Green Book

You are here: EPA Home > Green Book > 1-Hour Ozone (1979) Nonattainment Area Area/State/County Report - NAAQS Revoked

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

Data is current as of August 31, 2020


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

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.


Go Top