Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 00:45, May 20
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- West Hartford71
- Hartford70
- Quinnipiac University69
- Windsor Locks69
- Enfield68
- Waterbury67
- Canterbury66
- Greater Bridgeport65
- Lyme64
- Mansfield64
- Naugatuck Valley64
- Shelton64
- Waterford64
- East Hartford63
- Montville63
- Bridgeport62
- East Haven62
- Groton62
- Mansfield Center62
- Clinton61
- Deep River Center61
- Glastonbury61
- New London61
- Norwich61
- Tolland61
- New Haven60
- Branford59
- Oxford59
- Oronoque58
- Berlin57
- Woodbury57
- Guilford56
- New Milford56
- Quinebaug56
- Baltic55
- Blue Hills55
- Branford Center55
- Bristol55
- Broad Brook55
- Canton Valley55
- Capitol55
- Cheshire55
- Cheshire Village55
- Chester Center55
- Colchester55
- Collinsville55
- Conning Towers-Nautilus Park55
- Coventry Lake55
- Cromwell55
- Crystal Lake55
- Danielson55
- Durham55
- East Brooklyn55
- East Hampton55
- Ellington55
- Essex Village55
- Farmington55
- Fenwick55
- Gales Ferry55
- Glastonbury Center55
- Guilford Center55
- Hazardville55
- Hebron55
- Higganum55
- Jewett City55
- Kensington55
- Lake Pocotopaug55
- Lisbon55
- Long Hill, Southeastern Connecticut County55
- Lower Connecticut River Valley55
- Madison Center55
- Manchester55
- Mashantucket55
- Mechanicsville55
- Meriden55
- Middletown55
- Moodus55
- Moosup55
- Mystic55
- New Britain55
- New Hartford Center55
- Newington55
- Newtown55
- Niantic55
- Noank55
- North Granby55
- North Grosvenor Dale55
- North Haven55
- Northeastern Connecticut55
- Northford55
- Old Lyme55
- Old Mystic55
- Old Saybrook Center55
- Orange55
- Oxoboxo River55
- Pawcatuck55
- Plainfield55
- Plainfield Village55
- Plainville55
- Plantsville55
- Plymouth55
- Pomfret55
- Poquonock Bridge55
- Portland55
- Prospect55
- Quasset Lake55
- Rockville55
- Salem55
- Salmon Brook55
- Saybrook Manor55
- Sherwood Manor55
- Simsbury Center55
- Somers55
- South Central Connecticut55
- South Coventry55
- South Windham55
- South Windsor55
- South Woodstock55
- Southeastern Connecticut55
- Southington55
- Southwood Acres55
- Stafford Springs55
- Storrs55
- Suffield Depot55
- Tariffville55
- Terramuggus55
- Terryville55
- Thompsonville55
- Wallingford55
- Wallingford Center55
- Waterford town55
- Weatogue55
- West Haven55
- West Simsbury55
- Westbrook Center55
- Weston55
- Wethersfield55
- Willimantic55
- Windsor55
- Woodbridge55
- Woodmont55
- Ansonia54
- Bethel54
- Bethlehem Village54
- Canaan54
- Cannondale54
- Canton54
- Derby54
- Greens Farms54
- Heritage Village54
- Litchfield54
- Lordship54
- Middlebury54
- Milford54
- Naugatuck54
- New Preston54
- Northwest Harwinton54
- Northwest Hills54
- Norwalk54
- Oakville54
- Redding Center54
- Sandy Hook54
- Saugatuck54
- Seymour54
- Southport54
- Tashua54
- Thomaston54
- Torrington54
- Torrington town54
- Trumbull Center54
- Washington54
- Watertown54
- Western Connecticut54
- Wilton Center54
- Winchester54
- Woodbury Center54
- Bigelow Corners53
- Byram53
- Cos Cob53
- Darien Downtown53
- Gaylordsville53
- Glenville53
- New Canaan53
- Old Greenwich53
- Pemberwick53
- Ridgefield53
- Riverside53
- Rock Ridge53
- Stamford53
- West Mountain53
- Cornwall51
- Winsted46
- Greenwich42
- Wauregan42
- Sherman38
- Danbury32
- Riverton18
