Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 15:35, May 26
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Ashford
- Trumbull
- Westport
- Bethlehem Village52
- Bigelow Corners52
- Canaan52
- Canton52
- Canton Valley52
- Collinsville52
- Gaylordsville52
- Litchfield52
- New Hartford Center52
- New Preston52
- North Granby52
- Northwest Harwinton52
- Northwest Hills52
- Plymouth52
- Riverton52
- Salmon Brook52
- Simsbury Center52
- Tariffville52
- Terryville52
- Thomaston52
- Torrington52
- Torrington town52
- Washington52
- Watertown52
- Weatogue52
- West Simsbury52
- Winchester52
- Bethel51
- Blue Hills51
- Bristol51
- Cannondale51
- Farmington51
- Heritage Village51
- Middlebury51
- Naugatuck Valley51
- Oakville51
- Plainville51
- Redding Center51
- Ridgefield51
- Southwood Acres51
- Suffield Depot51
- Thompsonville51
- West Mountain51
- Windsor51
- Woodbury Center51
- Byram50
- Cos Cob50
- Darien Downtown50
- Glenville50
- Greenwich town50
- Hazardville50
- Naugatuck50
- New Britain50
- New Canaan50
- Newington50
- Norwalk50
- Old Greenwich50
- Pemberwick50
- Plantsville50
- Riverside50
- Rock Ridge50
- Sandy Hook50
- Sherwood Manor50
- South Windsor50
- Stamford50
- Wilton Center50
- Broad Brook49
- Capitol49
- Cheshire49
- Cheshire Village49
- Cromwell49
- Ellington49
- Glastonbury Center49
- Greens Farms49
- Kensington49
- Manchester49
- Meriden49
- Prospect49
- Saugatuck49
- Seymour49
- Somers49
- Southport49
- Tashua49
- Trumbull Center49
- Wethersfield49
- Ansonia48
- Crystal Lake48
- Derby48
- Lordship48
- Middletown48
- Oronoque48
- Portland48
- Quinnipiac University48
- Rockville48
- Stratford48
- Wallingford48
- Woodbridge48
- Durham47
- Milford47
- North Haven47
- Northford47
- Orange47
- Stafford Springs47
- Terramuggus47
- Wallingford Center47
- West Haven47
- Woodmont47
- Branford Center46
- Coventry Lake46
- East Hampton46
- Guilford Center46
- Higganum46
- Lake Pocotopaug46
- South Central Connecticut46
- Madison45
- Madison Center45
- South Coventry45
- Storrs45
- Chester Center44
- Clinton44
- Colchester44
- Deep River Center44
- Essex Village44
- Fenwick44
- Lower Connecticut River Valley44
- Moodus44
- Old Saybrook Center44
- Saybrook Manor44
- Westbrook Center44
- Niantic43
- Old Lyme43
- Salem43
- South Windham43
- Willimantic43
- Baltic42
- Conning Towers-Nautilus Park42
- Gales Ferry42
- Long Hill, Southeastern Connecticut County42
- New London42
- Oxoboxo River42
- Poquonock Bridge42
- Southeastern Connecticut42
- Waterford42
- Jewett City41
- Lisbon41
- Mashantucket41
- Mystic41
- Noank41
- North Grosvenor Dale41
- Northeastern Connecticut41
- Old Mystic41
- Pomfret41
- Quasset Lake41
- Quinebaug41
- South Woodstock41
- East Brooklyn40
- Mechanicsville40
- Pawcatuck40
- Plainfield Village40
- Wauregan40
- Danielson39
- Moosup39
- Shelton37
- Canterbury31
- Cornwall30
- Hartford29
- New Milford29
- East Hartford28
- Fairfield28
- Montville28
- Groton27
- Killingworth27
- Stafford27
- Lyme25
- New Haven25
- Bridgeport24
- Glastonbury24
- Waterbury24
- Lebanon23
- Southington22
- Coventry21
- Deep River21
- Mansfield21
- Windsor Locks21
- Oxford19
- Sherman19
- Berlin18
- Enfield17
- Tolland17
- West Hartford17
- Branford16
- Danbury16
- Greenwich16
- Woodbury16
- Hamden15
- Plainfield14
- East Haven13
- Hebron13
- Newtown13
- Guilford12
- Waterford town11
- Colebrook9
- Milford town9
- Norwich9
- Redding5
