Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 18:43, Nov 13
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time information
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Which is the most polluted city in Connecticut?
- Cornwall44
- Fairfield31
- Bolton28
- East Haven28
- Derby25
- Ansonia24
- Bridgeport24
- Shelton24
- East Hartford23
- Killingly23
- Oxford23
- Simsbury23
- Trumbull23
- Berlin22
- Danbury22
- Hamden22
- Pomfret22
- Newtown21
- Old Saybrook21
- Deep River19
- New Haven19
- Greenwich17
- Hartford17
- Montville17
- Tolland17
- Waterbury17
- Mansfield16
- Groton15
- Killingworth14
- Branford13
- Middletown13
- Sherman13
- West Hartford13
- Windsor13
- New Canaan12
- Canterbury11
- Glastonbury11
- Hebron11
- Lebanon9
- Milford town8
- Riverton7
- Woodbury7
- Ashford6
- Baltic6
- Bethel6
- Bethlehem Village6
- Bigelow Corners6
- Blue Hills6
- Branford Center6
- Bristol6
- Broad Brook6
- Byram6
- Canaan6
- Cannondale6
- Canton6
- Canton Valley6
- Capitol6
- Cheshire Village6
- Chester Center6
- Clinton6
- Colchester6
- Colebrook6
- Collinsville6
- Conning Towers-Nautilus Park6
- Cos Cob6
- Coventry Lake6
- Cromwell6
- Crystal Lake6
- Danielson6
- Darien Downtown6
- Deep River Center6
- Durham6
- East Brooklyn6
- East Hampton6
- Ellington6
- Essex Village6
- Farmington6
- Fenwick6
- Gales Ferry6
- Gaylordsville6
- Glastonbury Center6
- Glenville6
- Greater Bridgeport6
- Greens Farms6
- Greenwich town6
- Guilford Center6
- Hazardville6
- Heritage Village6
- Higganum6
- Jewett City6
- Kensington6
- Lake Pocotopaug6
- Lisbon6
- Litchfield6
- Long Hill, Southeastern Connecticut County6
- Lordship6
- Lower Connecticut River Valley6
- Lyme6
- 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 Milford6
- New Preston6
- Newington6
- Niantic6
- Noank6
- North Granby6
- North Grosvenor Dale6
- North Haven6
- Northeastern Connecticut6
- Northford6
- Northwest Harwinton6
- Northwest Hills6
- Norwalk6
- Norwich6
- Oakville6
- Old Greenwich6
- Old Lyme6
- Old Mystic6
- Old Saybrook Center6
- Orange6
- Oronoque6
- Oxoboxo River6
- Pawcatuck6
- Pemberwick6
- Plainfield Village6
- Plainville6
- Plantsville6
- Plymouth6
- Poquonock Bridge6
- Portland6
- Prospect6
- Quasset Lake6
- Quinebaug6
- Quinnipiac University6
- Redding6
- Redding Center6
- Ridgefield6
- Riverside6
- Rock Ridge6
- Rockville6
- Salem6
- Salmon Brook6
- Sandy Hook6
- Saugatuck6
- Saybrook Manor6
- Seymour6
- Sherwood Manor6
- Simsbury Center6
- Somers6
- South Central Connecticut6
- South Coventry6
- South Windham6
- South Windsor6
- South Woodstock6
- Southeastern Connecticut6
- Southington6
- Southport6
- Southwood Acres6
- Stafford6
- Stafford Springs6
- Stamford6
- Storrs6
- Stratford6
- Suffield Depot6
- Tariffville6
- Tashua6
- Terramuggus6
- Terryville6
- Thomaston6
- Thompsonville6
- Torrington6
- Torrington town6
- Trumbull Center6
- Wallingford6
- Wallingford Center6
- Washington6
- Waterford6
- Waterford town6
- Watertown6
- Wauregan6
- Weatogue6
- West Haven6
- West Simsbury6
- Westbrook Center6
- Western Connecticut6
- Weston6
- Westport6
- Wethersfield6
- Willimantic6
- Wilton Center6
- Windsor Locks6
- Winsted6
- Woodbridge6
- Woodbury Center6
- Woodmont6
- Guilford5
- Enfield3
- Plainfield2
- Columbia1
- Cheshire0
- West Mountain0
