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Significant Changes since the November 6, 1991 Federal Register (56 FR 56694) on Air Quality Designations and Classifications for 1-Hour Ozone Nonattainment Areas
Ordered by Category
As of June 15, 2005
BOUNDARY CHANGE
Los Angeles South Coast Air Basin, CA - CALIFORNIA
October 07, 2003 Effective November 06, 2003
Federal Register (68 FR 57820)
Southeast Desert Modified AQMA, CA - CALIFORNIA
October 07, 2003 Effective November 06, 2003
Federal Register (68 FR 57820)
East Kern Co, CA - CALIFORNIA
November 08, 2001 Effective December 10, 2001
Federal Register (66 FR 56476)
Kern Co
San Joaquin Valley, CA - CALIFORNIA
November 08, 2001 Effective December 10, 2001
Federal Register (66 FR 56476)
Fresno Co, Kern Co, Kings Co, Madera Co, Merced Co, San Joaquin Co,
Stanislaus Co, Tulare Co
Poughkeepsie, NY - NEW YORK
April 21, 1994 Effective April 21, 1994
Federal Register (59 FR 18967)
(Marginal) See October 6, 1994 Notice Below
Orange County: Remainder of county (16 towns and cities) joined to
Poughkeepsie.
New York-N. New Jersey-Long Island, NY-NJ-CT - NEW YORK
November 30, 1992 Effective December 30, 1992
Federal Register (57 FR 56762)
Orange and Putnam Counties: The November 6, 1991 notice indicated that
the State requested time to study the boundaries and classification
for these two counties and that EPA would evaluate the State study.
Both counties are in the New York City CMSA. The following action was
taken in the November 30, 1992 notice:
o Putnam County was placed in the Poughkeepsie Nonattainment Area
(Marginal).
o The portions of Orange County that remain with the New York
nonattainment area (classified Severe-17) are: Blooming Grove,
Chester, Highlands, Monroe, Tuxedo, Warwick, and Woodbury.
o The remaining portions of Orange County (16 towns and cities) are
designated as attainment. See April 21, 1994 notice.
Salem, OR - OREGON
November 30, 1992 Effective December 30, 1992
Federal Register (57 FR 56762)
Boundary Change from City of Salem to Salem Area Transportation Study
Seattle-Tacoma, WA - WASHINGTON
November 30, 1992 Effective December 30, 1992
Federal Register (57 FR 56762)
Boundary Change (small reduction)
CHANGE TO A LOWER CLASSIFICATION
Pointe Coupee Parish, LA - LOUISIANA
January 06, 1997 Effective December 20, 1996
Federal Register (62 FR 648)
Corrected from a Serious to a Marginal area, and redesignated to
attainment.
Pointe Coupee Parish
Beaumont-Port Arthur, TX - TEXAS
April 02, 1996 Effective June 03, 1996
Federal Register (61 FR 14496)
Reclassified from Serious to Moderate
Includes Hardin Co, Jefferson Co, Orange Co
San Diego, CA - CALIFORNIA
January 19, 1995 Effective February 21, 1995
Federal Register (60 FR 3771)
Reclassified from Severe to Serious
Muskegon, MI - MICHIGAN
November 30, 1992 Effective December 30, 1992
Federal Register (57 FR 56762)
Muskegon Co.
Reclassified from Serious to Moderate
Sheboygan, WI - WISCONSIN
November 30, 1992 Effective December 30, 1992
Federal Register (57 FR 56762)
Sheboygan Co.
Reclassified from Serious to Moderate
CHANGE TO A HIGHER CLASSIFICATION (BUMP-UPS)
San Joaquin Valley, CA - CALIFORNIA
April 16, 2004 Effective May 17, 2004
Federal Register (69 FR 20550)
Reclassify from Severe 2005 to Extreme
Atlanta, GA - GEORGIA
September 26, 2003 Effective January 01, 2004
Federal Register (68 FR 55469)
Reclassify from Serious to Severe
San Joaquin Valley, CA - CALIFORNIA
November 08, 2001 Effective December 10, 2001
Federal Register (66 FR 56476)
Reclassify from Serious to Severe 2005
Dallas-Fort Worth, TX - TEXAS
February 18, 1998 Effective March 20, 1998
Federal Register (63 FR 8128)
Reclassify from Moderate to Serious
Santa Barbara-Santa Maria-Lompoc, CA - CALIFORNIA
December 10, 1997 Effective January 09, 1998
Federal Register (62 FR 65025)
Reclassify from Moderate to Serious
Phoenix, AZ - ARIZONA
November 06, 1997 Effective December 08, 1997
Federal Register (62 FR 60001)
Reclassify from Moderate to Serious
Sacramento Metro, CA - CALIFORNIA
April 25, 1995 Effective June 01, 1995
Federal Register (60 FR 20237)
Reclassify from Serious to Severe 2005
DESIGNATION TO NONATTAINMENT
San Francisco Bay Area, CA - CALIFORNIA
July 10, 1998 Effective August 10, 1998
Federal Register (63 FR 37258)
Alameda Co, Contra Costa Co, Marin Co, Napa Co, San Francisco Co, San
Mateo Co, Santa Clara Co, Solano Co, Sonoma Co
Sunland Park, NM (New Area 1995) - NEW MEXICO
June 12, 1995 Effective July 12, 1995
Federal Register (60 FR 30789)
Dona Ana County (part)
Classified as Marginal
REDESIGNATION TO MAINTENANCE
Cincinnati-Hamilton, OH-KY - OHIO
June 21, 2005 Effective June 14, 2005
Federal Register (70 FR 35945)
Atlanta, GA - GEORGIA
June 15, 2005 Effective June 14, 2005
Federal Register (70 FR 34660)
Phoenix, AZ - ARIZONA
June 14, 2005 Effective June 14, 2005
Federal Register (70 FR 34362)
Kent & Queen Anne's Co.s, MD - MARYLAND
October 21, 2004 Effective November 22, 2004
Federal Register (69 FR 61766)
East Kern Co, CA - CALIFORNIA
April 22, 2004 Effective June 21, 2004
Federal Register (69 FR 21731)
Previously Serious
Kern Co
Birmingham, AL - ALABAMA
March 12, 2004 Effective April 12, 2004
Federal Register (69 FR 11798)
Previously Marginal
Jefferson Co, Shelby Co
Santa Barbara-Santa Maria-Lompoc, CA - CALIFORNIA
July 09, 2003 Effective August 08, 2003
Federal Register (68 FR 40789)
Previously Serious
Santa Barbara Co
San Diego, CA - CALIFORNIA
June 26, 2003 Effective July 28, 2003
Federal Register (68 FR 37976)
Previously Serious
San Diego Co
St Louis, MO-IL - ILLINOIS
May 12, 2003 Effective May 12, 2003
Federal Register (68 FR 25442)
Previously Serious
Madison Co, Monroe Co, St Clair Co
St Louis, MO-IL - MISSOURI
May 12, 2003 Effective May 12, 2003
Federal Register (68 FR 25418)
Previously Serious
Franklin Co, Jefferson Co, St Charles Co, St Louis Co, St Louis
Door Co, WI - WISCONSIN
April 17, 2003 Effective June 16, 2003
Federal Register (68 FR 18883)
Previously Rural Transport (Marginal)
Door Co
Manitowoc Co, WI - WISCONSIN
April 17, 2003 Effective June 16, 2003
Federal Register (68 FR 18883)
Previously Moderate
Manitowoc Co
Cincinnati-Hamilton, OH-KY - KENTUCKY
July 31, 2002 Effective August 30, 2002
Federal Register (67 FR 49600)
This is different from a normal redesignation: it is a "reinstatement
of the redesignation to attainment." Please review FRN for details.
Boone Co, Campbell Co, Kenton Co
LaFourche Par, LA - LOUISIANA
December 26, 2001 Effective February 25, 2002
Federal Register (66 FR 66317)
Previously Incomplete Data
Lafourche Par
Louisville, KY-IN - INDIANA
October 23, 2001 Effective November 23, 2001
Federal Register (66 FR 53665)
Previously Moderate
Clark Co, Floyd Co
Louisville, KY-IN - KENTUCKY
October 23, 2001 Effective November 23, 2001
Federal Register (66 FR 53665)
Previously Moderate
Bullitt Co, Jefferson Co, Oldham Co
Pittsburgh-Beaver Valley, PA - PENNSYLVANIA
October 19, 2001 Effective November 19, 2001
Federal Register (66 FR 53094)
Previously Moderate
Allegheny Co, Armstrong Co, Beaver Co, Butler Co, Fayette Co,
Washington Co, Westmoreland Co
Denver-Boulder, CO - COLORADO
September 11, 2001 Effective October 11, 2001
Federal Register (66 FR 47086)
Previously Transitional
Adams Co, Arapahoe Co, Boulder Co, Denver Co, Douglas Co, Jefferson Co
Allegan Co, MI - MICHIGAN
November 24, 2000 Effective January 16, 2001
Federal Register (65 FR 70490)
Previously Incomplete Data
Allegan Co
Flint, MI - MICHIGAN
November 13, 2000 Effective January 16, 2001
Federal Register (65 FR 67629)
Previously Section 185A
Genesee Co
Saginaw-Bay City-Midland, MI - MICHIGAN
November 13, 2000 Effective January 16, 2001
Federal Register (65 FR 67629)
Previously Incomplete Data
Bay Co, Midland Co, Saginaw Co
Muskegon, MI - MICHIGAN
August 30, 2000 Effective October 18, 2000
Federal Register (65 FR 52651)
Previously Moderate
Muskegon Co
Evansville, IN - INDIANA
December 09, 1997 Effective December 09, 1997
Federal Register (62 FR 64725)
Previously marginal.
Vanderburgh Co
Richmond, VA - VIRGINIA
November 17, 1997 Effective December 17, 1997
Federal Register (62 FR 61237)
Previously moderate.
Charles City Co, Chesterfield Co, Hanover Co, Henrico Co, Colonial
Heights, Hopewell, Richmond
Salt Lake City, UT - UTAH
July 17, 1997 Effective August 18, 1997
Federal Register (62 FR 38213)
Previously Moderate
Davis Co, Salt Lake Co
Norfolk-Virginia Beach-Newport News (Hampton Roads),VA - VIRGINIA
June 26, 1997 Effective July 28, 1997
Federal Register (62 FR 34408)
Previously Marginal
James City Co, York Co, Chesapeake, Hampton, Newport News, Norfolk,
Poquoson, Portsmouth, Suffolk, Virginia Beach, Williamsburg
Portland-Vancouver AQMA, OR-WA - OREGON
May 19, 1997 Effective June 18, 1997
Federal Register (62 FR 27204)
Previously Marginal
Clackamas Co, Multnomah Co, Washington Co
Portland-Vancouver AQMA, OR-WA - WASHINGTON
May 19, 1997 Effective June 18, 1997
Federal Register (62 FR 27204)
Previously Marginal
Clark Co
Reading, PA - PENNSYLVANIA
May 07, 1997 Effective June 06, 1997
Federal Register (62 FR 24826)
Previously Moderate
Berks Co
Lake Charles, LA - LOUISIANA
May 02, 1997 Effective June 02, 1997
Federal Register (62 FR 24036)
Previously Marginal
Calcasieu Parish
Hancock & Waldo Cos, ME - MAINE
February 28, 1997 Effective April 27, 1997
Federal Register (62 FR 9081)
Previously Marginal
Hancock Co, Waldo Co
Monterey Bay, CA - CALIFORNIA
January 17, 1997 Effective March 18, 1997
Federal Register (62 FR 2597)
Previously Moderate
Monterey Co, San Benito Co, Santa Cruz Co
Pointe Coupee Parish, LA - LOUISIANA
January 06, 1997 Effective December 20, 1996
Federal Register (62 FR 648)
Corrected from a Serious to a Marginal area, and redesignated to
attainment.
Pointe Coupee Parish
Nashville, TN - TENNESSEE
October 30, 1996 Effective October 30, 1996
Federal Register (61 FR 55903)
Previously Moderate.
Davidson Co, Rutherford Co, Sumner Co, Williamson Co, Wilson Co
Seattle-Tacoma, WA - WASHINGTON
September 26, 1996 Effective November 25, 1996
Federal Register (61 FR 50438)
Previously Moderate.
King Co, Pierce Co, Snohomish Co
Sheboygan, WI - WISCONSIN
August 26, 1996 Effective August 26, 1996
Federal Register (61 FR 43668)
Previously Moderate
Sheboygan county
Kewaunee Co, WI - WISCONSIN
August 26, 1996 Effective August 26, 1996
Federal Register (61 FR 43668)
Previously Moderate
Kewaunee county
Walworth Co, WI - WISCONSIN
August 26, 1996 Effective August 26, 1996
Federal Register (61 FR 43668)
Previously Marginal
Walworth county
Grand Rapids, MI - MICHIGAN
June 21, 1996 Effective June 21, 1996
Federal Register (61 FR 31831)
Previously Moderate
Kent Co, Ottawa Co
Cleveland-Akron-Lorain, OH - OHIO
May 07, 1996 Effective May 07, 1996
Federal Register (61 FR 20458)
Previously Moderate.
Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage and Summit
Counties
Clinton Co, OH - OHIO
March 21, 1996 Effective March 21, 1996
Federal Register (61 FR 11560)
Previously Section 185A
Clinton Co
Columbus, OH - OHIO
February 01, 1996 Effective April 01, 1996
Federal Register (61 FR 3591)
Previously Marginal.
Delaware, Franklin and Licking Counties
Canton, OH - OHIO
January 31, 1996 Effective April 01, 1996
Federal Register (61 FR 3319)
Previously Marginal.
Stark Co.
Youngstown-Warren-Sharon, OH-PA - OHIO
January 31, 1996 Effective April 01, 1996
Federal Register (61 FR 3319)
Previously Marginal.
Mahoning and Trumbull Counties.
The Pennsylvania portion (Mercer Co.) remains nonattainment.
Tampa-St. Petersburg-Clearwater, FL - FLORIDA
December 07, 1995 Effective February 05, 1996
Federal Register (60 FR 62748)
Previously Marginal.
Hillsborough and Pinellas Counties
New Orleans, LA - LOUISIANA
October 02, 1995 Effective December 01, 1995
Federal Register (60 FR 51354)
Previously Transitional.
Jefferson, Orleans, St. Bernard and St. Charles Parishes
St James Par, LA - LOUISIANA
September 12, 1995 Effective November 13, 1995
Federal Register (60 FR 47280)
Previously Incomplete Data.
St James Par
Lexington-Fayette, KY - KENTUCKY
September 11, 1995 Effective November 13, 1995
Federal Register (60 FR 47089)
Previously Marginal.
Fayette and Scott Counties
Lafayette, LA - LOUISIANA
August 18, 1995 Effective October 17, 1995
Federal Register (60 FR 43020)
Previously Transitional.
Lafayette Parish
Beauregard Par, LA - LOUISIANA
August 18, 1995 Effective October 17, 1995
Federal Register (60 FR 43020)
Previously Incomplete Data.
Beauregard Parish
Grant Par, LA - LOUISIANA
August 18, 1995 Effective October 17, 1995
Federal Register (60 FR 43020)
Previously Incomplete Data.
Grant Parish
LaFourche Par, LA - LOUISIANA
August 18, 1995 Effective October 17, 1995
Federal Register (60 FR 43020)
Previously Incomplete Data.
Lafourche Parish
St Mary Par, LA - LOUISIANA
August 18, 1995 Effective October 17, 1995
Federal Register (60 FR 43020)
Previously Incomplete Data.
St. Mary Parish
Greenbrier Co, WV - WEST VIRGINIA
August 04, 1995 Effective September 18, 1995
Federal Register (60 FR 39857)
Previously Marginal.
Greenbrier Co
Toledo, OH - OHIO
August 01, 1995 Effective August 01, 1995
Federal Register (60 FR 39115)
Previously Moderate.
Lucas and Wood Counties
Charlotte-Gastonia, NC - NORTH CAROLINA
July 05, 1995 Effective July 05, 1995
Federal Register (60 FR 34859)
Previously Moderate.
Gaston and Mecklenburg Counties
Huntington-Ashland, WV-KY - KENTUCKY
June 29, 1995 Effective June 29, 1995
Federal Register (60 FR 33748)
Previously Moderate.
Boyd County and Greenup County (part)
San Francisco Bay Area, CA - CALIFORNIA
May 22, 1995 Effective June 21, 1995
Federal Register (60 FR 27028)
Note: See the later notice, 63 FR 37258, for Designation to
Nonattainment.
Previously Moderate.
Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa
Clara Counties and Solano Co. (Southeastern portion) and Sonoma Co.
(Souther portion)
Dayton-Springfield, OH - OHIO
May 05, 1995 Effective July 05, 1995
Federal Register (60 FR 22289)
Previously Moderate.
Clark, Greene, Miami and Montgomery Counties
Jersey Co, IL - ILLINOIS
March 14, 1995 Effective April 13, 1995
Federal Register (60 FR 13634)
Previously Marginal.
Jersey Co
Detroit-Ann Arbor, MI - MICHIGAN
March 07, 1995 Effective April 06, 1995
Federal Register (60 FR 12459)
Previously Moderate.
Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw and Wayne
Counties
Victoria, TX - TEXAS
March 07, 1995 Effective May 08, 1995
Federal Register (60 FR 12453)
Previously Incomplete Data.
Victoria Co
Miami-Fort Lauderdale-W. Palm Beach, FL - FLORIDA
February 24, 1995 Effective April 25, 1995
Federal Register (60 FR 10325)
Previously Moderate.
Dade, Broward and Palm Beach Counties
Steubenville, OH - OHIO
February 08, 1995 Effective March 10, 1995
Federal Register (60 FR 7453)
Previously Transitional.
Jefferson County
Columbiana Co, OH - OHIO
February 08, 1995 Effective March 10, 1995
Federal Register (60 FR 7453)
Previously Incomplete Data Area.
Columbiana Co
Preble Co, OH - OHIO
February 08, 1995 Effective March 10, 1995
Federal Register (60 FR 7453)
Previously Transitional.
Preble Co
Paducah, KY - KENTUCKY
February 07, 1995 Effective April 10, 1995
Federal Register (60 FR 7124)
Previously Marginal.
Livingston (part) and Marshall Counties
Memphis, TN - TENNESSEE
January 17, 1995 Effective February 16, 1995
Federal Register (60 FR 3352)
Previously Marginal.
Shelby County
Jacksonville, FL - FLORIDA
January 03, 1995 Effective March 06, 1995
Federal Register (60 FR 41)
Previously Transitional.
Duval County
Huntington-Ashland, WV-KY - WEST VIRGINIA
December 21, 1994 Effective December 21, 1994
Federal Register (59 FR 65719)
Previously Moderate.
Cabell and Wayne Counties
Owensboro, KY - KENTUCKY
November 03, 1994 Effective January 03, 1995
Federal Register (59 FR 55053)
Previously Marginal.
Daviess County and Hancock Co. (part)
Edmonson Co, KY - KENTUCKY
November 03, 1994 Effective January 03, 1995
Federal Register (59 FR 55053)
Previously Marginal.
Edmonson Co
Indianapolis, IN - INDIANA
October 31, 1994 Effective November 30, 1994
Federal Register (59 FR 54391)
Previously Marginal.
Marion County
South Bend-Elkhart, IN - INDIANA
October 31, 1994 Effective November 30, 1994
Federal Register (59 FR 54391)
Previously Marginal.
Elkhart and St. Joseph Counties
Charleston, WV - WEST VIRGINIA
September 06, 1994 Effective September 06, 1994
Federal Register (59 FR 45985)
Previously Moderate.
Kanawha and Putnam Counties
Parkersburg, WV - WEST VIRGINIA
September 06, 1994 Effective September 06, 1994
Federal Register (59 FR 45978)
Previously Moderate.
Wood County
Raleigh-Durham, NC - NORTH CAROLINA
April 18, 1994 Effective June 17, 1994
Federal Register (59 FR 18300)
Previously Moderate.
Durham, Wake and Granville (Dutchville township part) Counties
Knoxville, TN - TENNESSEE
September 27, 1993 Effective October 27, 1993
Federal Register (58 FR 50271)
Previously Marginal.
Knox County
Greensboro-Winston Salem-High Point, NC - NORTH CAROLINA
September 09, 1993 Effective November 08, 1993
Federal Register (58 FR 47391)
Previously Moderate.
Davidson, Davie, Forsyth and Guilford Counties
Cherokee Co, SC - SOUTH CAROLINA
December 15, 1992 Effective February 16, 1993
Federal Register (57 FR 59300)
Previously Marginal.
Cherokee Co
Kansas City, MO-KS - KANSAS
June 23, 1992 Effective July 23, 1992
Federal Register (57 FR 27936)
Previously Sub-marginal.
Johnson and Wyandotte Counties
Kansas City, MO-KS - MISSOURI
June 23, 1992 Effective July 23, 1992
Federal Register (57 FR 27939)
Previously Sub-marginal.
Clay, Jackson and Platte Counties
DESIGNATION CORRECTIONS
San Francisco Bay Area, CA - CALIFORNIA
July 22, 1999 Effective August 23, 1999
Federal Register (64 FR 39416)
Previously Other
Alameda Co, Contra Costa Co, Marin Co, Napa Co, San Francisco Co, San
Mateo Co, Santa Clara Co, Solano Co, Sonoma Co
LaFourche Par, LA - LOUISIANA
December 05, 1997 Effective January 05, 1998
Federal Register (62 FR 64284)
Lafourche Par
Dayton-Springfield, OH - OHIO
March 07, 1997 Effective March 07, 1997
Federal Register (62 FR 10463)
Correctly prints the designation for Montgomery Co from moderate
nonattainment to attainment.