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PM-2.5 (1997) Designated Area Design Values

Data is current as of May 31, 2019

PM-2.5 (1997) Notes Design Values in µg/m3. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.

* The 1997 Primary Annual PM-2.5 NAAQS (level of 15 µg/m3) is revoked in attainment and maintenance areas for that NAAQS. For additional information see the PM-2.5 NAAQS SIP Requirements Final Rule, effective October 24, 2016. (81 FR 58009)

Display:       Nonattainment and Maintenance Areas       Nonattainment Areas       Maintenance Areas
Click underlined column heading to change report order Design Values
at the Time of Designation
Current Design Values
as of 07/23/2018
(2015-2017)
 
Area Name  Annual
Design
Values
 
Monitoring
Years
 
Annual
Design Values
 
Meets
NAAQS
Determin.1
 
Current Status  class sort Current
Classification
or at Redesignation
 
2010
Population
 
click area name for state/county list click for
classif. history
Atlanta, GA 18.0 2001-2003 10.5 Yes Maintenance * B Moderate 5,265,299
Baltimore, MD 16.7 2001-2003 9.1 Yes Maintenance * B Moderate 2,662,691
Birmingham, AL 18.0 2001-2003 11.0 Yes Maintenance * C Former Subpart 1 857,680
Canton-Massillon, OH 17.3 2001-2003 10.1 Yes Maintenance * C Former Subpart 1 375,586
Charleston, WV 17.1 2001-2003 8.2 Yes Maintenance * C Former Subpart 1 248,549
Chattanooga, TN-GA-AL 16.1 2001-2003 9.0 Yes Maintenance * B Moderate 470,921
Chicago-Gary-Lake County, IL-IN 17.7 2001-2003 10.5 Yes Maintenance * C Former Subpart 1 9,049,894
Cincinnati-Hamilton, OH-KY-IN 17.8 2001-2003 11.1 Yes Maintenance * C Former Subpart 1 1,962,943
Cleveland-Akron-Lorain, OH 18.3 2001-2003 11.7 Yes Maintenance * C Former Subpart 1 2,709,565
Columbus, OH 16.7 2001-2003 9.0 Yes Maintenance * C Former Subpart 1 1,651,811
Dayton-Springfield, OH 15.2 2001-2003 8.9 Yes Maintenance * C Former Subpart 1 835,059
Detroit-Ann Arbor, MI 19.5 2001-2003 11.2 Yes Maintenance * C Former Subpart 1 4,704,743
Evansville, IN 16.2 2001-2003 9.3 Yes Maintenance * C Former Subpart 1 296,995
Greensboro-Winston Salem-High Point, NC 15.8 2001-2003 8.4 Yes Maintenance * C Former Subpart 1 651,284
Harrisburg-Lebanon-Carlisle, PA 15.8 2001-2003 10.1 Yes Maintenance * B Moderate 637,074
Hickory-Morganton-Lenoir, NC 15.5 2001-2003 8.7 Yes Maintenance * C Former Subpart 1 154,358
Huntington-Ashland, WV-KY-OH 17.2 2001-2003 8.2 Yes Maintenance * C Former Subpart 1 343,182
Indianapolis, IN 16.7 2001-2003 10.5 Yes Maintenance * C Former Subpart 1 1,531,958
Johnstown, PA 15.8 2001-2003 10.8 Yes Maintenance * B Moderate 156,923
Knoxville, TN 16.8 2001-2003 10.0 Yes Maintenance * B Moderate 681,523
Lancaster, PA 17.0 2001-2003 10.8 Yes Maintenance * B Moderate 519,445
Libby, MT 16.2 2001-2003 13.0 Yes Nonattainment B Moderate 9,429
Liberty-Clairton, PA 21.2 2001-2003 13.0 Yes Nonattainment B Moderate 20,789
Los Angeles-South Coast Air Basin, CA 27.8 2001-2003 14.7 Yes Nonattainment B Moderate 15,716,335
Louisville, KY-IN 16.9 2001-2003 9.7 Yes Maintenance * B Moderate 1,018,904
Macon, GA 15.2 2001-2003 9.6 Yes Maintenance * C Former Subpart 1 158,123
Martinsburg, WV-Hagerstown, MD 16.3 2001-2003 9.3 Yes Maintenance * B Moderate 251,599
New York-N. New Jersey-Long Island, NY-NJ-CT 17.7 2001-2003 9.7 Yes Maintenance * C Former Subpart 1 20,404,481
Parkersburg-Marietta, WV-OH 16.0 2001-2003 8.5 Yes Maintenance * C Former Subpart 1 150,316
Philadelphia-Wilmington, PA-NJ-DE 16.4 2001-2003 10.6 Yes Maintenance * C Former Subpart 1 5,798,152
Philadelphia-Wilmington, PA-NJ-DE 16.4 2001-2003 10.6 Yes Maintenance * B Moderate 5,798,152
Pittsburgh-Beaver Valley, PA 21.2 2001-2003 10.8 Yes Maintenance * B Moderate 2,142,981
Reading, PA 16.4 2001-2003 9.1 Yes Maintenance * B Moderate 411,442
Rome, GA 15.7 2001-2003 Maintenance * C Former Subpart 1 96,317
San Joaquin Valley, CA 21.8 2001-2003 22.2 No Nonattainment A Serious 3,842,165
St. Louis, MO-IL 17.5 2001-2003 10.7 Yes Maintenance * B Moderate 2,572,706
Steubenville-Weirton, OH-WV 17.8 2001-2003 9.8 Yes Maintenance * C Former Subpart 1 124,454
Washington, DC-MD-VA 15.8 2001-2003 9.2 Yes Maintenance * B Moderate 5,047,479
Wheeling, WV-OH 15.7 2001-2003 9.6 Yes Maintenance * C Former Subpart 1 147,950
York, PA 17.3 2001-2003 9.6 Yes Maintenance * B Moderate 434,972

1 See the Air Quality Design Value site spreadsheet footnotes for information about "Insufficient Data" Meets NAAQS Determinations.

PM-2.5 (1997) Notes Design Values in µg/m3. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.

* The 1997 Primary Annual PM-2.5 NAAQS (level of 15 µg/m3) is revoked in attainment and maintenance areas for that NAAQS. For additional information see the PM-2.5 NAAQS SIP Requirements Final Rule, effective October 24, 2016. (81 FR 58009)


Multi-state areas are counted in maintenance totals when all states in the area have been redesignated.

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