Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 12:59, Oct 22
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
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Which is the most polluted city in Connecticut?
- Shelton75
- Cornwall23
- Killingly21
- New Haven20
- East Hartford19
- Pomfret19
- Fairfield16
- Hartford16
- Berlin15
- Montville15
- Plainfield14
- Waterbury14
- Branford13
- Greenwich13
- Southington13
- Bridgeport12
- Byram12
- Danbury12
- Glenville12
- Hamden12
- Killingworth12
- Mansfield12
- Pemberwick12
- Sherman12
- Trumbull12
- West Hartford12
- Winchester12
- Greenwich town11
- Groton11
- Hebron11
- Milford town11
- Rock Ridge11
- Windsor11
- Cos Cob10
- Deep River10
- Glastonbury10
- New Canaan10
- Bolton9
- East Haven9
- Old Greenwich9
- Riverside9
- Canaan8
- Gaylordsville8
- Guilford8
- Middletown8
- Oxford8
- Stamford8
- Tolland8
- West Mountain8
- Bigelow Corners7
- Canterbury7
- Lyme7
- New Milford7
- Ridgefield7
- Ansonia6
- Ashford6
- Baltic6
- Bethel6
- Bethlehem Village6
- Blue Hills6
- Branford Center6
- Bristol6
- Broad Brook6
- Cannondale6
- Canton Valley6
- Capitol6
- Cheshire Village6
- Chester Center6
- Clinton6
- Colchester6
- Collinsville6
- Conning Towers-Nautilus Park6
- Coventry6
- Coventry Lake6
- Cromwell6
- Crystal Lake6
- Danielson6
- Darien Downtown6
- Deep River Center6
- Derby6
- Durham6
- East Brooklyn6
- East Hampton6
- Ellington6
- Enfield6
- Essex Village6
- Farmington6
- Fenwick6
- Gales Ferry6
- Glastonbury Center6
- Greater Bridgeport6
- Greens Farms6
- Guilford Center6
- Hazardville6
- Heritage Village6
- Higganum6
- Jewett City6
- Kensington6
- Lake Pocotopaug6
- Lebanon6
- Lisbon6
- Litchfield6
- Long Hill, Southeastern Connecticut County6
- Lordship6
- Lower Connecticut River Valley6
- Madison6
- Madison Center6
- Manchester6
- Mansfield Center6
- Mashantucket6
- Mechanicsville6
- Meriden6
- Middlebury6
- Milford6
- Moodus6
- Moosup6
- Mystic6
- Naugatuck6
- Naugatuck Valley6
- New Britain6
- New Hartford Center6
- New London6
- New Preston6
- Newington6
- Newtown6
- Niantic6
- Noank6
- North Granby6
- North Grosvenor Dale6
- North Haven6
- Northeastern Connecticut6
- Northford6
- Northwest Harwinton6
- Northwest Hills6
- Norwalk6
- Norwich6
- Oakville6
- Old Lyme6
- Old Mystic6
- Old Saybrook Center6
- Orange6
- Oronoque6
- Oxoboxo River6
- Pawcatuck6
- Plainfield Village6
- Plainville6
- Plantsville6
- Plymouth6
- Poquonock Bridge6
- Portland6
- Prospect6
- Quasset Lake6
- Quinebaug6
- Quinnipiac University6
- Redding Center6
- Riverton6
- Rockville6
- Salem6
- Salmon Brook6
- Sandy Hook6
- Saugatuck6
- Saybrook Manor6
- Seymour6
- Sherwood Manor6
- Simsbury6
- Simsbury Center6
- Somers6
- South Central Connecticut6
- South Coventry6
- South Windham6
- South Windsor6
- South Woodstock6
- Southeastern Connecticut6
- Southport6
- Southwood Acres6
- Stafford6
- Stafford Springs6
- Storrs6
- Stratford6
- Suffield Depot6
- Tariffville6
- Tashua6
- Terramuggus6
- Terryville6
- Thomaston6
- Thompsonville6
- Torrington6
- Torrington town6
- Trumbull Center6
- Wallingford6
- Wallingford Center6
- Waterford town6
- Watertown6
- Wauregan6
- Weatogue6
- West Haven6
- West Simsbury6
- Westbrook Center6
- Western Connecticut6
- Weston6
- Westport6
- Wethersfield6
- Willimantic6
- Wilton Center6
- Windsor Locks6
- Winsted6
- Woodbridge6
- Woodbury6
- Woodbury Center6
- Woodmont6
- Washington3
- Waterford3
- Colebrook2
- Redding1
- Canton0
- Cheshire0
- Old Saybrook0
