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Adjustments to Original 8-Hour Ozone (2008) Nonattainment Area Baseline

Data is current as of September 30, 2019


AREA SPLIT
July 15, 2019, Effective July 15, 2019 ( 84 FR 33699 )
Inland Sheboygan County, WI - WISCONSIN
 
July 15, 2019, Effective July 15, 2019 ( 84 FR 33699 )
Shoreline Sheboygan County, WI - WISCONSIN
 
CHANGE TO A HIGHER CLASSIFICATION (BUMP-UPS)
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Atlanta, GA - GEORGIA
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Chicago-Naperville, IL-IN-WI - ILLINOIS
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Chicago-Naperville, IL-IN-WI - INDIANA
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Chicago-Naperville, IL-IN-WI - WISCONSIN
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - COLORADO
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Greater Connecticut, CT - CONNECTICUT
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Imperial County, CA - CALIFORNIA
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Kern Co (Eastern Kern), CA - CALIFORNIA
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Mariposa County, CA - CALIFORNIA
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Nevada Co. (Western part), CA - CALIFORNIA
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
New York-N. New Jersey-Long Island, NY-NJ-CT - CONNECTICUT
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
New York-N. New Jersey-Long Island, NY-NJ-CT - NEW JERSEY
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
New York-N. New Jersey-Long Island, NY-NJ-CT - NEW YORK
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
Phoenix-Mesa, AZ - ARIZONA
Reclassify from Marginal to Moderate
 
May 04, 2016, Effective June 03, 2016 ( 81 FR 26697 )
San Diego County, CA - CALIFORNIA
Reclassify from Marginal to Moderate
 
December 14, 2016, Effective December 14, 2016 ( 81 FR 90207 )
Houston-Galveston-Brazoria, TX - TEXAS
Reclassify from Marginal to Moderate
 
December 19, 2016, Effective December 19, 2016 ( 81 FR 91841 )
Inland Sheboygan County, WI - WISCONSIN
Reclassify from Marginal to Moderate
 
December 19, 2016, Effective December 19, 2016 ( 81 FR 91841 )
Shoreline Sheboygan County, WI - WISCONSIN
Reclassify from Marginal to Moderate
 
July 05, 2018, Effective August 06, 2018 ( 83 FR 31334 )
Kern Co (Eastern Kern), CA - CALIFORNIA
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
Chicago-Naperville, IL-IN-WI - ILLINOIS
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
Chicago-Naperville, IL-IN-WI - INDIANA
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
Chicago-Naperville, IL-IN-WI - WISCONSIN
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
Dallas-Fort Worth, TX - TEXAS
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
Greater Connecticut, CT - CONNECTICUT
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
Houston-Galveston-Brazoria, TX - TEXAS
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
Nevada Co. (Western part), CA - CALIFORNIA
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
New York-N. New Jersey-Long Island, NY-NJ-CT - CONNECTICUT
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
New York-N. New Jersey-Long Island, NY-NJ-CT - NEW JERSEY
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
New York-N. New Jersey-Long Island, NY-NJ-CT - NEW YORK
Reclassify from Moderate to Serious
 
August 23, 2019, Effective September 23, 2019 ( 84 FR 44238 )
San Diego County, CA - CALIFORNIA
Reclassify from Moderate to Serious