Recent Updates: Federal Register Notices Published or Effective After June 30, 2021

Data is current as of July 29, 2021

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Note:
On June 14, 2021, EPA proposed new or expanded designations for 2 counties in 2 nonattainment areas for the 2015 Ozone NAAQS. (86 FR 31460) The geographic extent and included population will be increased for 2 areas by the addition of a new county and expansion of the designated part of another county:

Denver Metro/North Front Range, CO

Dona Ana County (Sunland Park Area), NM (apparently to be renamed as El Paso-Las Cruces, TX-NM)

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is displayed for notices published or effective within 30 days of the report "As of" date.
Federal Register Notices not in this Green Book will be available in reports in the next Green Book.
The "FR" links below will display Federal Register Notices from the Government Publishing Office (GPO) website.

NAAQS / Publication Date	Area Name / Action / Status / Effective Date / FRN Link
8-Hour Ozone (2015)
06/02/2021	San Diego County, CA (CA)
	Change to a Higher Classification (Bump-Ups)
	Final Approval
	Effective: 07/02/2021
	86 FR 29522
06/14/2021	Chicago, IL-IN-WI (IL)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
06/14/2021	Chicago, IL-IN-WI (IN)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
06/14/2021	Chicago, IL-IN-WI (WI)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
06/14/2021	Door County, WI (WI)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
06/14/2021	Manitowoc County, WI (WI)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
06/14/2021	Milwaukee, WI (WI)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
06/14/2021	Sheboygan County, WI (WI)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
06/14/2021	St. Louis, MO-IL (IL)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
06/14/2021	St. Louis, MO-IL (MO)
	Boundary Change
	Final Approval
	Effective: 07/14/2021
	86 FR 31438
8-Hour Ozone (2008)
06/02/2021	San Diego County, CA (CA)
	Change to a Higher Classification (Bump-Ups)
	Final Approval
	Effective: 07/02/2021
	86 FR 29522
06/07/2021	Kern Co (Eastern Kern), CA (CA)
	Change to a Higher Classification (Bump-Ups)
	Final Approval
	Effective: 07/07/2021
	86 FR 30204
8-Hour Ozone (1997)
07/29/2021	Buffalo-Niagara Falls, NY (NY)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
07/29/2021	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO (CO)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
07/29/2021	Inland Sheboygan County, WI (WI)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
07/29/2021	Jamestown, NY (NY)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
07/29/2021	Jefferson Co, NY (NY)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
07/29/2021	Poughkeepsie, NY (NY)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
07/29/2021	San Francisco Bay Area, CA (CA)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
07/29/2021	Shoreline Sheboygan County, WI (WI)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
07/29/2021	Ventura Co, CA (CA)
	Clean Data Determination/Attainment Determination
	Final Approval
	Effective: 08/30/2021
	86 FR 40784
PM-10 (1987)
06/25/2021	Butte, MT (MT)
	Redesignation to Maintenance
	Final Approval
	Effective: 07/26/2021
	86 FR 33547

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