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PM-2.5 (1997) Maintenance Areas (Redesignated from Nonattainment)

As of January 30, 2015    |   * 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)
Baltimore, MD 16.7 Moderate 6 2,662,691    3 MD
Birmingham, AL 18.0 Former Subpart 1 3 857,680    4 AL
Canton-Massillon, OH 17.3 Former Subpart 1 1 375,586    5 OH
Charleston, WV 17.1 Former Subpart 1 2 248,549    3 WV
Chicago-Gary-Lake County, IL-IN 17.7 Former Subpart 1 10 9,049,894    5 5 IL-IN
Cincinnati-Hamilton, OH-KY-IN 17.8 Former Subpart 1 8 1,962,943    5 4 5 OH-KY-IN
Cleveland-Akron-Lorain, OH 18.3 Former Subpart 1 7 2,709,565    5 OH
Columbus, OH 16.7 Former Subpart 1 5 1,651,811    5 OH
Dayton-Springfield, OH 15.2 Former Subpart 1 3 835,059    5 OH
Detroit-Ann Arbor, MI 19.5 Former Subpart 1 7 4,704,743    5 MI
Evansville, IN 16.2 Former Subpart 1 6 296,995    5 IN
Greensboro-Winston Salem-High Point, NC 15.8 Former Subpart 1 2 651,284    4 NC
Harrisburg-Lebanon-Carlisle, PA 15.8 Moderate 3 637,074    3 PA
Hickory-Morganton-Lenoir, NC 15.5 Former Subpart 1 1 154,358    4 NC
Huntington-Ashland, WV-KY-OH 17.2 Former Subpart 1 9 343,182    3 4 5 WV-KY-OH
Indianapolis, IN 16.7 Former Subpart 1 5 1,531,958    5 IN
Macon, GA 15.2 Former Subpart 1 2 158,123    4 GA
Martinsburg, WV-Hagerstown, MD 16.3 Moderate 2 251,599    3 3 WV-MD
New York-N. New Jersey-Long Island, NY-NJ-CT 17.7 Former Subpart 1 22 20,404,481    2 2 1 NY-NJ-CT
Parkersburg-Marietta, WV-OH 16.0 Former Subpart 1 3 150,316    3 5 WV-OH
Rome, GA 15.7 Former Subpart 1 1 96,317    4 GA
Steubenville-Weirton, OH-WV 17.8 Former Subpart 1 3 124,454    5 3 OH-WV
Washington, DC-MD-VA 15.8 Moderate 14 5,047,479    3 3 3 DC-MD-VA
Wheeling, WV-OH 15.7 Former Subpart 1 3 147,950    3 5 WV-OH
York, PA 17.3 Moderate 1 434,972    3 PA
 
25 Total Areas 129 55,489,063     

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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