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

Data is current as of February 29, 2024


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


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