Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 20:17, Aug 13
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time information
Active fires
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Which is the most polluted city in Connecticut?
- Madison98
- Norwich81
- Coventry80
- Woodbury74
- Hamden69
- Waterford town69
- Greenwich68
- Mansfield66
- West Mountain66
- Greenwich town65
- Killingly64
- Old Saybrook62
- Byram61
- Canterbury61
- Danbury61
- Fairfield61
- Middletown61
- Cos Cob60
- Darien Downtown60
- Glenville60
- Old Greenwich60
- Pemberwick60
- Riverside60
- Rock Ridge60
- Stamford60
- Greater Bridgeport59
- Greens Farms59
- Lordship59
- New Canaan59
- Norwalk59
- Saugatuck59
- Southport59
- Trumbull59
- Weston59
- Wilton Center59
- Bethel58
- Bigelow Corners58
- Branford Center58
- Bridgeport58
- Cannondale58
- Clinton58
- Conning Towers-Nautilus Park58
- Derby58
- Essex Village58
- Fenwick58
- Gales Ferry58
- Groton58
- Guilford Center58
- Long Hill, Southeastern Connecticut County58
- Lyme58
- Madison Center58
- Milford58
- Milford town58
- Mystic58
- New London58
- Niantic58
- Noank58
- Old Lyme58
- Old Mystic58
- Old Saybrook Center58
- Orange58
- Oronoque58
- Oxoboxo River58
- Pawcatuck58
- Plainfield58
- Poquonock Bridge58
- Redding Center58
- Ridgefield58
- Saybrook Manor58
- Stratford58
- Tashua58
- Trumbull Center58
- West Haven58
- Westbrook Center58
- Western Connecticut58
- Woodmont58
- Ansonia57
- Bethlehem Village57
- Bristol57
- Cheshire Village57
- Chester Center57
- Colchester57
- Cromwell57
- Deep River57
- Deep River Center57
- Durham57
- East Hampton57
- Gaylordsville57
- Heritage Village57
- Higganum57
- Kensington57
- Lake Pocotopaug57
- Litchfield57
- Lower Connecticut River Valley57
- Mashantucket57
- Meriden57
- Middlebury57
- Montville57
- Moodus57
- Naugatuck57
- Naugatuck Valley57
- New Milford57
- New Preston57
- Newtown57
- North Haven57
- Northford57
- Oakville57
- Oxford57
- Plantsville57
- Plymouth57
- Portland57
- Prospect57
- Quinnipiac University57
- Salem57
- Sandy Hook57
- Seymour57
- South Central Connecticut57
- Southeastern Connecticut57
- Southington57
- Terryville57
- Thomaston57
- Wallingford57
- Wallingford Center57
- Washington57
- Watertown57
- Woodbridge57
- Woodbury Center57
- Baltic56
- Berlin56
- Blue Hills56
- Canton Valley56
- Capitol56
- Collinsville56
- Coventry Lake56
- Farmington56
- Glastonbury Center56
- Hebron56
- Jewett City56
- Lebanon56
- Lisbon56
- Manchester56
- Mansfield Center56
- Moosup56
- New Britain56
- New Hartford Center56
- New Haven56
- Newington56
- Northwest Harwinton56
- Northwest Hills56
- Plainfield Village56
- Plainville56
- Shelton56
- Sherman56
- Simsbury Center56
- South Coventry56
- South Windham56
- South Windsor56
- Storrs56
- Terramuggus56
- Torrington56
- Torrington town56
- Weatogue56
- West Simsbury56
- Wethersfield56
- Willimantic56
- Winsted56
- Ashford55
- Broad Brook55
- Canaan55
- Colebrook55
- Crystal Lake55
- Danielson55
- East Brooklyn55
- Ellington55
- Hartford55
- Hazardville55
- Killingworth55
- Mechanicsville55
- North Granby55
- North Grosvenor Dale55
- Northeastern Connecticut55
- Pomfret55
- Quasset Lake55
- Quinebaug55
- Riverton55
- Rockville55
- Salmon Brook55
- Sherwood Manor55
- Simsbury55
- Somers55
- South Woodstock55
- Southwood Acres55
- Stafford55
- Stafford Springs55
- Suffield Depot55
- Tariffville55
- Thompsonville55
- Waterbury55
- Waterford55
- Wauregan55
- Windsor55
- Branford54
- East Hartford54
- Glastonbury54
- Tolland54
- West Hartford54
- Winchester54
- Cornwall53
- Guilford53
- Westport53
- Windsor Locks53
- Enfield44
- East Haven41
- Cheshire29
- Canton1
- Redding0
