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8-Hour Ozone (2008) Nonattainment Area Area/State/County Report

Data is current as of February 29, 2024


  Allentown-Bethlehem-Easton, PA (Marginal - Nonattainment)
PENNSYLVANIA (Region III)
Carbon County
Lehigh County
Northampton County
 
  Baltimore, MD (Moderate - Nonattainment)
MARYLAND (Region III)
Anne Arundel County
Baltimore County
Baltimore city
Carroll County
Harford County
Howard County
 
  Calaveras County, CA (Marginal - Nonattainment)
CALIFORNIA (Region IX)
Calaveras County
 
  Chico (Butte County), CA (Marginal - Nonattainment)
CALIFORNIA (Region IX)
Butte County
 
  Dallas-Fort Worth, TX (Severe 15 - Nonattainment)
TEXAS (Region VI)
Collin County
Dallas County
Denton County
Ellis County
Johnson County
Kaufman County
Parker County
Rockwall County
Tarrant County
Wise County
 
  Denver-Boulder-Greeley-Ft. Collins-Loveland, CO (Severe 15 - Nonattainment)
COLORADO (Region VIII)
Adams County
Arapahoe County
Boulder County
Broomfield County
Denver County
Douglas County
Jefferson County
Larimer County (P)
Weld County (P)
 
  Dukes County, MA (Marginal - Nonattainment)
MASSACHUSETTS (Region I)
Dukes County
 
  Greater Connecticut, CT (Serious - Nonattainment)
CONNECTICUT (Region I)
Hartford County
Litchfield County
New London County
Tolland County
Windham County
 
  Houston-Galveston-Brazoria, TX (Severe 15 - Nonattainment)
TEXAS (Region VI)
Brazoria County
Chambers County
Fort Bend County
Galveston County
Harris County
Liberty County
Montgomery County
Waller County
 
  Imperial County, CA (Moderate - Nonattainment)
CALIFORNIA (Region IX)
Imperial County
 
  Jamestown, NY (Marginal - Nonattainment)
NEW YORK (Region II)
Chautauqua County
 
  Kern County (Eastern Kern), CA (Severe 15 - Nonattainment)
CALIFORNIA (Region IX)
Kern County (P)
 
  Lancaster, PA (Marginal - Nonattainment)
PENNSYLVANIA (Region III)
Lancaster County
 
  Los Angeles-San Bernardino Counties (West Mojave Desert), CA (Severe 15 - Nonattainment)
CALIFORNIA (Region IX)
Los Angeles County (P)
San Bernardino County (P)
 
  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)
 
  Mariposa County, CA (Moderate - Nonattainment)
CALIFORNIA (Region IX)
Mariposa County
 
  Morongo Band of Mission Indians, CA (Severe 15 - Nonattainment)
CALIFORNIA (Region IX)
Riverside County (P)
 
  Nevada County (Western part), CA (Serious - Nonattainment)
CALIFORNIA (Region IX)
Nevada County (P)
 
  New York-N. New Jersey-Long Island, NY-NJ-CT (Severe 15 - Nonattainment)
CONNECTICUT (Region I)
Fairfield County
Middlesex County
New Haven County
NEW JERSEY (Region II)
Bergen County
Essex County
Hudson County
Hunterdon County
Middlesex County
Monmouth County
Morris County
Passaic County
Somerset County
Sussex County
Union County
Warren County
NEW YORK (Region II)
Bronx County
Kings County
Nassau County
New York County
Queens County
Richmond County
Rockland County
Suffolk County
Westchester County
 
  Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA (Moderate - Nonattainment)
CALIFORNIA (Region IX)
Riverside County (P)
San Diego County (P)
 
  Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE (Marginal - Nonattainment)
DELAWARE (Region III)
New Castle County
MARYLAND (Region III)
Cecil County
NEW JERSEY (Region II)
Atlantic County
Burlington County
Camden County
Cape May County
Cumberland County
Gloucester County
Mercer County
Ocean County
Salem County
PENNSYLVANIA (Region III)
Bucks County
Chester County
Delaware County
Montgomery County
Philadelphia County
 
  Phoenix-Mesa, AZ (Moderate - Nonattainment)
ARIZONA (Region IX)
Maricopa County (P)
Pinal County (P)
 
  Pittsburgh-Beaver Valley, PA (Marginal - Nonattainment)
PENNSYLVANIA (Region III)
Allegheny County
Armstrong County
Beaver County
Butler County
Fayette County
Washington County
Westmoreland County
 
  Reading, PA (Marginal - Nonattainment)
PENNSYLVANIA (Region III)
Berks County
 
  Riverside County (Coachella Valley), CA (Extreme - Nonattainment)
CALIFORNIA (Region IX)
Riverside County (P)
 
  Sacramento Metro, CA (Severe 15 - Nonattainment)
CALIFORNIA (Region IX)
El Dorado County (P)
Placer County (P)
Sacramento County
Solano County (P)
Sutter County (P)
Yolo County
 
  San Diego County, CA (Severe 15 - Nonattainment)
CALIFORNIA (Region IX)
San Diego County (P)
 
  San Francisco Bay Area, CA (Marginal - 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)
Sonoma County (P)
 
  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
 
  San Luis Obispo (Eastern San Luis Obispo), CA (Marginal - Nonattainment)
CALIFORNIA (Region IX)
San Luis Obispo County (P)
 
  Seaford, DE (Marginal - Nonattainment)
DELAWARE (Region III)
Sussex County
 
  Tuscan Buttes, CA (Marginal - Nonattainment)
CALIFORNIA (Region IX)
Tehama County (P)
 
  Upper Green River Basin Area, WY (Marginal - Nonattainment)
WYOMING (Region VIII)
Lincoln County (P)
Sublette County
Sweetwater County (P)
 
  Ventura County, CA (Serious - Nonattainment)
CALIFORNIA (Region IX)
Ventura County (P)


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