Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 01:02, Oct 09
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time information
Active fires
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Which is the most polluted city in Connecticut?
- Waterbury50
- East Hartford41
- Cornwall40
- New Haven40
- Mystic32
- Noank32
- Old Mystic32
- Pawcatuck32
- Poquonock Bridge32
- Conning Towers-Nautilus Park31
- Gales Ferry31
- Long Hill, Southeastern Connecticut County31
- Mashantucket31
- New London31
- Niantic31
- Oxoboxo River30
- Southeastern Connecticut30
- Fenwick29
- Jewett City29
- Lisbon29
- Montville29
- New Canaan29
- Norwich29
- Old Lyme29
- Old Saybrook Center29
- Baltic28
- Moosup28
- Plainfield Village28
- Salem28
- Saybrook Manor28
- Westbrook Center28
- Clinton27
- Deep River Center27
- Wauregan27
- Chester Center26
- Danielson26
- East Brooklyn26
- Lyme26
- Madison Center26
- Guilford Center25
- Lower Connecticut River Valley25
- Plainfield25
- Colchester24
- Groton24
- Madison24
- Moodus24
- Northeastern Connecticut24
- South Windham24
- Trumbull24
- Bolton23
- Branford Center23
- Deep River23
- Middletown23
- Pomfret23
- Willimantic23
- Woodmont23
- Fairfield22
- Lordship22
- Mansfield Center22
- Mechanicsville22
- Milford22
- Quasset Lake22
- Shelton22
- South Central Connecticut22
- South Woodstock22
- West Hartford22
- Bridgeport21
- Canterbury21
- Durham21
- East Hampton21
- Greater Bridgeport21
- Hartford21
- Higganum21
- Lake Pocotopaug21
- Mansfield21
- North Grosvenor Dale21
- Northford21
- Old Greenwich21
- Orange21
- South Coventry21
- Southington21
- Stratford21
- West Haven21
- Windsor21
- Berlin20
- Branford20
- Glastonbury20
- Greens Farms20
- Killingworth20
- Lebanon20
- North Haven20
- Oxford20
- Quinebaug20
- Southport20
- Storrs20
- Terramuggus20
- Winchester20
- Ansonia19
- Byram19
- Cos Cob19
- Coventry19
- Coventry Lake19
- Darien Downtown19
- Derby19
- Norwalk19
- Oronoque19
- Pemberwick19
- Portland19
- Quinnipiac University19
- Riverside19
- Saugatuck19
- Stamford19
- Trumbull Center19
- Wallingford19
- Wallingford Center19
- Westport19
- Woodbridge19
- Ashford18
- Cheshire Village18
- Cromwell18
- Enfield18
- Glenville18
- Greenwich town18
- Meriden18
- Milford town18
- Rock Ridge18
- Seymour18
- Sherman18
- Tashua18
- Weston18
- Bethel17
- Cannondale17
- Cheshire17
- East Haven17
- Glastonbury Center17
- Kensington17
- Manchester17
- Naugatuck17
- Plantsville17
- Prospect17
- Redding Center17
- Ridgefield17
- Sandy Hook17
- Tolland17
- Washington17
- Western Connecticut17
- Wethersfield17
- Wilton Center17
- Bethlehem Village16
- Bigelow Corners16
- Blue Hills16
- Bristol16
- Canton16
- Canton Valley16
- Capitol16
- Colebrook16
- Collinsville16
- Farmington16
- Gaylordsville16
- Hebron16
- Heritage Village16
- Litchfield16
- Middlebury16
- Naugatuck Valley16
- New Britain16
- New Hartford Center16
- New Milford16
- New Preston16
- Newington16
- Newtown16
- Northwest Harwinton16
- Oakville16
- Plainville16
- Plymouth16
- Rockville16
- Simsbury Center16
- South Windsor16
- Stafford Springs16
- Terryville16
- Thomaston16
- Torrington16
- Torrington town16
- Watertown16
- Weatogue16
- West Simsbury16
- Woodbury16
- Woodbury Center16
- Broad Brook15
- Crystal Lake15
- Ellington15
- Northwest Hills15
- Stafford15
- Tariffville15
- Windsor Locks15
- Guilford14
- Hamden14
- Riverton14
- Salmon Brook14
- Southwood Acres14
- Winsted14
- Greenwich13
- Hazardville13
- Somers13
- Suffield Depot13
- Thompsonville13
- Waterford13
- Danbury12
- North Granby12
- Sherwood Manor12
- Canaan11
- Killingly6
- Old Saybrook6
- Redding6
- Essex Village3
- Simsbury0
- Waterford town0
- West Mountain0
