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Connecticut Nonattainment/Maintenance Status for Each County by Year for All Criteria Pollutants

As of July 02, 2014
Listed by County, Pollutant, then Area
Select a State:  
AK | AL | AR | AZ | CA | CO | CT | DC | DE | FL | GA | GU | IA | ID | IL | IN | KS | KY | LA | MA | MD | ME | MI | MN |
MO | MS | MT | NC | NE | NH | NJ | NM | NV | NY | OH | OR | PA | PR | RI | SC | TN | TX | UT | VA | WA | WI | WV | WY |
Important Notes
County   Pollutant   AreaName Nonattainment in Year Redesignation
to Maintenance
Classification Cty NA
Whole/
Part
Population
(2010)
FIPS
State/
Cnty
CONNECTICUT
Fairfield Co 1-Hr Ozone (1979) Greater Connecticut, CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Serious Part 39,559 09/001
Fairfield Co 1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Severe 17 Part 877,270 09/001
Fairfield Co 8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                04 05 06 07 08 09 10 11 12 13 14
/ / Moderate Whole 916,829 09/001
Fairfield Co 8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                                                12 13 14
/ / Marginal Whole 916,829 09/001
Fairfield Co Carbon Monoxide (1971) New Haven-Meriden-Waterbury, CT
92 93 94 95 96 97                                                                    
12/04/1998 Not Classified Part 39,579 09/001
Fairfield Co Carbon Monoxide (1971) New York-N. New Jersey-Long Island, NY-NJ-CT
92 93 94 95 96 97 98                                                                
05/10/1999 Moderate > 12.7ppm Part 877,270 09/001
Fairfield Co PM-2.5 (1997) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                    05 06 07 08 09 10 11 12        
10/24/2013 Former Subpart 1 Whole 916,829 09/001
Fairfield Co PM-2.5 (2006) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                                    09 10 11 12        
10/24/2013 Former Subpart 1 Whole 916,829 09/001
Hartford Co 1-Hr Ozone (1979) Greater Connecticut, CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Serious Whole 894,014 09/003
Hartford Co 8-Hr Ozone (1997) Greater Connecticut, CT
                                                04 05 06 07 08 09 10 11 12 13 14
/ / Moderate Whole 894,014 09/003
Hartford Co 8-Hr Ozone (2008) Greater Connecticut, CT
                                                                                12 13 14
/ / Marginal Whole 894,014 09/003
Hartford Co Carbon Monoxide (1971) Hartford-New Britain-Middletown, CT
92 93 94 95                                                                            
01/02/1996 Moderate <= 12.7ppm Part 891,900 09/003
Litchfield Co 1-Hr Ozone (1979) Greater Connecticut, CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Serious Part 160,058 09/005
Litchfield Co 1-Hr Ozone (1979) New York-N. New Jersey-Long Island, NY-NJ-CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Severe 17 Part 30,172 09/005
Litchfield Co 8-Hr Ozone (1997) Greater Connecticut, CT
                                                04 05 06 07 08 09 10 11 12 13 14
/ / Moderate Whole 189,927 09/005
Litchfield Co 8-Hr Ozone (2008) Greater Connecticut, CT
                                                                                12 13 14
/ / Marginal Whole 189,927 09/005
Litchfield Co Carbon Monoxide (1971) Hartford-New Britain-Middletown, CT
92 93 94 95                                                                            
01/02/1996 Moderate <= 12.7ppm Part 12,127 09/005
Litchfield Co Carbon Monoxide (1971) New Haven-Meriden-Waterbury, CT
92 93 94 95 96 97                                                                    
12/04/1998 Not Classified Part 43,556 09/005
Litchfield Co Carbon Monoxide (1971) New York-N. New Jersey-Long Island, NY-NJ-CT
92 93 94 95 96 97 98                                                                
05/10/1999 Moderate > 12.7ppm Part 30,172 09/005
Middlesex Co 1-Hr Ozone (1979) Greater Connecticut, CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Serious Whole 165,676 09/007
Middlesex Co 8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                04 05 06 07 08 09 10 11 12 13 14
/ / Moderate Whole 165,676 09/007
Middlesex Co 8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                                                12 13 14
/ / Marginal Whole 165,676 09/007
Middlesex Co Carbon Monoxide (1971) Hartford-New Britain-Middletown, CT
92 93 94 95                                                                            
01/02/1996 Moderate <= 12.7ppm Part 113,405 09/007
New Haven Co 1-Hr Ozone (1979) Greater Connecticut, CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Serious Whole 862,477 09/009
New Haven Co 8-Hr Ozone (1997) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                04 05 06 07 08 09 10 11 12 13 14
/ / Moderate Whole 862,477 09/009
New Haven Co 8-Hr Ozone (2008) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                                                12 13 14
/ / Marginal Whole 862,477 09/009
New Haven Co Carbon Monoxide (1971) New Haven-Meriden-Waterbury, CT
92 93 94 95 96 97                                                                    
12/04/1998 Not Classified Whole 862,477 09/009
New Haven Co PM-10 (1987) New Haven Co, CT
92 93 94 95 96 97 98 99 00 01 02 03 04                                        
12/12/2005 Moderate Part 129,779 09/009
New Haven Co PM-2.5 (1997) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                    05 06 07 08 09 10 11 12        
10/24/2013 Former Subpart 1 Whole 862,477 09/009
New Haven Co PM-2.5 (2006) New York-N. New Jersey-Long Island, NY-NJ-CT
                                                                    09 10 11 12        
10/24/2013 Former Subpart 1 Whole 862,477 09/009
New London Co 1-Hr Ozone (1979) Greater Connecticut, CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Serious Whole 274,055 09/011
New London Co 8-Hr Ozone (1997) Greater Connecticut, CT
                                                04 05 06 07 08 09 10 11 12 13 14
/ / Moderate Whole 274,055 09/011
New London Co 8-Hr Ozone (2008) Greater Connecticut, CT
                                                                                12 13 14
/ / Marginal Whole 274,055 09/011
Tolland Co 1-Hr Ozone (1979) Greater Connecticut, CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Serious Whole 152,691 09/013
Tolland Co 8-Hr Ozone (1997) Greater Connecticut, CT
                                                04 05 06 07 08 09 10 11 12 13 14
/ / Moderate Whole 152,691 09/013
Tolland Co 8-Hr Ozone (2008) Greater Connecticut, CT
                                                                                12 13 14
/ / Marginal Whole 152,691 09/013
Tolland Co Carbon Monoxide (1971) Hartford-New Britain-Middletown, CT
92 93 94 95                                                                            
01/02/1996 Moderate <= 12.7ppm Part 89,246 09/013
Windham Co 1-Hr Ozone (1979) Greater Connecticut, CT
92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
/ / Serious Whole 118,428 09/015
Windham Co 8-Hr Ozone (1997) Greater Connecticut, CT
                                                04 05 06 07 08 09 10 11 12 13 14
/ / Moderate Whole 118,428 09/015
Windham Co 8-Hr Ozone (2008) Greater Connecticut, CT
                                                                                12 13 14
/ / Marginal Whole 118,428 09/015
Important Notes

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