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Adjustments to Original 1991 1-Hour Ozone Nonattainment Areas
As of June 15, 2005BOUNDARY CHANGE November 30, 1992 Effective December 30, 1992 Federal Register (57 FR 56762) New York-N. New Jersey-Long Island, NY-NJ-CT - NEW YORK 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. November 30, 1992 Effective December 30, 1992 Federal Register (57 FR 56762) Salem, OR - OREGON Boundary Change from City of Salem to Salem Area Transportation Study November 30, 1992 Effective December 30, 1992 Federal Register (<57 FR 56762) Seattle-Tacoma, WA - WASHINGTON Boundary Change (small reduction) April 21, 1994 Effective April 21, 1994 Federal Register (<59 FR 18967) Poughkeepsie, NY - NEW YORK (Marginal) See October 6, 1994 Notice Below Orange County: Remainder of county (16 towns and cities) joined to Poughkeepsie. November 08, 2001 Effective December 10, 2001 Federal Register (<66 FR 56476) East Kern Co, CA - CALIFORNIA Kern Co November 08, 2001 Effective December 10, 2001 Federal Register (<66 FR 56476) San Joaquin Valley, CA - CALIFORNIA Fresno Co, Kern Co, Kings Co, Madera Co, Merced Co, San Joaquin Co, Stanislaus Co, Tulare Co October 07, 2003 Effective November 06, 2003 Federal Register (<68 FR 57820) 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 CHANGE TO A LOWER CLASSIFICATION November 30, 1992 Effective December 30, 1992 Federal Register (<57 FR 56762) Muskegon, MI - MICHIGAN Muskegon Co. Reclassified from Serious to Moderate November 30, 1992 Effective December 30, 1992 Federal Register (<57 FR 56762) Sheboygan, WI - WISCONSIN Sheboygan Co. Reclassified from Serious to Moderate January 19, 1995 Effective February 21, 1995 Federal Register (<60 FR 3771) San Diego, CA - CALIFORNIA Reclassified from Severe to Serious April 02, 1996 Effective June 03, 1996 Federal Register (<61 FR 14496) Beaumont-Port Arthur, TX - TEXAS Reclassified from Serious to Moderate Includes Hardin Co, Jefferson Co, Orange Co January 06, 1997 Effective December 20, 1996 Federal Register (<62 FR 648) Pointe Coupee Parish, LA - LOUISIANA Corrected from a Serious to a Marginal area, and redesignated to attainment. Pointe Coupee Parish CHANGE TO A HIGHER CLASSIFICATION (BUMP-UPS) April 25, 1995 Effective June 01, 1995 Federal Register (<60 FR 20237) Sacramento Metro, CA - CALIFORNIA Reclassify from Serious to Severe 2005 November 06, 1997 Effective December 08, 1997 Federal Register (<62 FR 60001) Phoenix, AZ - ARIZONA Reclassify from Moderate to Serious December 10, 1997 Effective January 09, 1998 Federal Register (<62 FR 65025) Santa Barbara-Santa Maria-Lompoc, CA - CALIFORNIA Reclassify from Moderate to Serious February 18, 1998 Effective March 20, 1998 Federal Register (<63 FR 8128) Dallas-Fort Worth, TX - TEXAS Reclassify from Moderate to Serious DESIGNATION TO NONATTAINMENT June 12, 1995 Effective July 12, 1995 Federal Register (<60 FR 30789) Sunland Park, NM (New Area 1995) - NEW MEXICO Dona Ana County (part) Classified as Marginal July 10, 1998 Effective August 10, 1998 Federal Register (<63 FR 37258) San Francisco Bay Area, CA - CALIFORNIA Alameda Co, Contra Costa Co, Marin Co, Napa Co, San Francisco Co, San Mateo Co, Santa Clara Co, Solano Co, Sonoma Co