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PM-2.5 (1997) 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
at Designation
Classification No.
Counties
NAA
2010
Population
EPA
Region
State
(2001-2003)
Annual
(ug/m3)
Atlanta, GA 18.0 Moderate 22 5,265,299    4 GA
Baltimore, MD 16.7 Moderate 6 2,662,691    3 MD
Chattanooga, TN-GA-AL 16.1 Moderate 4 470,921    4 4 4 AL-TN-GA
Harrisburg-Lebanon-Carlisle, PA 15.8 Moderate 3 637,074    3 PA
Johnstown, PA 15.8 Moderate 2 156,923    3 PA
Knoxville, TN 16.8 Moderate 5 681,523    4 TN
Lancaster, PA 17.0 Moderate 1 519,445    3 PA
Libby, MT 16.2 Moderate 1 9,429    8 MT
Liberty-Clairton, PA 21.2 Moderate 1 20,789    3 PA
Los Angeles-South Coast Air Basin, CA 27.8 Moderate 4 15,716,335    9 CA
Louisville, KY-IN 16.9 Moderate 5 1,018,904    4 5 KY-IN
Martinsburg, WV-Hagerstown, MD 16.3 Moderate 2 251,599    3 3 WV-MD
Philadelphia-Wilmington, PA-NJ-DE 16.4 Moderate 9 5,798,152    3 2 3 PA-NJ-DE
Pittsburgh-Beaver Valley, PA 21.2 Moderate 8 2,142,981    3 PA
Reading, PA 16.4 Moderate 1 411,442    3 PA
San Joaquin Valley, CA 21.8 Moderate 8 3,842,165    9 CA
St. Louis, MO-IL 17.5 Moderate 9 2,572,706    7 5 MO-IL
Washington, DC-MD-VA 15.8 Moderate 14 5,047,479    3 3 3 DC-MD-VA
York, PA 17.3 Moderate 1 434,972    3 PA
 
19 Total Areas 105 47,660,829     

No. of Counties reflects the number of counties in an area, while the total count only counts a county once and doesn't double count the county if it is in more than area.

Multi-state areas are counted in the nonattainment report until all state areas have been redesignated.


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