Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 00:25, Aug 12
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?
- Waterford town77
- Woodbury75
- Greenwich73
- West Mountain73
- Hamden71
- Killingly69
- Old Saybrook68
- Norwich66
- Danbury64
- New Canaan64
- Fairfield62
- Byram61
- Cos Cob61
- Glenville61
- Old Greenwich61
- Pemberwick61
- Riverside61
- Rock Ridge61
- Bridgeport60
- Darien Downtown60
- Greens Farms60
- Norwalk60
- Saugatuck60
- Southport60
- Stamford60
- Waterford60
- Ansonia59
- Branford Center59
- Cannondale59
- Clinton59
- Derby59
- Greater Bridgeport59
- Groton59
- Guilford Center59
- Lordship59
- Lyme59
- Madison Center59
- Milford59
- Montville59
- Orange59
- Oronoque59
- Ridgefield59
- Saybrook Manor59
- South Central Connecticut59
- Tashua59
- Trumbull59
- Trumbull Center59
- West Haven59
- Westbrook Center59
- Western Connecticut59
- Weston59
- Wilton Center59
- Woodmont59
- Berlin58
- Bethel58
- Cheshire Village58
- Chester Center58
- Conning Towers-Nautilus Park58
- Deep River58
- Deep River Center58
- Durham58
- Essex Village58
- Fenwick58
- Heritage Village58
- Long Hill, Southeastern Connecticut County58
- Lower Connecticut River Valley58
- Mystic58
- Naugatuck58
- New London58
- Niantic58
- Noank58
- North Haven58
- Northford58
- Old Lyme58
- Old Mystic58
- Old Saybrook Center58
- Pawcatuck58
- Poquonock Bridge58
- Prospect58
- Quinnipiac University58
- Redding Center58
- Sandy Hook58
- Seymour58
- Wallingford58
- Wallingford Center58
- Woodbridge58
- Bigelow Corners57
- Colchester57
- Coventry57
- Cromwell57
- East Hampton57
- Gales Ferry57
- Higganum57
- Kensington57
- Lake Pocotopaug57
- Mashantucket57
- Meriden57
- Middlebury57
- Moodus57
- Naugatuck Valley57
- Oakville57
- Oxoboxo River57
- Plainfield57
- Plantsville57
- Portland57
- Salem57
- Southeastern Connecticut57
- Southington57
- Waterbury57
- Watertown57
- Woodbury Center57
- Baltic56
- Bethlehem Village56
- Blue Hills56
- Bristol56
- Broad Brook56
- Canton56
- Canton Valley56
- Capitol56
- Collinsville56
- Coventry Lake56
- Danielson56
- Farmington56
- Gaylordsville56
- Glastonbury Center56
- Hebron56
- Jewett City56
- Lisbon56
- Litchfield56
- Manchester56
- Mansfield Center56
- Milford town56
- Moosup56
- New Britain56
- New Milford56
- New Preston56
- Newington56
- Northwest Harwinton56
- Plainfield Village56
- Plainville56
- Plymouth56
- Rockville56
- Simsbury Center56
- South Coventry56
- South Windham56
- South Windsor56
- Storrs56
- Tariffville56
- Terramuggus56
- Terryville56
- Thomaston56
- Washington56
- Wauregan56
- Weatogue56
- West Simsbury56
- Wethersfield56
- Willimantic56
- Windsor56
- Ashford55
- Crystal Lake55
- East Brooklyn55
- Ellington55
- Hartford55
- Hazardville55
- Killingworth55
- New Hartford Center55
- Northeastern Connecticut55
- Northwest Hills55
- Quasset Lake55
- Salmon Brook55
- South Woodstock55
- Southwood Acres55
- Stafford Springs55
- Suffield Depot55
- Thompsonville55
- Torrington55
- Torrington town55
- Winsted55
- Colebrook54
- Mechanicsville54
- New Haven54
- North Granby54
- North Grosvenor Dale54
- Quinebaug54
- Riverton54
- Sherwood Manor54
- Somers54
- Canaan53
- Mansfield53
- Shelton53
- Simsbury53
- East Hartford52
- Lebanon52
- Oxford52
- Westport52
- Branford51
- Cornwall50
- Windsor Locks48
- Glastonbury47
- Greenwich town47
- Guilford47
- West Hartford46
- Sherman45
- Stratford45
- Canterbury44
- Newtown41
- Winchester39
- Tolland37
- East Haven36
- Pomfret32
- Madison31
- Stafford30
- Enfield29
- Middletown26
- Cheshire20
- Redding2
