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8-Hr Ozone (2008) Nonattainment Areas

As of July 02, 2014    |   * Design Value (DV) notes
Current and historical design value data can be found at http://www.epa.gov/airtrends/values.html
Areas Listed Alphabetically Design Values (ppm) Classification No.
Counties
NAA
2010
Population
EPA
Region
State
2008 Ozone
at Designation *
(monitored yrs)
1997 Ozone

(2008-2010)
Allentown-Bethlehem-Easton, PA 0.076 (2009-2011) 0.076 Marginal 3 712,481    3 PA
Atlanta, GA 0.080 (2009-2011) 0.080 Marginal 15 4,753,017    4 GA
Baltimore, MD 0.089 (2008-2010) 0.089 Moderate 6 2,662,691    3 MD
Baton Rouge, LA 0.078 (2008-2010) 0.078 Marginal 5 732,587    6 LA
Calaveras County, CA 0.077 (2009-2011) 0.083 Marginal 1 45,578    9 CA
Charlotte-Rock Hill, NC-SC 0.079 (2009-2011) 0.082 Marginal 8 1,901,424    4 4 NC-SC
Chicago-Naperville, IL-IN-WI 0.077 (2009-2011) 0.074 Marginal 11 9,179,738    5 5 5 IL-IN-WI
Chico (Butte County), CA 0.079 (2008-2010) 0.079 Marginal 1 220,000    9 CA
Cincinnati, OH-KY-IN 0.079 (2008-2010) 0.079 Marginal 9 1,988,951    5 4 5 OH-KY-IN
Cleveland-Akron-Lorain, OH 0.077 (2008-2010) 0.077 Marginal 8 2,881,937    5 OH
Columbus, OH 0.077 (2008-2010) 0.077 Marginal 6 1,754,632    5 OH
Dallas-Fort Worth, TX 0.086 (2008-2010) 0.086 Moderate 10 6,280,413    6 TX
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO 0.078 (2008-2010) 0.077 Marginal 9 3,330,139    8 CO
Dukes County, MA 0.076 (2009-2011) See DV Notes Marginal 1 16,535    1 MA
Greater Connecticut, CT 0.079 (2008-2010) 0.078 Marginal 5 1,629,115    1 CT
Houston-Galveston-Brazoria, TX 0.084 (2008-2010) 0.084 Marginal 8 5,891,999    6 TX
Imperial County, CA 0.078 (2008-2010) 0.078 Marginal 1 174,528    9 CA
Jamestown, NY 0.077 (2008-2010) 0.077 Marginal 1 134,905    2 NY
Kern Co (Eastern Kern), CA 0.083 (2008-2010) 0.083 Marginal 1 95,176    9 CA
Knoxville, TN 0.077 (2009-2011) 0.077 Marginal 3 573,452    4 TN
Lancaster, PA 0.077 (2009-2011) 0.077 Marginal 1 519,445    3 PA
Los Angeles-San Bernardino Counties (West Mojave Desert), CA 0.099 (2008-2010) 0.099 Severe 15 2 868,380    9 CA
Los Angeles-South Coast Air Basin, CA 0.112 (2008-2010) 0.112 Extreme 4 15,719,485    9 CA
Mariposa County, CA 0.077 (2009-2011) 0.083 Marginal 1 18,251    9 CA
Memphis, TN-MS-AR 0.076 (2008-2010) 0.076 Marginal 3 1,127,469    4 4 6 TN-MS-AR
Morongo Band of Mission Indians 0.112 (2008-2010) See DV Notes Serious 1 913    9 CA
Nevada Co. (Western part), CA 0.079 (2009-2011) 0.084 Marginal 1 82,107    9 CA
New York-N. New Jersey-Long Island, NY-NJ-CT 0.084 (2008-2010) 0.084 Marginal 24 20,217,137    2 2 1 NY-NJ-CT
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation 0.096 (2008-2010) See DV Notes Moderate 1 2,844    9 CA
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE 0.083 (2008-2010) 0.083 Marginal 16 7,437,135    3 2 3 PA-NJ-DE
Phoenix-Mesa, AZ 0.077 (2008-2010) 0.077 Marginal 2 3,849,627    9 AZ
Pittsburgh-Beaver Valley, PA 0.080 (2009-2011) 0.081 Marginal 7 2,356,285    3 PA
Reading, PA 0.077 (2009-2011) 0.079 Marginal 1 411,442    3 PA
Riverside Co, (Coachella Valley), CA 0.095 (2008-2010) 0.095 Severe 15 1 425,806    9 CA
Sacramento Metro, CA 0.095 (2009-2011) 0.102 Severe 15 6 2,241,057    9 CA
San Diego County, CA 0.082 (2009-2011) 0.088 Marginal 1 3,095,199    9 CA
San Francisco Bay Area, CA 0.080 (2008-2010) 0.080 Marginal 9 6,973,020    9 CA
San Joaquin Valley, CA 0.104 (2008-2010) 0.104 Extreme 8 3,842,365    9 CA
San Luis Obispo (Eastern San Luis Obispo), CA 0.078 (2009-2011) See DV Notes Marginal 1 1,649    9 CA
Seaford, DE 0.077 (2008-2010) See DV Notes Marginal 1 197,145    3 DE
Sheboygan County, WI 0.078 (2008-2010) 0.078 Marginal 1 115,507    5 WI
St. Louis-St. Charles-Farmington, MO-IL 0.077 (2008-2010) 0.077 Marginal 8 2,571,253    7 5 MO-IL
Tuscan Buttes, CA 0.076 (2009-2011) See DV Notes Marginal 1 0    9 CA
Upper Green River Basin Area, WY 0.078 (2008-2010) See DV Notes Marginal 3 11,498    8 WY
Ventura County, CA 0.086 (2008-2010) 0.086 Serious 1 823,262    9 CA
Washington, DC-MD-VA 0.081 (2008-2010) 0.081 Marginal 15 5,136,216    3 3 3 DC-MD-VA
 
46 Total Areas 227 123,003,795     


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