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PM-2.5 (1997) Designated Area/State Information with 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  State  Current Status  class sort Current
Classification
or at Redesignation
 
Annual
Design
Values
 
Monitoring
Years
 
Annual
Design Values
 
Meets
NAAQS
Determin.1
 
No.
Ctys
 
2010
Population
 
EPA
Region
 
click area name for state/county list click for
classification history
 
Total
Areas

Total
Ctys
Total
Population
(2010)
 
Nonattainment 4 14 19,588,718  
Maintenance 35 195 74,527,359  
Nonattainment and Maintenance 39 208 94,116,077  
Atlanta, GA GA Maintenance * B Moderate 18.0 2001-2003 10.5 Yes 22 5,265,299 04
Baltimore, MD MD Maintenance * B Moderate 16.7 2001-2003 9.1 Yes 6 2,662,691 03
Birmingham, AL AL Maintenance * C Former Subpart 1 18.0 2001-2003 11.0 Yes 3 857,680 04
Canton-Massillon, OH OH Maintenance * C Former Subpart 1 17.3 2001-2003 10.1 Yes 1 375,586 05
Charleston, WV WV Maintenance * C Former Subpart 1 17.1 2001-2003 8.2 Yes 2 248,549 03
Chattanooga, TN-GA-AL AL Maintenance * B Moderate 16.1 2001-2003 9.0 Yes 1 1,760 04
Chattanooga, TN-GA-AL GA Maintenance * B Moderate 16.1 2001-2003 9.0 Yes 2 132,698 04
Chattanooga, TN-GA-AL TN Maintenance * B Moderate 16.1 2001-2003 9.0 Yes 1 336,463 04
Chicago-Gary-Lake County, IL-IN IL Maintenance * C Former Subpart 1 17.7 2001-2003 10.5 Yes 8 8,389,546 05
Chicago-Gary-Lake County, IL-IN IN Maintenance * C Former Subpart 1 17.7 2001-2003 10.5 Yes 2 660,348 05
Cincinnati-Hamilton, OH-KY-IN IN Maintenance * C Former Subpart 1 17.8 2001-2003 11.1 Yes 1 13,516 05
Cincinnati-Hamilton, OH-KY-IN KY Maintenance * C Former Subpart 1 17.8 2001-2003 11.1 Yes 3 368,867 04
Cincinnati-Hamilton, OH-KY-IN OH Maintenance * C Former Subpart 1 17.8 2001-2003 11.1 Yes 4 1,580,560 05
Cleveland-Akron-Lorain, OH OH Maintenance * C Former Subpart 1 18.3 2001-2003 11.7 Yes 7 2,709,565 05
Columbus, OH OH Maintenance * C Former Subpart 1 16.7 2001-2003 9.0 Yes 5 1,651,811 05
Dayton-Springfield, OH OH Maintenance * C Former Subpart 1 15.2 2001-2003 8.9 Yes 3 835,059 05
Detroit-Ann Arbor, MI MI Maintenance * C Former Subpart 1 19.5 2001-2003 11.2 Yes 7 4,704,743 05
Evansville, IN IN Maintenance * C Former Subpart 1 16.2 2001-2003 9.3 Yes 6 296,995 05
Greensboro-Winston Salem-High Point, NC NC Maintenance * C Former Subpart 1 15.8 2001-2003 8.4 Yes 2 651,284 04
Harrisburg-Lebanon-Carlisle, PA PA Maintenance * B Moderate 15.8 2001-2003 10.1 Yes 3 637,074 03
Hickory-Morganton-Lenoir, NC NC Maintenance * C Former Subpart 1 15.5 2001-2003 8.7 Yes 1 154,358 04
Huntington-Ashland, WV-KY-OH KY Maintenance * C Former Subpart 1 17.2 2001-2003 8.2 Yes 2 52,397 04
Huntington-Ashland, WV-KY-OH OH Maintenance * C Former Subpart 1 17.2 2001-2003 8.2 Yes 4 149,579 05
Huntington-Ashland, WV-KY-OH WV Maintenance * C Former Subpart 1 17.2 2001-2003 8.2 Yes 3 141,206 03
Indianapolis, IN IN Maintenance * C Former Subpart 1 16.7 2001-2003 10.5 Yes 5 1,531,958 05
Johnstown, PA PA Maintenance * B Moderate 15.8 2001-2003 10.8 Yes 2 156,923 03
Knoxville, TN TN Maintenance * B Moderate 16.8 2001-2003 10.0 Yes 5 681,523 04
Lancaster, PA PA Maintenance * B Moderate 17.0 2001-2003 10.8 Yes 1 519,445 03
Libby, MT MT Nonattainment B Moderate 16.2 2001-2003 13.0 Yes 1 9,429 08
Liberty-Clairton, PA PA Nonattainment B Moderate 21.2 2001-2003 13.0 Yes 1 20,789 03
Los Angeles-South Coast Air Basin, CA CA Nonattainment B Moderate 27.8 2001-2003 14.7 Yes 4 15,716,335 09
Louisville, KY-IN IN Maintenance * B Moderate 16.9 2001-2003 9.7 Yes 3 203,489 05
Louisville, KY-IN KY Maintenance * B Moderate 16.9 2001-2003 9.7 Yes 2 815,415 04
Macon, GA GA Maintenance * C Former Subpart 1 15.2 2001-2003 9.6 Yes 2 158,123 04
Martinsburg, WV-Hagerstown, MD MD Maintenance * B Moderate 16.3 2001-2003 9.3 Yes 1 147,430 03
Martinsburg, WV-Hagerstown, MD WV Maintenance * B Moderate 16.3 2001-2003 9.3 Yes 1 104,169 03
New York-N. New Jersey-Long Island, NY-NJ-CT CT Maintenance * C Former Subpart 1 17.7 2001-2003 9.7 Yes 2 1,779,306 01
New York-N. New Jersey-Long Island, NY-NJ-CT NJ Maintenance * C Former Subpart 1 17.7 2001-2003 9.7 Yes 10 5,983,547 02
New York-N. New Jersey-Long Island, NY-NJ-CT NY Maintenance * C Former Subpart 1 17.7 2001-2003 9.7 Yes 10 12,641,628 02
Parkersburg-Marietta, WV-OH OH Maintenance * C Former Subpart 1 16.0 2001-2003 8.5 Yes 1 61,778 05
Parkersburg-Marietta, WV-OH WV Maintenance * C Former Subpart 1 16.0 2001-2003 8.5 Yes 2 88,538 03
Philadelphia-Wilmington, PA-NJ-DE DE Maintenance * B Moderate 16.4 2001-2003 10.6 Yes 1 538,479 03
Philadelphia-Wilmington, PA-NJ-DE NJ Maintenance * C Former Subpart 1 16.4 2001-2003 10.6 Yes 3 1,250,679 02
Philadelphia-Wilmington, PA-NJ-DE PA Maintenance * B Moderate 16.4 2001-2003 10.6 Yes 5 4,008,994 03
Pittsburgh-Beaver Valley, PA PA Maintenance * B Moderate 21.2 2001-2003 10.8 Yes 8 2,142,981 03
Reading, PA PA Maintenance * B Moderate 16.4 2001-2003 9.1 Yes 1 411,442 03
Rome, GA GA Maintenance * C Former Subpart 1 15.7 2001-2003 1 96,317 04
San Joaquin Valley, CA CA Nonattainment A Serious 21.8 2001-2003 22.2 No 8 3,842,165 09
St. Louis, MO-IL IL Maintenance * B Moderate 17.5 2001-2003 10.7 Yes 4 573,748 05
St. Louis, MO-IL MO Maintenance * B Moderate 17.5 2001-2003 10.7 Yes 5 1,998,958 07
Steubenville-Weirton, OH-WV OH Maintenance * C Former Subpart 1 17.8 2001-2003 9.8 Yes 1 69,709 05
Steubenville-Weirton, OH-WV WV Maintenance * C Former Subpart 1 17.8 2001-2003 9.8 Yes 2 54,745 03
Washington, DC-MD-VA DC Maintenance * B Moderate 15.8 2001-2003 9.2 Yes 1 601,723 03
Washington, DC-MD-VA MD Maintenance * B Moderate 15.8 2001-2003 9.2 Yes 4 2,215,133 03
Washington, DC-MD-VA VA Maintenance * B Moderate 15.8 2001-2003 9.2 Yes 9 2,230,623 03
Wheeling, WV-OH OH Maintenance * C Former Subpart 1 15.7 2001-2003 9.6 Yes 1 70,400 05
Wheeling, WV-OH WV Maintenance * C Former Subpart 1 15.7 2001-2003 9.6 Yes 2 77,550 03
York, PA PA Maintenance * B Moderate 17.3 2001-2003 9.6 Yes 1 434,972 03

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)


County subtotals and grand totals may not equal sum of the counties. Part counties are only counted one time within groupings. Multi-state nonattainment areas are counted in totals as maintenance areas when all states in the area have been redesignated. Multi-state areas are counted only once in area totals.

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