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

Data is current as of August 31, 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The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.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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KENTUCKY
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
Boone Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W
Boone Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W
Boone Co 8-Hour Ozone (2008) P P P P P
Boone Co 8-Hour Ozone (2015) P P P P P
Boone Co PM-2.5 (1997) W W W W W W
Boyd Co 1-Hour Ozone (1979)-NAAQS revoked W W W
Boyd Co 8-Hour Ozone (1997)-NAAQS revoked W W W
Boyd Co PM-2.5 (1997) W W W W W W W
Boyd Co Sulfur Dioxide (1971) P P P P P P P P P P P P P P
Bullitt Co 1-Hour Ozone (1979)-NAAQS revoked P P P P P P P P P
Bullitt Co 8-Hour Ozone (1997)-NAAQS revoked W W W
Bullitt Co 8-Hour Ozone (2015) W W W W W W W
Bullitt Co PM-2.5 (1997) W W W W W W W W W W W W
Campbell Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W
Campbell Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W
Campbell Co 8-Hour Ozone (2008) P P P P P
Campbell Co 8-Hour Ozone (2015) P P P P P
Campbell Co PM-2.5 (1997) W W W W W W
Campbell Co Sulfur Dioxide (2010) P P P P
Christian Co 8-Hour Ozone (1997)-NAAQS revoked W W
Daviess Co 1-Hour Ozone (1979)-NAAQS revoked W W W
Edmonson Co 1-Hour Ozone (1979)-NAAQS revoked W W W
Fayette Co 1-Hour Ozone (1979)-NAAQS revoked W W W
Greenup Co 1-Hour Ozone (1979)-NAAQS revoked P P P
Hancock Co 1-Hour Ozone (1979)-NAAQS revoked P P P
Henderson 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
Jefferson Co 8-Hour Ozone (1997)-NAAQS revoked W W W
Jefferson Co 8-Hour Ozone (2015) W W W W W W W
Jefferson Co PM-2.5 (1997) W W W W W W W W W W W W
Jefferson Co Sulfur Dioxide (2010) P P P P P P P
Kenton Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W
Kenton Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W
Kenton Co 8-Hour Ozone (2008) P P P P P
Kenton Co 8-Hour Ozone (2015) P P P P P
Kenton Co PM-2.5 (1997) W W W W W W
Lawrence Co PM-2.5 (1997) P P P P P P P
Livingston Co 1-Hour Ozone (1979)-NAAQS revoked P P P
Marshall Co 1-Hour Ozone (1979)-NAAQS revoked W W W
Muhlenberg Co Sulfur Dioxide (1971) W W W W W W
Oldham Co 1-Hour Ozone (1979)-NAAQS revoked P P P P P P P P P
Oldham Co 8-Hour Ozone (1997)-NAAQS revoked W W W
Oldham Co 8-Hour Ozone (2015) W W W W W W W
Scott Co 1-Hour Ozone (1979)-NAAQS revoked W W W
Webster Co Sulfur Dioxide (2010) P P P P
Important Notes

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