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

As of February 13, 2017
The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on June 15, 2005.
Listed by State, County, NAAQS (W=Whole County,P=Partial County designated nonattainment as of report date)

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Important Notes
ILLINOIS
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
Cook Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Cook Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Cook Co 8-Hour Ozone (2008) W W W W W W
Cook Co Lead (2008) P P P P P P P
Cook Co PM-10 (1987) P P P P P P P P P P P P P
Cook Co PM-2.5 (1997) W W W W W W W W
Cook Co Sulfur Dioxide (2010) P P P P P
Du Page Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Du Page Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Du Page Co 8-Hour Ozone (2008) W W W W W W
Du Page Co PM-2.5 (1997) W W W W W W W W
Grundy Co 1-Hour Ozone (1979)-NAAQS revoked P P P P P P P P P P P P P
Grundy Co 8-Hour Ozone (1997)-NAAQS revoked P P P P P P P P
Grundy Co 8-Hour Ozone (2008) P P P P P P
Grundy Co PM-2.5 (1997) P P P P P P P P
Jersey Co 1-Hour Ozone (1979)-NAAQS revoked W W W
Jersey Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Kane Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Kane Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Kane Co 8-Hour Ozone (2008) W W W W W W
Kane Co PM-2.5 (1997) W W W W W W W W
Kendall Co 1-Hour Ozone (1979)-NAAQS revoked P P P P P P P P P P P P P
Kendall Co 8-Hour Ozone (1997)-NAAQS revoked P P P P P P P P
Kendall Co 8-Hour Ozone (2008) P P P P P P
Kendall Co PM-2.5 (1997) P P P P P P P P
La Salle Co PM-10 (1987) P P P P
Lake Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Lake Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Lake Co 8-Hour Ozone (2008) W W W W W W
Lake Co PM-2.5 (1997) W W W W W W W W
Madison Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W
Madison Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Madison Co 8-Hour Ozone (2008) W W W W W W
Madison Co Lead (2008) P P P P P P P P
Madison Co PM-10 (1987) P P P P P P
Madison Co PM-2.5 (1997) W W W W W W W W W W W W W
Madison Co Sulfur Dioxide (2010) P P
Mc Henry Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Mc Henry Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Mc Henry Co 8-Hour Ozone (2008) W W W W W W
Mc Henry Co PM-2.5 (1997) W W W W W W W W
Monroe Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W
Monroe Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Monroe Co 8-Hour Ozone (2008) W W W W W W
Monroe Co PM-2.5 (1997) W W W W W W W W W W W W W
Peoria Co Sulfur Dioxide (1971) P P P
Peoria Co Sulfur Dioxide (2010) P P P P P
Randolph Co PM-2.5 (1997) P P P P P P P P P P P P P
St Clair Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W
St Clair Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
St Clair Co 8-Hour Ozone (2008) W W W W W W
St Clair Co PM-2.5 (1997) W W W W W W W W W W W W W
Tazewell Co Sulfur Dioxide (1971) P P P
Tazewell Co Sulfur Dioxide (2010) P P P P P
Will Co 1-Hour Ozone (1979)-NAAQS revoked W W W W W W W W W W W W W
Will Co 8-Hour Ozone (1997)-NAAQS revoked W W W W W W W W
Will Co 8-Hour Ozone (2008) W W W W W W
Will Co PM-2.5 (1997) W W W W W W W W
Will Co Sulfur Dioxide (2010) P P P P P
Williamson Co Sulfur Dioxide (2010) W W
Important Notes

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