Technology Transfer Network / NAAQS
Ozone Implementation
Ozone Air Quality Data by Area
Note: EPA no longer updates this information, but it may be useful as a reference or resource.Areas Are Listed First
Then Lone Counties Are Listed by State
Report Date: December 1997
Notes: Data are mostly from 1994-96. Some 1993-95 data was used in certain situations(see the TSD). Data for a few areas affected by 1995-97 are included. (See end of this document or the TSD). Design value is in parts per billion (ppb). There is a violation when the expected exceedance rate is greater than 1. A blank indicates the expected exceedance rate is 0. The design value and expected exceedance rate are the highest for the area; therefore, they may come from different monitors.
Design Expected Value Exceedance Area State ppb Rate Albany-Schenectady-Troy, NY 109 0.3 Albuquerque, NM 98 Allentown-Bethlehem-Easton, PA 116 Altoona, PA 110 Appleton-Oshkosh-Neenah, WI 98 0.5 Asheville, NC 85 Atlanta, GA 147 5.4 Violating Atlantic City, NJ 110 Augusta-Aiken, GA-SC 109 0.3 Austin-San Marcos, TX 105 Baltimore, MD 151 5.1 Violating Bangor, ME 95 Baton Rouge, LA 134 2.4 Violating Beaumont-Port Arthur, TX 139 2.1 Violating Bellingham, WA 80 Benton Harbor, MI 116 1.0 Biloxi-Gulfport-Pascagoula, MS 113 Birmingham, AL 132 2.1 Violating Boston-Lawrence-Worcester (E. MA), MA-NH 128 1.3 Violating Brownsville-Harlingen-San Benito, TX 84 Buffalo-Niagara Falls, NY 102 Burlington, VT 85 Canton-Massillon, OH 107 0.3 Cedar Rapids, IA 74 Champaign-Urbana, IL 105 Charleston-North Charleston, SC 98 Charleston, WV 110 Charlotte-Gastonia-Rock Hill, NC-SC 124 1.0 Chattanooga, TN-GA 118 0.3 Chicago-Gary-Kenosha, IL-IN-WI 129 2.4 Violating Chico-Paradise, CA 97 Cincinnati-Hamilton, OH-KY-IN 128 1.3 Violating Clarksville-Hopkinsville, TN-KY 103 Cleveland-Akron, OH 118 0.7 Colorado Springs, CO 79 Columbia, SC 104 Columbus, GA-AL 108 Columbus, OH 113 0.3 Corpus Christi, TX 115 0.7 Dallas-Fort Worth, TX 139 4.3 Violating Davenport-Moline-Rock Island, IA-IL 95 Dayton-Springfield, OH 125 1.1 Violating Daytona Beach, FL 91 Decatur, AL 114 Decatur, IL 100 Denver-Boulder-Greeley, CO 107 0.3 Des Moines, IA 84 Detroit-Ann Arbor-Flint, MI 129 1.3 Violating Duluth-Superior, MN-WI 76 El Paso, TX 134 2.7 Violating Elmira, NY 88 Erie, PA 107 Eugene-Springfield, OR 102 Evansville-Henderson, IN-KY 114 Fargo-Moorhead, ND-MN 75 Fayetteville, NC 106 Flagstaff, AZ-UT 81 Flint, MI 98 Florence, AL 102 Fort Collins-Loveland, CO 96 Fort Myers-Cape Coral, FL 89 Fort Pierce-Port St. Lucie, FL 82 Fort Wayne, IN 112 Grand Rapids, MI 127 1.4 Violating Greater Connecticut, CT 149 3.4 Violating Green Bay, WI 107 Greensboro-Winston Salem-High Point, NC 118 1.0 Greenville, NC 97 Greenville-Spartanburg-Anderson, SC 114 Hancock & Waldo Cos, ME 121 0.5 Harrisburg-Lebanon-Carlisle, PA 113 Hickory-Morganton-Lenoir, NC 95 Honolulu, HI 56 Houma, LA 127 1.4 Violating Houston-Galveston-Brazoria, TX 188 13.9 Violating Huntington-Ashland, WV-KY-OH 122 0.7 Huntsville, AL 102 Indianapolis, IN 122 1.0 Jackson, MS 90 Jacksonville, FL 111 0.4 Jamestown, NY 103 Janesville-Beloit, WI 105 Johnson City-Kingsport-Bristol, TN-VA 110 Johnstown, PA 109 Kalamazoo-Battle Creek, MI 102 0.3 Kansas City, MO-KS 124 1.0 Lowest Possible 1995-97 Values 128 1.3 Violating Kent & Queen Anne's Cos, MD 111 0.3 Lowest Possible 1995-97 Values 129 1.7 Violating Knox & Lincoln Cos, ME 111 0.4 Knoxville, TN 124 1.0 Lafayette, LA 107 Lafayette, IN 104 Lake Charles, LA 113 0.3 Lake Tahoe South Shore, CA 83 Lakeland-Winter Haven, FL 91 Lancaster, PA 116 0.3 Lowest Possible 1995-97 Values 125 1.3 Violating Lansing-East Lansing, MI 97 Laredo, TX 73 Las Cruces, NM 106 Las Vegas, NV-AZ 96 Lawton, OK 92 Lewiston-Auburn, ME 98 Lexington, KY 108 Lima, OH 106 Lincoln, NE 75 Little Rock-North Little Rock, AR 105 Longview-Marshall, TX 130 1.4 Violating Los Angeles South Coast Air Basin, CA 231 78.3 Violating Louisville, KY-IN 132 1.7 Violating Madison, WI 96 Manchester, NH 101 Mansfield, OH 102 McAllen-Edinburg-Mission, TX 64 Medford-Ashland, OR 97 0.4 Melbourne-Titusville-Palm Bay, FL 86 Memphis, TN-AR-MS 128 2.3 Violating Lowest Possible 1995-97 Values 131 1.3 Violating Miami-Fort Lauderdale-W. Palm Beach, FL 106 0.3 Milwaukee-Racine, WI 128 2.0 Violating Minneapolis-St. Paul, MN-WI 101 Mobile, AL 105 Monroe, LA 98 Monterey Bay, CA 114 0.3 Montgomery, AL 102 Muskegon, MI 142 2.0 Violating Nashville, TN 124 0.7 New Orleans, LA 119 1.0 New York-N. New Jersey-L.Island,NY-NJ-CT-PA 144 4.1 Violating Norfolk-Virginia Beach-Newport News, VA-NC 104 Oklahoma City, OK 110 0.4 Omaha, NE-IA 85 Orlando, FL 104 Owensboro, KY 114 0.3 Paducah, KY 108 Parkersburg-Marietta, WV-OH 118 0.3 Pensacola, FL 117 0.7 Peoria-Pekin, IL 96 Philadelphia-Wilmington-Trenton,PA-NJ-DE-MD 139 3.3 Violating Phoenix-Mesa, AZ 133 6.2 Violating Pittsburgh, PA 133 2.7 Violating Portland, ME 126 1.6 Violating Portland-Vancouver AQMA, OR-WA 111 0.7 Portsmouth-Dover-Rochester, NH 130 1.4 Violating Poughkeepsie, NY 125 1.5 Violating Providence-Fall River-Warwick, RI-MA 133 1.4 Violating Provo-Orem, UT 105 Raleigh-Durham-Chapel Hill, NC 115 Reading, PA 114 0.3 Redding, CA 111 Reno, NV 94 Richmond-Petersburg, VA 116 0.7 Roanoke, VA 98 Rochester, NY 102 Rockford, IL 101 Rocky Mount, NC 91 Sacramento-Yolo, CA 146 7.4 Violating St Louis, MO-IL 136 3.3 Violating Salem, OR 111 0.5 Salt Lake City-Ogden, UT 121 0.7 San Antonio, TX 120 0.7 San Diego, CA 141 6.7 Violating San Francisco-Oakland-San Jose, CA 138 5.7 Violating San Joaquin Valley, CA 165 30.5 Violating San Luis Obispo-Atascadero-Paso Robles, CA 104 Santa Barbara-Santa Maria-Lompoc, CA 130 2.8 Violating Sarasota-Bradenton, FL 99 Savannah, GA 88 Scranton-Wilkes-Barre-Hazleton, PA 110 Seattle-Tacoma-Bremerton, WA 118 0.7 Sheboygan, WI 122 0.7 Shreveport-Bossier City, LA 100 South Bend-Elkhart, IN 115 Southeast Desert Modified AQMA, CA 182 40.3 Violating Spokane, WA 84 Springfield, IL 101 Springfield, MO 101 Springfield (Western MA), MA 129 1.7 Violating State College, PA 106 Steubenville-Weirton, OH-WV 114 0.3 Sunland Park, NM 135 2.1 Violating Syracuse, NY 103 Tallahassee, FL 90 Tampa-St. Petersburg-Clearwater, FL 109 0.7 Terre Haute, IN 107 Toledo, OH 114 0.7 Tucson, AZ 104 Tulsa, OK 121 1.0 Tyler, TX 111 Utica-Rome, NY 90 Victoria, TX 98 Washington, DC-MD-VA 134 2.1 Violating Wausau, WI 84 Wheeling, WV-OH 104 Wichita, KS 90 Williamsport, PA 87 Wilmington, NC 103 York, PA 112 Youngstown-Warren-Sharon, PA-OH 111 0.3 Yuba City, CA 108 Yuma, AZ 99 LONE COUNTIES Design Expected Listed by State then County Value Exceedance County, State ppb Rate Clay Co, AL 116 0.3 De Kalb Co, AL 108 0.3 Geneva Co, AL 81 Sumter Co, AL 85 Yukon-koyukuk Ed, AK 58 Cochise Co, AZ 79 Clark Co, AR 92 Montgomery Co, AR 80 Newton Co, AR 80 Amador Co, CA 123 1.0 Lowest Possible 1995-97 Values 127 1.3 Violating Calaveras Co, CA (Adjacent to Stockton) 129 1.4 Violating Colusa Co, CA 111 Del Norte Co, CA 58 Glenn Co, CA 98 Imperial Co, CA 180 8.0 Violating Inyo Co, CA 93 Lake Co, CA 80 Mariposa Co, CA 111 Mendocino Co, CA 80 Mono Co, CA 100 Nevada Co, CA 110 Plumas Co, CA 92 Siskiyou Co, CA 70 Tehama Co, CA 100 Tuolumne Co, CA 116 0.3 Ventura Co, CA 158 17.3 Violating Gunnison Co, CO 82 Montezuma Co, CO 75 Sussex Co, DE 109 Calhoun Co, FL 86 Fannin Co, GA 97 Glynn Co, GA 86 Spalding Co, GA (in Atlanta MSA) 125 1.4 Violating Hawaii Co, HI 52 Maui Co, HI 52 Butte Co, ID 70 Adams Co, IL 89 Effingham Co, IL 97 Jo Daviess Co, IL 99 Macoupin Co, IL 103 Randolph Co, IL 102 Knox Co, IN 103 Kosciusko Co, IN 100 La Porte Co, IN (Adjacent to Chicago) 146 3.4 Violating Wabash Co, IN 108 Warrick Co, IN (in Evansville-Henderson MSA)131 1.7 Violating Van Buren Co, IA 82 Pawnee Co, KS 80 Sherman Co, KS 80 Bell Co, KY 92 Edmonson Co, KY 110 Graves Co, KY 94 Hardin Co, KY 115 0.3 Lawrence Co, KY 115 0.4 Mc Cracken Co, KY 103 Mc Lean Co, KY 110 Morgan Co, KY (Eastern KY) 126 1.5 Violating Perry Co, KY 92 Pike Co, KY 101 0.7 Pulaski Co, KY 99 Simpson Co, KY 100 Trigg Co, KY 104 Washington Co, KY 108 Beauregard Par, LA 108 Grant Par, LA 91 St Mary Par, LA 103 Aroostook Co, ME 76 Oxford Co, ME 97 Piscataquis Co, ME 80 Somerset Co, ME 92 Washington Co, ME 104 De Soto Co, MS (in Memphis MSA) 120 1.0 Lowest Possible 1995-97 Values 131 1.3 Violating Dorchester Co, MD 117 Allegan Co, MI 137 1.7 Violating Benzie Co, MI 108 0.3 Cass Co, MI 115 0.3 Huron Co, MI 115 0.3 Manistee Co, MI 97 Mason Co, MI (on Lake Michigan) 125 1.4 Violating Mecosta Co, MI 124 Roscommon Co, MI 99 Tuscola Co, MI 103 0.3 Koochiching Co, MN 75 Lake Co, MN 78 Adams Co, MS 94 Choctaw Co, MS 64 Franklin Co, MS 93 Lauderdale Co, MS 91 Lee Co, MS 94 Sharkey Co, MS 96 Warren Co, MS 96 Yalobusha Co, MS 93 Monroe Co, MO 97 0.3 Ste Genevieve Co, MO 122 1.0 Flat Head Co, MT 64 Douglas Co, NV 83 White Pine Co, NV 80 Belknap Co, NH 88 Carroll Co, NH 79 Cheshire Co, NH 91 Grafton Co, NH 81 Sullivan Co, NH 89 Essex Co, NY 99 Hamilton Co, NY 90 Jefferson Co, NY 104 0.3 Tompkins Co, NY 102 Ulster Co, NY 105 Avery Co, NC 95 Camden Co, NC 95 Carteret Co, NC 90 Caswell Co, NC 109 Duplin Co, NC 84 Haywood Co, NC 101 Macon Co, NC 88 Martin Co, NC 89 Montgomery Co, NC 106 Northampton Co, NC 101 Person Co, NC 94 Rockingham Co, NC 111 Swain Co, NC 76 Yancey Co, NC 103 0.4 Mc Kenzie Co, ND 64 Mercer Co, ND 62 Oliver Co, ND 63 Steele Co, ND 68 Clinton Co, OH 118 Knox Co, OH 113 0.3 Logan Co, OH 111 Noble Co, OH 119 0.6 Preble Co, OH 103 Elk Co, PA 95 Franklin Co, PA 113 Lawrence Co, PA 101 Abbeville Co, SC 93 Barnwell Co, SC 95 Chester Co, SC 105 0.3 Darlington Co, SC 100 Oconee Co, SC 92 Union Co, SC 93 Williamsburg Co, SC 88 Claiborne Co, TN 105 Coffee Co, TN 105 De Kalb Co, TN 97 Dyer Co, TN 112 Giles Co, TN 104 Haywood Co, TN 103 Humphreys Co, TN 102 Jefferson Co, TN (Adjacent to Knoxville) 123 1.0 Lowest Possible 1995-97 Values 125 1.3 Violating Putnam Co, TN 96 Brewster Co, TX 82 Cache Co, UT 83 San Juan Co, UT 77 Washington Co, UT 86 Bennington Co, VT 103 Caroline Co, VA 98 Frederick Co, VA 103 Henry Co, VA 104 Madison Co, VA 97 Montgomery Co, VA 96 Prince Edward Co, VA 101 Smyth Co, VA 98 Wythe Co, VA 95 Clallam Co, WA 58 Skagit Co, WA 64 Gilmer Co, WV 107 Greenbrier Co, WV 100 Tucker Co, WV 97 Columbia Co, WI 104 Dodge Co, WI 90 Door Co, WI 125 1.3 Violating Florence Co, WI 80 Fond Du Lac Co, WI 95 Jefferson Co, WI 98 Kewaunee Co, WI 120 0.7 Manitowoc Co, WI 126 1.7 Violating Oneida Co, WI 76 Polk Co, WI 85 Sauk Co, WI 93 Taylor Co, WI 81 Vernon Co, WI 83 Walworth Co, WI 100 Albany Co, WY 79 Sublette Co, WY 75 Teton Co, WY 76
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Areas With Data Violating in 1995-97 and No Violation in 1994-96 Based on 1995-97 data, the 1-hour standard will still apply to the following areas: Jefferson County, TN The county is adjacent to the Knoxville, TN MSA and is violating the 1-hour standard during 1995-97. The monitor (47-089-0001) has a daily maximum 1-hour concentration of 132 ppb in 1995, 127 and 125 ppb in 1996, and a 138 ppb in 1997. If there are complete data in 1997, the design value would be 125 ppb and the expected exceedance rate would be 1.3 (which is a violation). All exceedances are in AIRS. Kent and Queen Anne's Counties, MD The monitor (24-029-0002) is violating the 1-hour standard during 1995-97. In 1995 there was one exceedance (135 ppb) and in 1997 there were four exceedances (148, 139, 129, and 126 ppb). If there are complete data in 1997, the design value would be 129 ppb and the expected exceedance rate would be 1.7 (which is a violation). All exceedances are in AIRS. For the areas listed below, the 1997 data are reported from sources other than AIRS and may not be quality assured. If the data is determined to be incorrect and the area has no violations, the 1-hour standard will be revoked after complete 1997 data are available. Kansas City, KS-MO The monitor (29-047-0005) in Clay Co., MO, is violating the 1-hour standard during 1995-97. In 1995 there were three exceedances ( 161, 131, and 128 ppb) and in 1997 there was one exceedance of 133 ppb. If there are complete data in 1997, the design value would be 128 ppb and the expected exceedance rate would be 1.3 (which is a violation). As of this date the 1997 exceedance is not in AIRS. DeSoto County, MS (Memphis) The monitor (28-033-0002) is violating the 1-hour standard during 1995-97. In 1996 there were three exceedances ( 145, 145, and 139 ppb) and in 1997 there was one exceedance of the 1-hour standard at 131 ppb. If there are complete data in 1997, the design value would be 131 and the expected exceedance rate would be 1.3 (which is a violation). As of this date the 1997 exceedance is not in AIRS. Lancaster, PA The monitor (42-071-0007) is violating the 1-hour standard during 1995-97. In 1995 there was one exceedance (125 ppb) and in 1997 there were three exceedances (139, 133, and another exceedance greater than 124 ppb). If there are complete data in 1997, the design value would be 125 ppb and the expected exceedance rate would be 1.3 (which is a violation). As of this date the 1997 exceedances are not in AIRS. Amador County, CA The monitor (06-005-0002) is violating the 1-hour standard during 1995-97. In 1995 there was one exceedance (146 ppb), in 1996 there were two exceedances (127 and 127 ppb) and in 1977 there was one exceedance (135 ppb). If there are complete data in 1997, the design value would be 127 ppb and the expected exceedance rate would be 1.3 (which is a violation). All exceedances are in AIRS. |