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8-Hour Ozone (2015) Nonattainment Area State/Area/County Report

Data is current as of May 31, 2022


ARIZONA (Region IX)
  Phoenix-Mesa, AZ (Marginal - Nonattainment)
Gila County (P)
Maricopa County (P)
Pinal County (P)
 
  Yuma, AZ (Marginal - Nonattainment)
Yuma County (P)
 
CALIFORNIA (Region IX)
  Amador County, CA (Marginal - Nonattainment)
Amador County
 
  Butte County, CA (Marginal - Nonattainment)
Butte County
 
  Calaveras County, CA (Marginal - Nonattainment)
Calaveras County
 
  Imperial County, CA (Marginal - Nonattainment)
Imperial County
 
  Kern County (Eastern Kern), CA (Serious - 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 (Marginal - Nonattainment)
Mariposa County
 
  Morongo Band of Mission Indians, CA (Serious - 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 (Marginal - Nonattainment)
Riverside County (P)
San Diego County (P)
 
  Riverside County (Coachella Valley), CA (Severe 15 - Nonattainment)
Riverside County (P)
 
  Sacramento Metro, CA (Serious - 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 part), CA (Marginal - Nonattainment)
San Luis Obispo County (P)
 
  Sutter Buttes, CA (Marginal - Nonattainment)
Sutter County (P)
That portion of the Sutter Buttes mountain range at or above 2,000 feet in elevation
 
  Tuolumne County, CA (Marginal - Nonattainment)
Tuolumne County
 
  Tuscan Buttes, CA (Marginal (Rural Transport) - Nonattainment)
Tehama County (P)
Those portions of the immediate Tuscan Buttes area at or above 1,800 feet in elevation
 
  Ventura County, CA (Serious - Nonattainment)
Ventura County (P)
That part of Ventura County excluding the Channel Islands of Anacapa and San Nicolas Islands
 
COLORADO (Region VIII)
  Denver Metro/North Front Range, CO (Marginal - Nonattainment)
Adams County
Arapahoe County
Boulder County
Broomfield County
Denver County
Douglas County
Jefferson County
Larimer County (P)
Weld County
 
CONNECTICUT (Region I)
  Greater Connecticut, CT (Marginal - Nonattainment)
Hartford County
Litchfield County
New London County
Tolland County
Windham County
 
  New York-Northern New Jersey-Long Island, NY-NJ-CT (Moderate - Nonattainment)
Fairfield County
Middlesex County
New Haven County
 
DELAWARE (Region III)
  Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE (Marginal - Nonattainment)
New Castle County
 
DISTRICT OF COLUMBIA (Region III)
  Washington, DC-MD-VA (Marginal - Nonattainment)
District of Columbia
 
GEORGIA (Region IV)
  Atlanta, GA (Marginal - Nonattainment)
Bartow County
Clayton County
Cobb County
DeKalb County
Fulton County
Gwinnett County
Henry County
 
ILLINOIS (Region V)
  Chicago, IL-IN-WI (Marginal - Nonattainment)
Cook County
DuPage County
Grundy County (P)
Aux Sable Township and Goose Lake Township
Kane County
Kendall County (P)
Oswego Township
Lake County
McHenry County
Will County
 
  St. Louis, MO-IL (Marginal - Nonattainment)
Madison County
Monroe County
St. Clair County
 
INDIANA (Region V)
  Chicago, IL-IN-WI (Marginal - Nonattainment)
Lake County (P)
Porter County (P)
 
  Louisville, KY-IN (Marginal - Nonattainment)
Clark County
Floyd County
 
KENTUCKY (Region IV)
  Cincinnati, OH-KY (Marginal - Nonattainment)
Boone County (P)
Campbell County (P)
Kenton County (P)
 
  Louisville, KY-IN (Marginal - Nonattainment)
Bullitt County
Jefferson County
Oldham County
 
MARYLAND (Region III)
  Baltimore, MD (Marginal - 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
 
  Washington, DC-MD-VA (Marginal - Nonattainment)
Calvert County
Charles County
Frederick County
Montgomery County
Prince George's County
 
MICHIGAN (Region V)
  Allegan County, MI (Marginal - Nonattainment)
Allegan County (P)
 
  Berrien County, MI (Marginal - Nonattainment)
Berrien County
 
  Detroit, MI (Marginal - Nonattainment)
Livingston County
Macomb County
Monroe County
Oakland County
St. Clair County
Washtenaw County
Wayne County
 
  Muskegon County, MI (Marginal - Nonattainment)
Muskegon County (P)
 
MISSOURI (Region VII)
  St. Louis, MO-IL (Marginal - Nonattainment)
Franklin County (P)
Boles Township
Jefferson County
St. Charles County
St. Louis County
St. Louis city
 
NEVADA (Region IX)
  Las Vegas, NV (Marginal - Nonattainment)
Clark County (P)
That portion of Clark County that lies in hydrographic area 212
 
NEW JERSEY (Region II)
  New York-Northern New Jersey-Long Island, NY-NJ-CT (Moderate - 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 MEXICO (Region VI)
  El Paso-Las Cruces, TX-NM (Marginal - Nonattainment)
Dona Ana County (P)
 
NEW YORK (Region II)
  New York-Northern New Jersey-Long Island, NY-NJ-CT (Moderate - Nonattainment)
Bronx County
Kings County
Nassau County
New York County
Queens County
Richmond County
Rockland County
Suffolk County
Westchester County
 
OHIO (Region V)
  Cincinnati, OH-KY (Marginal - Nonattainment)
Butler County
Clermont County
Hamilton County
Warren County
 
  Cleveland, OH (Marginal - Nonattainment)
Cuyahoga County
Geauga County
Lake County
Lorain County
Medina County
Portage County
Summit County
 
PENNSYLVANIA (Region III)
  Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE (Marginal - Nonattainment)
Bucks County
Chester County
Delaware County
Montgomery County
Philadelphia County
 
TEXAS (Region VI)
  Dallas-Fort Worth, TX (Marginal - Nonattainment)
Collin County
Dallas County
Denton County
Ellis County
Johnson County
Kaufman County
Parker County
Tarrant County
Wise County
 
  El Paso-Las Cruces, TX-NM (Marginal - Nonattainment)
El Paso County
 
  Houston-Galveston-Brazoria, TX (Marginal - Nonattainment)
Brazoria County
Chambers County
Fort Bend County
Galveston County
Harris County
Montgomery County
 
  San Antonio, TX (Marginal - Nonattainment)
Bexar County
 
UTAH (Region VIII)
  Northern Wasatch Front, UT (Marginal - Nonattainment)
Davis County
Salt Lake County
Tooele County (P)
Weber County (P)
 
  Southern Wasatch Front, UT (Marginal - Nonattainment)
Utah County (P)
 
  Uinta Basin, UT (Marginal - Nonattainment)
Duchesne County (P)
Uintah County (P)
 
VIRGINIA (Region III)
  Washington, DC-MD-VA (Marginal - Nonattainment)
Alexandria city
Arlington County
Fairfax County
Fairfax city
Falls Church city
Loudoun County
Manassas Park city
Manassas city
Prince William County
 
WISCONSIN (Region V)
  Chicago, IL-IN-WI (Marginal - Nonattainment)
Kenosha County (P)
 
  Milwaukee, WI (Marginal - Nonattainment)
Milwaukee County
Ozaukee County
Racine County (P)
Washington County (P)
Waukesha County (P)
 
  Sheboygan County, WI (Marginal - Nonattainment)
Sheboygan County (P)


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