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1-Hour Ozone (1979) Designated Area Design Values - NAAQS Revoked

Data is current as of October 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 05/07/2024
(2021-2023)		  
Area Name  Design
Values 		 Monitoring
Years 		 Design Values  Meets
NAAQS
Determin.1 		 Current Status  class sort Current
Classification
or at Redesignation 		 2000
Population 
click area name for state/county list click for
classif. history
Albany-Schenectady-Troy, NY 0.128 1987-1989 0.074 Yes Nonattainment G Marginal 892,196
Allegan County, MI 0.096 Yes Maintenance K Incomplete Data 105,665
Allentown-Bethlehem-Easton, PA-NJ 0.137 1987-1989 0.078 Yes Nonattainment G Marginal 740,395
Altoona, PA 0.129 1987-1989 0.079 Yes Nonattainment G Marginal 129,144
Atlanta, GA 0.162 1987-1989 0.100 Yes Maintenance C Severe-15 3,698,679
Atlantic City, NJ 0.145 1987-1989 0.072 Yes Nonattainment E Moderate 354,878
Baltimore, MD 0.194 1987-1989 0.096 Yes Nonattainment C Severe-15 2,512,431
Baton Rouge, LA 0.164 1987-1989 0.097 Yes Nonattainment C Severe-15 636,214
Beaumont-Port Arthur, TX 0.158 1987-1989 0.087 Yes Nonattainment D Serious 385,090
Beauregard Parish, LA Maintenance K Incomplete Data 32,986
Birmingham, AL 0.133 1987-1989 0.087 Yes Maintenance G Marginal 805,340
Boston-Lawrence-Worcester (E. Mass), MA-NH 0.165 1987-1989 0.084 Yes Nonattainment D Serious 5,883,482
Buffalo-Niagara Falls, NY 0.131 1987-1989 0.075 Yes Nonattainment G Marginal 1,170,111
Canton, OH 0.135 1987-1989 0.082 Yes Maintenance G Marginal 378,098
Charleston, WV 0.138 1987-1989 0.075 Yes Maintenance E Moderate 251,662
Charlotte-Gastonia, NC 0.158 1987-1989 0.091 Yes Maintenance E Moderate 885,819
Cherokee County, SC 0.132 1987-1989 Insufficient Data Maintenance G Marginal 52,537
Cheshire County, NH 0.071 Yes Nonattainment K Incomplete Data 73,825
Chicago-Gary-Lake County, IL-IN 0.190 1987-1989 0.100 Yes Nonattainment B Severe-17 8,757,808
Chico, CA 0.100 1987-1989 0.083 Yes Nonattainment J Section 185A 203,171
Cincinnati-Hamilton, OH-KY 0.157 1987-1989 0.088 Yes Maintenance E Moderate 1,840,541
Cleveland-Akron-Lorain, OH 0.157 1987-1989 0.088 Yes Maintenance E Moderate 2,945,831
Clinton County, OH 0.121 1987-1989 0.084 Yes Maintenance J Section 185A 40,543
Columbiana County, OH Maintenance K Incomplete Data 112,075
Columbus, OH 0.131 1987-1989 0.080 Yes Maintenance G Marginal 1,324,458
Crawford County, PA Nonattainment K Incomplete Data 90,366
Dallas-Fort Worth, TX 0.140 1987-1989 0.103 Yes Nonattainment D Serious 4,589,769
Dayton-Springfield, OH 0.143 1987-1989 0.080 Yes Maintenance E Moderate 950,558
Denver-Boulder, CO 0.122 1987-1989 0.102 Yes Maintenance J Section 185A 2,389,470
Detroit-Ann Arbor, MI 0.144 1987-1989 0.092 Yes Maintenance E Moderate 4,833,493
Dona Ana County (part); Sunland Park, NM 0.127 1987-1989 0.098 Yes Nonattainment G Marginal 10,306
Door County, WI 0.126 1987-1989 0.090 Yes Maintenance H Rural Transport (Marginal) 27,961
East Kern County, CA 0.170 1987-1989 0.089 Yes Maintenance D Serious 111,425
Edmonson County, KY 0.140 1987-1989 0.074 Yes Maintenance H Rural Transport (Marginal) 11,644
El Paso, TX 0.170 1987-1989 0.090 Yes Nonattainment D Serious 679,622
Erie, PA 0.129 1987-1989 0.074 Yes Nonattainment G Marginal 280,843
Essex County; Whiteface Mountain, NY 0.127 1987-1989 0.078 Yes Nonattainment H Rural Transport (Marginal) 0
Evansville, IN 0.124 1987-1989 0.079 Yes Maintenance G Marginal 171,922
Flint, MI 0.124 1987-1989 0.082 Yes Maintenance J Section 185A 436,141
Franklin County, PA 0.078 Yes Nonattainment K Incomplete Data 129,313
Grand Rapids, MI 0.143 1987-1989 0.086 Yes Maintenance E Moderate 812,649
Grant Parish, LA Maintenance K Incomplete Data 18,698
Greater Connecticut, CT 0.172 1987-1989 0.103 Yes Nonattainment D Serious 2,532,154
Greenbrier, WV 0.125 1987-1989 0.065 Yes Maintenance G Marginal 34,453
Greene County, PA 0.073 Yes Nonattainment K Incomplete Data 40,672
Greensboro-Winston-Salem-High Point, NC 0.151 1987-1989 0.077 Yes Maintenance E Moderate 874,362
Hancock County and Waldo County, ME 0.133 1987-1989 0.087 Yes Maintenance G Marginal 88,071
Harrisburg-Lebanon-Carlisle, PA 0.136 1987-1989 0.081 Yes Nonattainment G Marginal 629,401
Houston-Galveston-Brazoria, TX 0.220 1987-1989 0.124 Yes Nonattainment B Severe-17 4,669,571
Huntington-Ashland, WV-KY 0.164 1987-1989 0.077 Yes Maintenance E Moderate 206,564
Imperial County, CA 0.110 1987-1989 0.107 Yes Nonattainment J Section 185A 142,361
Indianapolis, IN 0.121 1987-1989 0.085 Yes Maintenance G Marginal 860,454
Jacksonville, FL 0.119 1987-1989 0.074 Yes Maintenance J Section 185A 778,879
Jefferson County, NY 0.143 1987-1989 0.074 Yes Nonattainment G Marginal 111,738
Jersey County, IL 0.128 1987-1989 0.090 Yes Maintenance G Marginal 21,668
Johnstown, PA 0.133 1987-1989 0.076 Yes Nonattainment G Marginal 232,621
Juniata County, PA Nonattainment K Incomplete Data 22,821
Kansas City, MO-KS 0.120 1987-1989 0.090 Yes Maintenance F Other 1,521,635
Kent County and Queen Anne's County, MD 0.131 1987-1989 0.082 Yes Maintenance G Marginal 59,760
Kewaunee County, WI 0.147 1987-1989 0.098 Yes Maintenance E Moderate 20,187
Knox County and Lincoln County, ME 0.158 1987-1989 0.080 Yes Nonattainment E Moderate 73,234
Knoxville, TN 0.135 1987-1989 0.073 Yes Maintenance G Marginal 382,032
Lafayette, LA 0.105 1987-1989 0.078 Yes Maintenance J Section 185A 190,503
Lafourche Parish, LA 0.077 Yes Maintenance K Incomplete Data 89,974
Lake Charles, LA 0.131 1987-1989 0.095 Yes Maintenance G Marginal 183,577
Lancaster, PA 0.125 1987-1989 0.078 Yes Nonattainment G Marginal 470,658
Lawrence County, PA 0.082 Yes Nonattainment K Incomplete Data 94,643
Lewiston-Auburn, ME 0.137 1987-1989 0.076 Yes Nonattainment E Moderate 220,907
Lexington-Fayette, KY 0.126 1987-1989 0.075 Yes Maintenance G Marginal 293,573
Los Angeles-South Coast Air Basin, CA 0.330 1987-1989 0.143 No Nonattainment A Extreme 14,593,587
Louisville, KY-IN 0.149 1987-1989 0.095 Yes Maintenance E Moderate 883,349
Manchester, NH 0.128 1987-1989 0.078 Yes Nonattainment G Marginal 364,927
Manitowoc County, WI 0.167 1987-1989 0.092 Yes Maintenance E Moderate 82,887
Memphis, TN 0.140 1987-1989 0.091 Yes Maintenance G Marginal 897,472
Miami-Fort Lauderdale-W. Palm Beach, FL 0.138 1987-1989 0.082 Yes Maintenance E Moderate 5,007,564
Milwaukee-Racine, WI 0.183 1987-1989 0.100 Yes Nonattainment B Severe-17 1,839,149
Monterey Bay, CA 0.138 1987-1989 0.076 Yes Maintenance E Moderate 710,598
Morongo Band of Mission Indians, CA 0.122 Yes Nonattainment B Severe-17 0
Muskegon, MI 0.181 1987-1989 0.091 Yes Maintenance E Moderate 170,200
Nashville, TN 0.138 1987-1989 0.087 Yes Maintenance E Moderate 1,097,810
New Orleans, LA 0.121 1987-1989 0.081 Yes Maintenance J Section 185A 1,055,441
New York-N. New Jersey-Long Island, NY-NJ-CT 0.201 1987-1989 0.116 Yes Nonattainment B Severe-17 19,171,306
Norfolk-Virginia Beach-Newport News (Hampton Roads), VA 0.130 1987-1989 0.073 Yes Maintenance G Marginal 1,477,636
Northumberland County, PA Nonattainment K Incomplete Data 94,556
Owensboro, KY 0.137 1987-1989 0.080 Yes Maintenance G Marginal 92,389
Paducah, KY 0.124 1987-1989 0.077 Yes Maintenance G Marginal 31,404
Parkersburg-Marietta, WV 0.152 1987-1989 0.076 Yes Maintenance E Moderate 87,986
Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD 0.187 1987-1989 0.093 Yes Nonattainment C Severe-15 6,311,043
Phoenix, AZ 0.141 1987-1989 0.110 Yes Maintenance D Serious 3,028,832
Pike County, PA Nonattainment K Incomplete Data 46,302
Pittsburgh-Beaver Valley, PA 0.149 1987-1989 0.080 Yes Maintenance E Moderate 2,431,087
Pointe Coupee Parish, LA 0.127 1987-1989 0.083 Yes Maintenance G Marginal 22,763
Portland, ME 0.156 1987-1989 0.086 Yes Nonattainment E Moderate 487,568
Portland-Vancouver AQMA, OR-WA 0.128 1987-1989 0.085 Yes Maintenance G Marginal 1,437,910
Portsmouth-Dover-Rochester, NH 0.165 1987-1989 0.087 Yes Nonattainment D Serious 192,379
Poughkeepsie, NY 0.134 1987-1989 0.090 Yes Nonattainment E Moderate 600,322
Preble County, OH 0.118 1987-1989 0.078 Yes Maintenance J Section 185A 42,337
Providence (all of RI), RI 0.162 1987-1989 0.090 Yes Nonattainment D Serious 1,048,319
Raleigh-Durham, NC 0.141 1987-1989 0.074 Yes Maintenance E Moderate 864,961
Reading, PA 0.141 1987-1989 0.087 Yes Maintenance E Moderate 373,638
Reno, NV 0.131 1987-1989 0.093 Yes Nonattainment G Marginal 339,486
Richmond, VA 0.142 1987-1989 0.078 Yes Maintenance E Moderate 845,623
Sacramento Metro, CA 0.160 1987-1989 0.104 Yes Nonattainment C Severe-15 1,978,348
Saginaw-Bay City-Midland, MI Maintenance K Incomplete Data 403,070
Salem, OR 0.079 Yes Nonattainment K Incomplete Data 345,261
Salt Lake City, UT 0.143 1987-1989 0.104 Yes Maintenance E Moderate 1,137,381
San Diego, CA 0.185 1987-1989 0.099 Yes Maintenance D Serious 2,813,833
San Francisco-Bay Area, CA 0.140 1987-1989 0.101 Yes Nonattainment F Other 6,541,828
San Joaquin Valley, CA 0.170 1987-1989 0.114 Yes Nonattainment A Extreme 3,191,367
Santa Barbara-Santa Maria-Lompoc, CA 0.140 1987-1989 0.074 Yes Maintenance D Serious 399,347
Schuylkill County, PA Nonattainment K Incomplete Data 150,336
Scranton-Wilkes-Barre, PA 0.129 1987-1989 0.075 Yes Nonattainment G Marginal 763,463
Seattle-Tacoma, WA 0.131 1987-1989 0.096 Yes Maintenance G Marginal 3,043,878
Sheboygan, WI 0.176 1987-1989 0.096 Yes Maintenance E Moderate 112,646
Smyth County; White Top Mountain, VA 0.125 1987-1989 Nonattainment H Rural Transport (Marginal) 0
Snyder County, PA Nonattainment K Incomplete Data 37,546
South Bend-Elkhart, IN 0.121 1987-1989 0.083 Yes Maintenance G Marginal 448,350
Southeast Desert Modified AQMA, CA 0.240 1987-1989 0.119 No Nonattainment B Severe-17 981,158
Springfield (Western MA), MA 0.167 1987-1989 0.087 Yes Nonattainment D Serious 814,967
St. James Parish, LA 0.083 Yes Maintenance K Incomplete Data 21,216
St. Louis, MO-IL 0.156 1987-1989 0.091 Yes Maintenance D Serious 2,482,935
St. Mary Parish, LA Maintenance K Incomplete Data 53,500
Steubenville, OH 0.118 1987-1989 0.076 Yes Maintenance J Section 185A 73,894
Susquehanna County, PA Nonattainment K Incomplete Data 42,238
Sussex County, DE 0.130 1987-1989 0.078 Yes Nonattainment G Marginal 156,638
Tampa-St. Petersburg-Clearwater, FL 0.129 1987-1989 0.087 Yes Maintenance G Marginal 1,920,430
Toledo, OH 0.140 1987-1989 0.089 Yes Maintenance E Moderate 576,119
Ventura County, CA 0.170 1987-1989 0.093 Yes Nonattainment C Severe-15 753,197
Victoria, TX 0.070 Yes Maintenance K Incomplete Data 84,088
Walworth County, WI 0.129 1987-1989 0.089 Yes Maintenance G Marginal 93,759
Warren County, PA Nonattainment K Incomplete Data 43,863
Washington, DC-MD-VA 0.165 1987-1989 0.094 Yes Nonattainment C Severe-15 4,544,944
Wayne County, PA Nonattainment K Incomplete Data 47,722
York, PA 0.129 1987-1989 0.082 Yes Nonattainment G Marginal 473,043
Youngstown-Warren-Sharon, OH-PA 0.134 1987-1989 0.080 Yes Nonattainment G Marginal 602,964
Yuba City, CA 0.120 1987-1989 0.083 Yes Nonattainment J Section 185A 114,136

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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