Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 11:33, Jul 16
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Coventry111
- Woodbury109
- Norwich108
- Plainfield103
- Canton100
- Waterford town99
- Hamden96
- Danbury94
- Cheshire92
- Greenwich92
- East Haven91
- Fairfield91
- Waterbury91
- Mansfield87
- New Canaan87
- Oxford86
- Hartford85
- Ashford84
- Berlin83
- Bridgeport83
- Killingworth83
- New Haven83
- Trumbull83
- Groton82
- Guilford82
- Newtown82
- Windsor Locks82
- Byram81
- Montville81
- Pemberwick81
- Branford80
- Canterbury80
- Cos Cob80
- Enfield80
- Glenville80
- Old Greenwich80
- Riverside80
- Rock Ridge80
- Stamford80
- Tolland80
- Winchester80
- Darien Downtown79
- Deep River79
- Lyme79
- Milford town79
- Norwalk79
- Shelton79
- West Mountain79
- Bethel78
- Bigelow Corners78
- Cannondale78
- Gaylordsville78
- Greens Farms78
- Redding78
- Redding Center78
- Ridgefield78
- Saugatuck78
- Western Connecticut78
- Weston78
- Wilton Center78
- Bethlehem Village77
- Canaan77
- Cornwall77
- East Hartford77
- Glastonbury77
- Greater Bridgeport77
- Greenwich town77
- Heritage Village77
- Litchfield77
- Middlebury77
- New Milford77
- New Preston77
- Northwest Hills77
- Sandy Hook77
- Southport77
- Tashua77
- Torrington77
- Torrington town77
- Trumbull Center77
- Washington77
- Watertown77
- West Hartford77
- Woodbury Center77
- Ansonia76
- Colebrook76
- Derby76
- Lordship76
- Milford76
- Naugatuck76
- Naugatuck Valley76
- Northwest Harwinton76
- Oakville76
- Oronoque76
- Plymouth76
- Prospect76
- Riverton76
- Seymour76
- Stratford76
- Terryville76
- Thomaston76
- Waterford76
- Winsted76
- Bristol75
- Cheshire Village75
- Collinsville75
- New Hartford Center75
- Orange75
- Quinnipiac University75
- West Haven75
- Woodbridge75
- Woodmont75
- Canton Valley74
- Farmington74
- Lebanon74
- North Haven74
- Plainville74
- Plantsville74
- Southington74
- Branford Center73
- Meriden73
- Northford73
- Sherman73
- South Central Connecticut73
- Wallingford73
- Wallingford Center73
- Weatogue73
- West Simsbury73
- Durham72
- Guilford Center72
- Kensington72
- New Britain72
- Newington72
- North Granby72
- Salmon Brook72
- Simsbury Center72
- Blue Hills71
- Clinton71
- Cromwell71
- Higganum71
- Madison71
- Madison Center71
- Middletown71
- Portland71
- Tariffville71
- Wethersfield71
- Capitol70
- Chester Center70
- Deep River Center70
- East Hampton70
- Essex Village70
- Fenwick70
- Glastonbury Center70
- Lake Pocotopaug70
- Lower Connecticut River Valley70
- Moodus70
- Niantic70
- Old Lyme70
- Old Saybrook Center70
- Salem70
- Saybrook Manor70
- Terramuggus70
- Westbrook Center70
- Windsor70
- Broad Brook69
- Colchester69
- Conning Towers-Nautilus Park69
- Gales Ferry69
- Hebron69
- Long Hill, Southeastern Connecticut County69
- Manchester69
- Mashantucket69
- Mystic69
- New London69
- Noank69
- Old Mystic69
- Oxoboxo River69
- Pawcatuck69
- Poquonock Bridge69
- Rockville69
- South Windsor69
- Southeastern Connecticut69
- Southwood Acres69
- Suffield Depot69
- Thompsonville69
- Baltic68
- Coventry Lake68
- Ellington68
- Hazardville68
- Jewett City68
- Lisbon68
- Sherwood Manor68
- South Coventry68
- South Windham68
- Storrs68
- Willimantic68
- Crystal Lake67
- Mansfield Center67
- Plainfield Village67
- Somers67
- Danielson66
- East Brooklyn66
- Moosup66
- Northeastern Connecticut66
- Pomfret66
- Quasset Lake66
- South Woodstock66
- Stafford Springs66
- Wauregan66
- Westport66
- Mechanicsville65
- North Grosvenor Dale65
- Quinebaug65
- Stafford64
