Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 10:46, Jul 15
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Greenwich town103
- Stratford103
- Middletown95
- Groton88
- Madison88
- Pomfret81
- Norwich78
- Coventry76
- Waterford town70
- Canton69
- Woodbury68
- Hamden66
- East Haven63
- Hartford63
- Cornwall61
- Canaan60
- Canton Valley60
- Colebrook60
- Collinsville60
- Litchfield60
- Mansfield60
- New Hartford Center60
- New Preston60
- North Granby60
- Northwest Harwinton60
- Northwest Hills60
- Pawcatuck60
- Riverton60
- Salmon Brook60
- Simsbury Center60
- Tariffville60
- Torrington60
- Torrington town60
- West Simsbury60
- Winsted60
- Bethlehem Village59
- Bigelow Corners59
- Blue Hills59
- Bristol59
- Broad Brook59
- Canterbury59
- Capitol59
- Cheshire Village59
- Conning Towers-Nautilus Park59
- Coventry Lake59
- Cromwell59
- Crystal Lake59
- Danielson59
- Deep River59
- East Brooklyn59
- Ellington59
- Fairfield59
- Farmington59
- Gaylordsville59
- Glastonbury Center59
- Hazardville59
- Hebron59
- Heritage Village59
- Jewett City59
- Kensington59
- Lebanon59
- Long Hill, Southeastern Connecticut County59
- Manchester59
- Mansfield Center59
- Mashantucket59
- Mechanicsville59
- Meriden59
- Middlebury59
- Moosup59
- Mystic59
- Naugatuck59
- Naugatuck Valley59
- New Britain59
- New London59
- New Milford59
- Newington59
- Niantic59
- Noank59
- North Grosvenor Dale59
- Northeastern Connecticut59
- Oakville59
- Old Mystic59
- Plainfield Village59
- Plainville59
- Plantsville59
- Plymouth59
- Poquonock Bridge59
- Prospect59
- Quasset Lake59
- Quinebaug59
- Quinnipiac University59
- Rockville59
- Seymour59
- Sherwood Manor59
- Somers59
- South Coventry59
- South Windham59
- South Windsor59
- South Woodstock59
- Southington59
- Southwood Acres59
- Stafford59
- Stafford Springs59
- Storrs59
- Suffield Depot59
- Terramuggus59
- Terryville59
- Thomaston59
- Thompsonville59
- Washington59
- Watertown59
- Wauregan59
- Weatogue59
- Wethersfield59
- Willimantic59
- Windsor59
- Windsor Locks59
- Woodbridge59
- Woodbury Center59
- Ansonia58
- Baltic58
- Bethel58
- Branford Center58
- Chester Center58
- Clinton58
- Colchester58
- Deep River Center58
- Derby58
- Durham58
- East Hampton58
- Essex Village58
- Fenwick58
- Gales Ferry58
- Greater Bridgeport58
- Guilford Center58
- Higganum58
- Lake Pocotopaug58
- Lisbon58
- Lordship58
- Lower Connecticut River Valley58
- Lyme58
- Madison Center58
- Milford58
- Moodus58
- North Haven58
- Northford58
- Old Lyme58
- Old Saybrook Center58
- Orange58
- Oronoque58
- Oxoboxo River58
- Portland58
- Redding58
- Redding Center58
- Ridgefield58
- Salem58
- Sandy Hook58
- Saybrook Manor58
- South Central Connecticut58
- Southeastern Connecticut58
- Tashua58
- Trumbull Center58
- Wallingford58
- Wallingford Center58
- West Hartford58
- West Haven58
- West Mountain58
- Westbrook Center58
- Western Connecticut58
- Woodmont58
- Byram57
- Cannondale57
- Cos Cob57
- Darien Downtown57
- East Hartford57
- Enfield57
- Glastonbury57
- Glenville57
- Greens Farms57
- Killingworth57
- Montville57
- New Haven57
- Norwalk57
- Old Greenwich57
- Pemberwick57
- Riverside57
- Rock Ridge57
- Saugatuck57
- Southport57
- Stamford57
- Waterford57
- Weston57
- Wilton Center57
- Danbury56
- Guilford56
- New Canaan56
- Oxford56
- Trumbull56
- Waterbury56
- Winchester56
- Ashford55
- Berlin55
- Branford55
- Greenwich55
- Plainfield55
- Tolland55
- Bridgeport54
- Milford town54
- Shelton54
- Newtown53
- Sherman52
- Westport49
- Cheshire41
