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1-Hour Ozone (1979) Nonattainment Area State/Area/County Report - NAAQS Revoked

As of September 22, 2016
CALIFORNIA (Region IX)
  Chico, CA (Section 185A - Nonattainment)
Butte Co
 
  Imperial Co, CA (Section 185A - Nonattainment)
Imperial Co
 
  Los Angeles-South Coast Air Basin, CA (Extreme - Nonattainment)
Los Angeles Co (P)
Orange Co
Riverside Co (P)
San Bernardino Co (P)
 
  Morongo Band of Mission Indians (Severe 17 - Nonattainment)
Riverside Co (P)
 
  Sacramento Metro, CA (Severe 15 - Nonattainment)
El Dorado Co (P)
(excluding Lake Tahoe Air Basin)
Placer Co (P)
(excluding Lake Tahoe Air Basin)
Sacramento Co
Solano Co (P)
Northeastern portion
Sutter Co (P)
Southern portion
Yolo Co
 
  San Francisco Bay Area, CA (Other - Nonattainment)
Alameda Co
Contra Costa Co
Marin Co
Napa Co
San Francisco Co
San Mateo Co
Santa Clara Co
Solano Co (P)
Southwestern portion
Sonoma Co (P)
Southern portion
 
  San Joaquin Valley, CA (Extreme - Nonattainment)
Fresno Co
Kern Co (P)
Kings Co
Madera Co
Merced Co
San Joaquin Co
Stanislaus Co
Tulare Co
 
  Southeast Desert Modified AQMA, CA (Severe 17 - Nonattainment)
Los Angeles Co (P)
Riverside Co (P)
San Bernardino Co (P)
 
  Ventura Co, CA (Severe 15 - Nonattainment)
Ventura Co
 
  Yuba City, CA (Section 185A - Nonattainment)
Sutter Co (P)
Northern portion
Yuba Co
 
CONNECTICUT (Region I)
  Greater Connecticut, CT (Serious - Nonattainment)
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
 
  New York-N. New Jersey-Long Island, NY-NJ-CT (Severe 17 - Nonattainment)
Fairfield Co (P)
All cities and townships except Shelton City
Litchfield Co (P)
Bridgewater Town, New Milford Town
 
DELAWARE (Region III)
  Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD (Severe 15 - Nonattainment)
Kent Co
New Castle Co
 
  Sussex Co, DE (Marginal - Nonattainment)
Sussex Co
 
DISTRICT OF COLUMBIA (Region III)
  Washington, DC-MD-VA (Severe 15 - Nonattainment)
Entire District
 
ILLINOIS (Region V)
  Chicago-Gary-Lake County, IL-IN (Severe 17 - Nonattainment)
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)
  Chicago-Gary-Lake County, IL-IN (Severe 17 - Nonattainment)
Lake Co
Porter Co
 
LOUISIANA (Region VI)
  Baton Rouge, LA (Severe 15 - Nonattainment)
Ascension Par
East Baton Rouge Par
Iberville Par
Livingston Par
West Baton Rouge Par
 
MAINE (Region I)
  Knox & Lincoln Co.s, ME (Moderate - Nonattainment)
Knox Co
Lincoln Co
 
  Lewiston-Auburn, ME (Moderate - Nonattainment)
Androscoggin Co
Kennebec Co
 
  Portland, ME (Moderate - Nonattainment)
Cumberland Co
Sagadahoc Co
York Co
 
MARYLAND (Region III)
  Baltimore, MD (Severe 15 - Nonattainment)
Anne Arundel Co
Baltimore (City)
Baltimore Co
Carroll Co
Harford Co
Howard Co
 
  Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD (Severe 15 - Nonattainment)
Cecil Co
 
  Washington, DC-MD-VA (Severe 15 - Nonattainment)
Calvert Co
Charles Co
Frederick Co
Montgomery Co
Prince George's Co
 
MASSACHUSETTS (Region I)
  Boston-Lawrence-Worcester (E. Mass), MA-NH (Serious - Nonattainment)
Barnstable Co
Bristol Co
Dukes Co
Essex Co
Middlesex Co
Nantucket Co
Norfolk Co
Plymouth Co
Suffolk Co
Worcester Co
 
  Springfield (Western MA), MA (Serious - Nonattainment)
Berkshire Co
Franklin Co
Hampden Co
Hampshire Co
 
NEVADA (Region IX)
  Reno, NV (Marginal - Nonattainment)
Washoe Co
 
NEW HAMPSHIRE (Region I)
  Boston-Lawrence-Worcester (E. Mass), MA-NH (Serious - Nonattainment)
Hillsborough Co (P)
Rockingham Co (P)
 
  Cheshire Co, NH (Incomplete Data - Nonattainment)
Cheshire Co
 
  Manchester, NH (Marginal - Nonattainment)
Hillsborough Co (P)
Merrimack Co
Rockingham Co (P)
 
  Portsmouth-Dover-Rochester, NH (Serious - Nonattainment)
Rockingham Co (P)
Strafford Co
 
NEW JERSEY (Region II)
  Allentown-Bethlehem-Easton, PA-NJ (Marginal - Nonattainment)
Warren Co
 
  Atlantic City, NJ (Moderate - Nonattainment)
Atlantic Co
Cape May Co
 
  New York-N. New Jersey-Long Island, NY-NJ-CT (Severe 17 - Nonattainment)
Bergen Co
Essex Co
Hudson Co
Hunterdon Co
Middlesex Co
Monmouth Co
Morris Co
Ocean Co
Passaic Co
Somerset Co
Sussex Co
Union Co
 
  Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD (Severe 15 - Nonattainment)
Burlington Co
Camden Co
Cumberland Co
Gloucester Co
Mercer Co
Salem Co
 
NEW MEXICO (Region VI)
  Sunland Park, NM (New Area 1995) (Marginal - Nonattainment)
Dona Ana Co (P)
 
NEW YORK (Region II)
  Albany-Schenectady-Troy, NY (Marginal - Nonattainment)
Albany Co
Greene Co
Montgomery Co
Rensselaer Co
Saratoga Co
Schenectady Co
 
  Buffalo-Niagara Falls, NY (Marginal - Nonattainment)
Erie Co
Niagara Co
 
  Essex Co, NY (Rural Transport (Marginal) - Nonattainment)
Essex Co (P)
 
  Jefferson Co, NY (Marginal - Nonattainment)
Jefferson Co
 
  New York-N. New Jersey-Long Island, NY-NJ-CT (Severe 17 - Nonattainment)
Bronx Co
Kings Co
Nassau Co
New York Co
Orange Co (P)
Queens Co
Richmond Co
Rockland Co
Suffolk Co
Westchester Co
 
  Poughkeepsie, NY (Moderate - Nonattainment)
Dutchess Co
Orange Co (P)
Remainder of County
Putnam Co
 
OREGON (Region X)
  Salem, OR (Incomplete Data - Nonattainment)
Marion Co (P)
Salem Area Transportation Study
Polk Co (P)
Salem Area Transportation Study
 
PENNSYLVANIA (Region III)
  Allentown-Bethlehem-Easton, PA-NJ (Marginal - Nonattainment)
Carbon Co
Lehigh Co
Northampton Co
 
  Altoona, PA (Marginal - Nonattainment)
Blair Co
 
  Crawford Co, PA (Incomplete Data - Nonattainment)
Crawford Co
 
  Erie, PA (Marginal - Nonattainment)
Erie Co
 
  Franklin Co, PA (Incomplete Data - Nonattainment)
Franklin Co
 
  Greene Co, PA (Incomplete Data - Nonattainment)
Greene Co
 
  Harrisburg-Lebanon-Carlisle, PA (Marginal - Nonattainment)
Cumberland Co
Dauphin Co
Lebanon Co
Perry Co
 
  Johnstown, PA (Marginal - Nonattainment)
Cambria Co
Somerset Co
 
  Juniata Co, PA (Incomplete Data - Nonattainment)
Juniata Co
 
  Lancaster, PA (Marginal - Nonattainment)
Lancaster Co
 
  Lawrence Co, PA (Incomplete Data - Nonattainment)
Lawrence Co
 
  Northumberland Co, PA (Incomplete Data - Nonattainment)
Northumberland Co
 
  Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD (Severe 15 - Nonattainment)
Bucks Co
Chester Co
Delaware Co
Montgomery Co
Philadelphia Co
 
  Pike Co, PA (Incomplete Data - Nonattainment)
Pike Co
 
  Schuylkill Co, PA (Incomplete Data - Nonattainment)
Schuylkill Co
 
  Scranton-Wilkes-Barre, PA (Marginal - Nonattainment)
Columbia Co
Lackawanna Co
Luzerne Co
Monroe Co
Wyoming Co
 
  Snyder Co, PA (Incomplete Data - Nonattainment)
Snyder Co
 
  Susquehanna Co, PA (Incomplete Data - Nonattainment)
Susquehanna Co
 
  Warren Co, PA (Incomplete Data - Nonattainment)
Warren Co
 
  Wayne Co, PA (Incomplete Data - Nonattainment)
Wayne Co
 
  York, PA (Marginal - Nonattainment)
Adams Co
York Co
 
  Youngstown-Warren-Sharon, OH-PA (PA portion) (Marginal - Nonattainment)
Mercer Co
 
RHODE ISLAND (Region I)
  Providence (all of RI), RI (Serious - Nonattainment)
Bristol Co
Kent Co
Newport Co
Providence Co
Washington Co
 
TEXAS (Region VI)
  Beaumont-Port Arthur, TX (Serious - Nonattainment)
Hardin Co
Jefferson Co
Orange Co
 
  Dallas-Fort Worth, TX (Serious - Nonattainment)
Collin Co
Dallas Co
Denton Co
Tarrant Co
 
  El Paso, TX (Serious - Nonattainment)
El Paso Co
 
  Houston-Galveston-Brazoria, TX (Severe 17 - Nonattainment)
Brazoria Co
Chambers Co
Fort Bend Co
Galveston Co
Harris Co
Liberty Co
Montgomery Co
Waller Co
 
VIRGINIA (Region III)
  Smyth Co, VA (White Top Mtn) (Rural Transport (Marginal) - Nonattainment)
Smyth Co (P)
 
  Washington, DC-MD-VA (Severe 15 - Nonattainment)
Alexandria
Arlington Co
Fairfax
Fairfax Co
Falls Church
Loudoun Co
Manassas
Manassas Park
Prince William Co
Stafford Co
 
WISCONSIN (Region V)
  Milwaukee-Racine, WI (Severe 17 - Nonattainment)
Kenosha Co
Milwaukee Co
Ozaukee Co
Racine Co
Washington Co
Waukesha 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.


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