co
 
   Washington, DC-MD-VA (Severe-15)
DISTRICT OF COLUMBIA (Region III)
Entire District
MARYLAND (Region III)
Calvert Co
Charles Co
Frederick Co
Montgomery Co
Prince George's Co
VIRGINIA (Region III)
Alexandria
Arlington Co
Fairfax
Fairfax Co
Falls Church
Loudoun Co
Manassas
Manassas Park
Prince William Co
Stafford Co
 
   Wayne Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Wayne Co
 
   York, PA (Marginal)
PENNSYLVANIA (Region III)
Adams Co
York Co
 
   Youngstown-Warren-Sharon, PA portion (Marginal)
PENNSYLVANIA (Region III)
Mercer Co
 
   Yuba City, CA (Section 185A)
CALIFORNIA (Region IX)
Sutter Co (P)
Northern portion
Yuba Co

Notes: (P) : A portion of the county is located within the area and was designated nonattainment on June 14, 2005. * : 5% classification change Sec. 181.(a)(3) The former 1-hour ozone designations and classifications as of June 15, 2004, are being retained in subpart C of Part 81 for purposes of the anti backsliding provisions of 40 CFR 51.905. 40 CFR 51.905(c) references subpart C of part 81 for the areas affected by the anti-backsliding regulation.

78 FR 58189, effective 10/23/2013, corrected a boundary for the land of the Morongo Band of Mission Indians, located near Banning Pass in Riverside County, identifying it as a separately designated area for the one-hour Ozone standard, independent of the Los Angeles-South Coast Air Basin Area.


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