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Green Book Nonattainment Areas

PM-2.5 (1997) Nonattainment Areas

As of June 17, 2016    |   * Design Value notes
Current and historical design value data can be found at https://www.epa.gov/airtrends/values.html
Areas Listed Alphabetically Design Values
at Designation
Classification No. Counties NAA 2010 Population EPA Region State
2001-2003
(ug/m3)
Knoxville, TN 16.8    Moderate 5 681,523 4 TN
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
San Joaquin Valley, CA 21.8    Serious 8 3,842,165 9 CA
St. Louis, MO-IL 17.5    Moderate 9 2,572,706 7-5 MO-IL
 
7 Total Areas 33 23,861,851  

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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