Guam Whole or Part County Nonattainment Status by Year Since 1992 for all Criteria Pollutants

Data is current as of September 30, 2024

Listed by State, County, NAAQS (W=Whole County,P=Partial County designated nonattainment as of report date)
The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.

The 1997 Primary Annual PM-2.5 NAAQS (level of 15 µg/m³) is revoked in attainment and maintenance areas for that NAAQS. For additional information see the PM-2.5 NAAQS SIP Requirements Final Rule, effective October 24, 2016. (81 FR 58009)

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ALASKA ALABAMA ARKANSAS ARIZONA CALIFORNIA COLORADO CONNECTICUT DISTRICT OF COLUMBIADELAWARE FLORIDA GEORGIA GUAM IOWA IDAHO ILLINOIS INDIANA KANSAS KENTUCKY LOUISIANA MASSACHUSETTS MARYLAND MAINE MICHIGAN MINNESOTA MISSOURI MISSISSIPPI MONTANA NORTH CAROLINA NEBRASKA NEW HAMPSHIRE NEW JERSEY NEW MEXICO NEVADA NEW YORK OHIO OREGON PENNSYLVANIA PUERTO RICO RHODE ISLAND SOUTH CAROLINA TENNESSEE TEXAS UTAH VIRGINIA WASHINGTON WISCONSIN WEST VIRGINIA WYOMING
 

Important Notes Download National Dataset: dbf   |   xls    |   Data dictionary (PDF)

GUAM
County	NAAQS	92	93	94	95	96	97	98	99	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24
Guam	Sulfur Dioxide (1971)	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P
Piti-Cabras	Sulfur Dioxide (2010)																											P	P	P	P	P	P	P

Important Notes

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