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Connecticut Whole or Part County Nonattainment Status by Year Since 1978 for all Criteria Pollutants

As of July 02, 2014
Listed by State, County, Pollutant (W=Whole County,P=Partial County designated nonattainment as of report date)
Select a State:  
AK | AL | AR | AZ | CA | CO | CT | DC | DE | FL | GA | GU | HI | IA | ID | IL | IN | KS | KY | LA | MA | MD | ME | MI | MN | MO |
MS | MT |NC | ND | NE | NH | NJ | NM | NV | NY | OH | OK | OR | PA | PR | RI | SC | TN | TX | UT | VA | VT | WA | WI | WV | WY |

Important Notes

CONNECTICUT
County Pollutant 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
Fairfield Co 8-Hr Ozone (1997) W W W W W W W W W W W
Fairfield Co 8-Hr Ozone (2008) W W W
Fairfield Co PM-2.5 (1997) W W W W W W W W
Fairfield Co PM-2.5 (2006) W W W W
Fairfield County 1-Hr Ozone (1979) W W W W W W W W W W W W W W W W W W W W W W P P P P P P P P P P P P P P P
Fairfield County Carbon Monoxide (1971) W P P P P P P P P P P P W W W W W W W W W
Hartford Co 8-Hr Ozone (1997) W W W W W W W W W W W
Hartford Co 8-Hr Ozone (2008) W W W
Hartford County 1-Hr Ozone (1979) W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W
Hartford County Carbon Monoxide (1971) W P P P P P P P P P P P P P P P P P
Litchfield Co 8-Hr Ozone (1997) W W W W W W W W W W W
Litchfield Co 8-Hr Ozone (2008) W W W
Litchfield County 1-Hr Ozone (1979) W W W W W W W W W W W W W W W W W W W W W W P P P P P P P P P P P P P P P
Litchfield County Carbon Monoxide (1971) W P P P P P P P P P P P P P P P P P P P P
Middlesex Co 8-Hr Ozone (1997) W W W W W W W W W W W
Middlesex Co 8-Hr Ozone (2008) W W W
Middlesex County 1-Hr Ozone (1979) W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W
Middlesex County Carbon Monoxide (1971) P P P P P P P P P P P P P P P P P P
New Haven Co 8-Hr Ozone (1997) W W W W W W W W W W W
New Haven Co 8-Hr Ozone (2008) W W W
New Haven Co PM-2.5 (1997) W W W W W W W W
New Haven Co PM-2.5 (2006) W W W W
New Haven County 1-Hr Ozone (1979) W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W
New Haven County Carbon Monoxide (1971) W W W W W W W W W W W W W W W W W W W W W
New Haven County PM-10 (1987) P P P P P P P P P P P P P P P
New London Co 8-Hr Ozone (1997) W W W W W W W W W W W
New London Co 8-Hr Ozone (2008) W W W
New London County 1-Hr Ozone (1979) W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W
Tolland Co 8-Hr Ozone (1997) W W W W W W W W W W W
Tolland Co 8-Hr Ozone (2008) W W W
Tolland County 1-Hr Ozone (1979) W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W
Tolland County Carbon Monoxide (1971) P P P P P P P P P P P P P P P P P P
Windham Co 8-Hr Ozone (1997) W W W W W W W W W W W
Windham Co 8-Hr Ozone (2008) W W W
Windham County 1-Hr Ozone (1979) W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W


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