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8-Hour Ozone (1997) Designated Area Design Values - NAAQS Revoked

Data is current as of August 31, 2024
Design Values in ppm. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.

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 06/04/2024
(2021-2023)		  
Area Name  Design
Values 		 Monitoring
Years 		 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
Albany-Schenectady-Troy, NY 0.087 2001-2003 0.062 Yes Nonattainment G Marginal 970,156
Allegan County, MI 0.097 2001-2003 0.075 Yes Maintenance I Former Subpart 1 111,408
Allentown-Bethlehem-Easton, PA 0.091 2001-2003 0.067 Yes Maintenance I Former Subpart 1 712,481
Altoona, PA 0.085 2001-2003 Insufficient Data Maintenance I Former Subpart 1 127,089
Amador and Calaveras Cos. (Central Mountain Cos.), CA 0.091 2001-2003 0.066 Yes Nonattainment E Moderate 83,669
Atlanta, GA 0.091 2001-2003 0.070 Yes Maintenance E Moderate 5,260,436
Baltimore, MD 0.103 2001-2003 0.073 Yes Nonattainment D Serious 2,662,691
Baton Rouge, LA 0.086 2001-2003 0.072 Yes Maintenance E Moderate 732,587
Beaumont-Port Arthur, TX 0.091 2001-2003 0.065 Yes Maintenance E Moderate 388,745
Benton Harbor, MI 0.091 2001-2003 0.073 Yes Maintenance I Former Subpart 1 156,813
Benzie County, MI 0.088 2001-2003 0.068 Yes Maintenance I Former Subpart 1 17,525
Birmingham, AL 0.087 2001-2003 0.068 Yes Maintenance I Former Subpart 1 853,551
Boston-Lawrence-Worcester (E. Mass), MA 0.095 2001-2003 0.067 Yes Nonattainment E Moderate 5,723,468
Boston-Manchester-Portsmouth (SE), NH 0.095 2001-2003 0.067 Yes Maintenance E Moderate 740,556
Buffalo-Niagara Falls, NY 0.099 2001-2003 0.067 Yes Nonattainment E Moderate 1,135,509
Canton-Massillon, OH 0.090 2001-2003 0.066 Yes Maintenance I Former Subpart 1 375,586
Cass County, MI 0.093 2001-2003 0.070 Yes Maintenance G Marginal 52,293
Charleston, WV 0.086 2001-2003 Insufficient Data Maintenance I Former Subpart 1 248,549
Charlotte-Gastonia-Rock Hill, NC-SC 0.100 2001-2003 0.069 Yes Maintenance E Moderate 1,968,712
Chicago-Gary-Lake County, IL-IN 0.101 2001-2003 0.077 Yes Maintenance E Moderate 9,049,894
Chico, CA 0.089 2001-2003 0.067 Yes Nonattainment G Marginal 220,000
Cincinnati-Hamilton, OH-KY-IN 0.096 2001-2003 0.070 Yes Maintenance I Former Subpart 1 2,004,983
Clarksville-Hopkinsville, TN-KY 0.085 2001-2003 0.063 Yes Maintenance I Former Subpart 1 246,286
Clearfield and Indiana Counties, PA 0.090 2001-2003 Insufficient Data Maintenance I Former Subpart 1 170,522
Cleveland-Akron-Lorain, OH 0.103 2001-2003 0.073 Yes Maintenance E Moderate 2,881,937
Columbus, OH 0.095 2001-2003 0.067 Yes Maintenance I Former Subpart 1 1,754,632
Dallas-Fort Worth, TX 0.100 2001-2003 0.081 Yes Nonattainment D Serious 6,221,286
Dayton-Springfield, OH 0.090 2001-2003 0.068 Yes Maintenance I Former Subpart 1 937,565
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO 0.087 2005-2007 0.081 Yes Nonattainment G Marginal 3,330,139
Detroit-Ann Arbor, MI 0.097 2001-2003 0.071 Yes Maintenance G Marginal 4,804,635
Door County, WI 0.094 2001-2003 0.073 Yes Maintenance I Former Subpart 1 27,785
Erie, PA 0.092 2001-2003 Insufficient Data Maintenance I Former Subpart 1 280,566
Essex County (Whiteface Mtn.), NY 0.091 2001-2003 0.066 Yes Nonattainment G Marginal 465
Evansville, IN 0.085 2001-2003 0.069 Yes Maintenance I Former Subpart 1 239,392
Flint, MI 0.090 2001-2003 0.068 Yes Maintenance I Former Subpart 1 514,109
Fort Wayne, IN 0.088 2001-2003 0.069 Yes Maintenance I Former Subpart 1 355,329
Franklin County, PA 0.093 2001-2003 0.061 Yes Maintenance I Former Subpart 1 149,618
Fredericksburg, VA 0.099 2001-2003 0.062 Yes Maintenance E Moderate 275,644
Grand Rapids, MI 0.089 2001-2003 0.070 Yes Maintenance I Former Subpart 1 866,423
Greater Connecticut, CT 0.095 2001-2003 0.073 Yes Nonattainment E Moderate 1,629,115
Greene County, IN 0.088 2001-2003 0.068 Yes Maintenance I Former Subpart 1 33,165
Greene County, PA 0.089 2001-2003 Insufficient Data Maintenance I Former Subpart 1 38,686
Hancock, Knox, Lincoln and Waldo Counties (Central Maine Coast), ME 0.094 2001-2003 0.066 Yes Maintenance I Former Subpart 1 97,265
Harrisburg-Lebanon-Carlisle, PA 0.088 2001-2003 0.064 Yes Maintenance I Former Subpart 1 683,043
Haywood and Swain Counties (Great Smoky NP), NC 0.085 2001-2003 0.066 Yes Maintenance I Former Subpart 1 4,273
Houston-Galveston-Brazoria, TX 0.102 2001-2003 0.079 Yes Nonattainment C Severe 15 5,891,999
Huntington-Ashland, WV-KY 0.091 2001-2003 0.062 Yes Maintenance I Former Subpart 1 188,342
Huron County, MI 0.087 2001-2003 0.069 Yes Maintenance I Former Subpart 1 33,118
Imperial County, CA 0.087 2001-2003 0.077 Yes Nonattainment E Moderate 174,528
Indianapolis, IN 0.096 2001-2003 0.071 Yes Maintenance I Former Subpart 1 1,834,672
Inland Sheboygan County, WI 0.100 2001-2003 0.070 Yes Nonattainment E Moderate 53,851
Jackson County, IN 0.085 2001-2003 Insufficient Data Maintenance I Former Subpart 1 42,376
Jamestown, NY 0.094 2001-2003 0.069 Yes Nonattainment E Moderate 134,905
Jefferson County, NY 0.097 2001-2003 0.063 Yes Nonattainment E Moderate 116,229
Johnstown, PA 0.087 2001-2003 0.064 Yes Maintenance I Former Subpart 1 143,679
Kalamazoo-Battle Creek, MI 0.086 2001-2003 0.067 Yes Maintenance I Former Subpart 1 462,735
Kent and Queen Anne's Counties, MD 0.095 2001-2003 0.068 Yes Maintenance G Marginal 67,995
Kern County (Eastern Kern), CA 0.098 2001-2003 0.075 Yes Nonattainment E Moderate 95,314
Kewaunee County, WI 0.093 2001-2003 0.071 Yes Maintenance I Former Subpart 1 20,574
Knoxville, TN 0.092 2001-2003 0.067 Yes Maintenance I Former Subpart 1 821,883
La Porte County, IN 0.093 2001-2003 0.072 Yes Maintenance G Marginal 111,467
Lancaster, PA 0.092 2001-2003 0.064 Yes Maintenance G Marginal 519,445
Lansing-East Lansing, MI 0.086 2001-2003 0.065 Yes Maintenance I Former Subpart 1 464,036
Las Vegas, NV 0.086 2001-2003 0.074 Yes Maintenance G Marginal 1,918,819
Lima, OH 0.089 2001-2003 0.067 Yes Maintenance I Former Subpart 1 106,331
Los Angeles and San Bernardino Counties (Western Mojave Desert), CA 0.106 2001-2003 0.090 No Nonattainment C Severe 15 868,350
Los Angeles-South Coast Air Basin, CA 0.131 2001-2003 0.106 No Nonattainment A Extreme 15,715,184
Louisville, KY-IN 0.092 2001-2003 0.072 Yes Maintenance I Former Subpart 1 1,060,541
Macon, GA 0.086 2001-2003 0.062 Yes Maintenance I Former Subpart 1 158,123
Madison and Page Counties (Shenandoah NP), VA 0.087 2001-2003 0.064 Yes Maintenance I Former Subpart 1 2,026
Manitowoc County, WI 0.090 2001-2003 0.071 Yes Maintenance I Former Subpart 1 81,442
Mariposa and Tuolumne Cos. (Southern Mountain Counties), CA 0.091 2001-2003 0.073 Yes Nonattainment E Moderate 73,616
Mason County, MI 0.089 2001-2003 0.067 Yes Maintenance I Former Subpart 1 28,705
Memphis, TN-AR 0.092 2001-2003 0.072 Yes Maintenance E Moderate 978,546
Milwaukee-Racine, WI 0.101 2001-2003 0.077 Yes Maintenance E Moderate 1,917,742
Morongo Band of Mission Indians, CA 0.094 No Nonattainment B Severe 17 913
Muncie, IN 0.088 2001-2003 0.067 Yes Maintenance I Former Subpart 1 117,671
Murray County (Chattahoochee Nat Forest), GA 0.085 2001-2003 0.066 Yes Maintenance I Former Subpart 1 6,231
Muskegon, MI 0.095 2001-2003 0.077 Yes Maintenance G Marginal 172,188
Nevada County (Western part), CA 0.098 2001-2003 Insufficient Data Nonattainment E Moderate 82,393
New York-N. New Jersey-Long Island, NY-NJ-CT 0.102 2001-2003 0.082 Yes Nonattainment E Moderate 20,217,137
Norfolk-Virginia Beach-Newport News (Hampton Roads), VA 0.090 2001-2003 0.062 Yes Maintenance G Marginal 1,632,100
Parkersburg-Marietta, WV-OH 0.087 2001-2003 0.063 Yes Maintenance I Former Subpart 1 148,734
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation Insufficient Data Maintenance B Severe 17 2,844
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE 0.106 2001-2003 0.073 Yes Nonattainment E Moderate 7,796,590
Phoenix-Mesa, AZ 0.087 2001-2003 0.080 Yes Maintenance G Marginal 3,848,627
Pittsburgh-Beaver Valley, PA 0.094 2001-2003 0.067 Yes Nonattainment E Moderate 2,356,285
Portland, ME 0.091 2001-2003 0.064 Yes Maintenance G Marginal 481,641
Poughkeepsie, NY 0.094 2001-2003 0.064 Yes Nonattainment E Moderate 770,011
Providence (all of RI), RI 0.095 2001-2003 0.068 Yes Nonattainment E Moderate 1,052,567
Raleigh-Durham-Chapel Hill, NC 0.094 2001-2003 0.064 Yes Maintenance I Former Subpart 1 1,663,630
Reading, PA 0.091 2001-2003 Insufficient Data Maintenance I Former Subpart 1 411,442
Richmond-Petersburg, VA 0.094 2001-2003 0.063 Yes Maintenance G Marginal 1,042,651
Riverside County (Coachella Valley), CA 0.108 2001-2003 0.085 No Nonattainment A Extreme 425,425
Rochester, NY 0.088 2001-2003 0.067 Yes Nonattainment G Marginal 1,114,402
Rocky Mount, NC 0.089 2001-2003 0.062 Yes Maintenance I Former Subpart 1 152,392
Sacramento Metro, CA 0.107 2001-2003 0.075 Yes Nonattainment C Severe 15 2,243,911
San Diego, CA 0.093 2001-2003 0.079 Yes Maintenance E Moderate 3,093,345
San Francisco Bay Area, CA 0.086 2001-2003 0.070 Yes Nonattainment G Marginal 6,970,997
San Joaquin Valley, CA 0.115 2001-2003 0.090 No Nonattainment A Extreme 3,842,586
Scranton-Wilkes-Barre, PA 0.086 2001-2003 0.063 Yes Maintenance I Former Subpart 1 733,473
Shoreline Sheboygan County, WI 0.077 Yes Nonattainment E Moderate 61,656
South Bend-Elkhart, IN 0.093 2001-2003 0.070 Yes Maintenance I Former Subpart 1 464,490
Springfield (W. Mass), MA 0.094 2001-2003 0.064 Yes Nonattainment E Moderate 824,161
St. Louis, MO-IL 0.092 2001-2003 0.074 Yes Maintenance E Moderate 2,594,238
State College, PA 0.088 2001-2003 0.064 Yes Maintenance I Former Subpart 1 153,990
Steubenville-Weirton, OH-WV 0.086 2001-2003 0.066 Yes Maintenance I Former Subpart 1 124,454
Sutter County (part) (Sutter Buttes), CA 0.088 2001-2003 0.071 Yes Nonattainment G Marginal 33
Terre Haute, IN 0.087 2001-2003 0.067 Yes Maintenance I Former Subpart 1 107,848
Tioga County, PA 0.086 2001-2003 0.062 Yes Maintenance I Former Subpart 1 41,981
Toledo, OH 0.093 2001-2003 0.072 Yes Maintenance I Former Subpart 1 567,303
Ventura County (part), CA 0.095 2001-2003 0.075 Yes Nonattainment D Serious 823,360
Washington, DC-MD-VA 0.099 2001-2003 0.071 Yes Nonattainment E Moderate 5,136,216
Wheeling, WV-OH 0.087 2001-2003 0.062 Yes Maintenance I Former Subpart 1 147,950
York, PA 0.089 2001-2003 0.065 Yes Maintenance I Former Subpart 1 536,379
Youngstown-Warren-Sharon, OH-PA 0.095 2001-2003 0.067 Yes Maintenance I Former Subpart 1 673,614

1 See the Air Quality Design Value site spreadsheet footnotes for information about "Insufficient Data" Meets NAAQS Determinations.
Design Values in ppm. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.

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

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