Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 17:57, May 19
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- East Hartford86
- Capitol76
- Cheshire76
- Waterbury76
- Hartford74
- Middletown74
- Naugatuck Valley73
- Woodbury73
- Danbury69
- Oxford69
- Quinnipiac University69
- Waterford69
- New London68
- West Hartford68
- Bridgeport67
- Enfield67
- Glastonbury67
- Groton67
- Shelton67
- Windsor Locks67
- Greater Bridgeport66
- Newtown66
- Oronoque66
- Branford65
- Clinton65
- East Haven65
- Mansfield65
- Deep River Center64
- Lyme64
- Montville64
- New Haven64
- Norwich64
- Berlin63
- Greenwich63
- Guilford63
- Canton61
- Old Greenwich61
- Tolland61
- Western Connecticut61
- Mansfield Center60
- Winsted60
- Canterbury59
- Cornwall59
- Weston59
- Byram58
- Cannondale58
- Cos Cob58
- Darien Downtown58
- Glenville58
- New Canaan58
- Norwalk58
- Pemberwick58
- Riverside58
- Rock Ridge58
- Saugatuck58
- Stamford58
- Wilton Center58
- Ansonia57
- Bethel57
- Bethlehem Village57
- Bigelow Corners57
- Bristol57
- Canton Valley57
- Cheshire Village57
- Collinsville57
- Derby57
- Farmington57
- Gaylordsville57
- Greens Farms57
- Heritage Village57
- Kensington57
- Litchfield57
- Lordship57
- Meriden57
- Middlebury57
- Milford57
- Naugatuck57
- New Britain57
- New Hartford Center57
- New Milford57
- New Preston57
- North Haven57
- Northford57
- Northwest Harwinton57
- Northwest Hills57
- Oakville57
- Orange57
- Plainville57
- Plantsville57
- Plymouth57
- Prospect57
- Redding Center57
- Ridgefield57
- Sandy Hook57
- Seymour57
- South Central Connecticut57
- Southington57
- Southport57
- Tashua57
- Terryville57
- Thomaston57
- Torrington57
- Torrington town57
- Trumbull Center57
- Wallingford57
- Wallingford Center57
- Washington57
- Watertown57
- West Haven57
- West Mountain57
- Woodbridge57
- Woodbury Center57
- Woodmont57
- Blue Hills56
- Branford Center56
- Broad Brook56
- Canaan56
- Chester Center56
- Colchester56
- Coventry Lake56
- Cromwell56
- Crystal Lake56
- Durham56
- East Hampton56
- Ellington56
- Essex Village56
- Fenwick56
- Glastonbury Center56
- Guilford Center56
- Hazardville56
- Hebron56
- Higganum56
- Lake Pocotopaug56
- Lower Connecticut River Valley56
- Madison Center56
- Manchester56
- Moodus56
- Newington56
- Niantic56
- North Granby56
- Old Lyme56
- Old Saybrook Center56
- Oxoboxo River56
- Portland56
- Rockville56
- Salem56
- Salmon Brook56
- Saybrook Manor56
- Sherwood Manor56
- Simsbury Center56
- Somers56
- South Coventry56
- South Windsor56
- Southeastern Connecticut56
- Southwood Acres56
- Stafford Springs56
- Storrs56
- Suffield Depot56
- Tariffville56
- Terramuggus56
- Thompsonville56
- Waterford town56
- Weatogue56
- West Simsbury56
- Westbrook Center56
- Wethersfield56
- Willimantic56
- Winchester56
- Windsor56
- Baltic55
- Conning Towers-Nautilus Park55
- Danielson55
- East Brooklyn55
- Gales Ferry55
- Jewett City55
- Lisbon55
- Long Hill, Southeastern Connecticut County55
- Mashantucket55
- Mechanicsville55
- Moosup55
- Mystic55
- Noank55
- North Grosvenor Dale55
- Northeastern Connecticut55
- Old Mystic55
- Pawcatuck55
- Plainfield55
- Plainfield Village55
- Pomfret55
- Poquonock Bridge55
- Quasset Lake55
- Quinebaug55
- South Windham55
- South Woodstock55
- Wauregan55
- Sherman54
- Riverton32
