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Texas 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The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.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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TEXAS
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
Anderson Co Sulfur Dioxide (2010) P P P P P P P P
Bexar Co 8-Hour Ozone (2015) W W W W W W W
Brazoria Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Brazoria Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Brazoria Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Brazoria Co 8-Hour Ozone (2015) W W W W W W W
Chambers Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Chambers Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Chambers Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Chambers Co 8-Hour Ozone (2015) W W W W W W W
Collin Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Collin Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Collin Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Collin Co 8-Hour Ozone (2015) W W W W W W W
Collin Co Lead (1978) P P P P P P P
Collin Co Lead (2008) P P P P P P P
Dallas Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Dallas Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Dallas Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Dallas Co 8-Hour Ozone (2015) W W W W W W W
Denton Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Denton Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Denton Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Denton Co 8-Hour Ozone (2015) W W W W W W W
El Paso Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
El Paso Co Carbon Monoxide (1971) P P P P P P P P P P P P P P P P
El Paso Co PM-10 (1987) 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
El Paso County 8-Hour Ozone (2015) W W W W W W W
Ellis Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Ellis Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Ellis Co 8-Hour Ozone (2015) W W W W W W W
Fort Bend Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Fort Bend Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Fort Bend Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Fort Bend Co 8-Hour Ozone (2015) W W W W W W W
Freestone Co Sulfur Dioxide (2010) P P P P P P P P
Galveston Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Galveston Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Galveston Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Galveston Co 8-Hour Ozone (2015) W W W W W W W
Hardin Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Hardin Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W
Harris Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Harris Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Harris Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Harris Co 8-Hour Ozone (2015) W W W W W W W
Howard Co Sulfur Dioxide (2010) P P P P
Hutchinson Co Sulfur Dioxide (2010) P P P P
Jefferson Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Jefferson Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W
Johnson Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Johnson Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Johnson Co 8-Hour Ozone (2015) W W W W W W W
Kaufman Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Kaufman Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Kaufman Co 8-Hour Ozone (2015) W W W W W W W
Liberty Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Liberty Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Liberty Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Montgomery Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Montgomery Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Montgomery Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Montgomery Co 8-Hour Ozone (2015) W W W W W W W
Navarro Co Sulfur Dioxide (2010) P P P P
Orange Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Orange Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W
Panola Co Sulfur Dioxide (2010) P P P P P P P P
Parker Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Parker Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Parker Co 8-Hour Ozone (2015) W W W W W W W
Rockwall Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Rockwall Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Rusk Co Sulfur Dioxide (2010) P P P P P P P P
Tarrant Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Tarrant Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Tarrant Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Tarrant Co 8-Hour Ozone (2015) W W W W W W W
Titus Co Sulfur Dioxide (2010) P P P P P P P P
Victoria Co 1-Hour Ozone (1979)-NAAQS revoked W W W
Waller Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Waller Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W W W W W
Waller Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Wise Co 8-Hour Ozone (2008) W W W W W W W W W W W W W
Wise Co 8-Hour Ozone (2015) W W W W W W W
Important Notes

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