Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 14:19, Aug 15
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
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Which is the most polluted city in Connecticut?
- Byram60
- Cos Cob59
- Glenville59
- Greenwich town59
- Old Greenwich59
- Pemberwick59
- Riverside59
- Rock Ridge59
- Darien Downtown58
- Stamford58
- Norwalk57
- Ridgefield57
- Ashford56
- Baltic56
- Broad Brook56
- Cannondale56
- Colchester56
- Conning Towers-Nautilus Park56
- Coventry Lake56
- Crystal Lake56
- Ellington56
- Gales Ferry56
- Greens Farms56
- Hebron56
- Jewett City56
- Lisbon56
- Long Hill, Southeastern Connecticut County56
- Manchester56
- Mansfield Center56
- Mashantucket56
- Mystic56
- New London56
- Noank56
- Northeastern Connecticut56
- Old Mystic56
- Oxoboxo River56
- Pawcatuck56
- Plainfield56
- Plainfield Village56
- Poquonock Bridge56
- Rockville56
- Salem56
- Saugatuck56
- South Coventry56
- South Windham56
- Southeastern Connecticut56
- Southport56
- Stafford56
- Stafford Springs56
- Storrs56
- Western Connecticut56
- Weston56
- Willimantic56
- Wilton Center56
- Ansonia55
- Bethel55
- Bethlehem Village55
- Bigelow Corners55
- Blue Hills55
- Branford Center55
- Bristol55
- Canton55
- Canton Valley55
- Capitol55
- Cheshire Village55
- Chester Center55
- Clinton55
- Collinsville55
- Cromwell55
- Danielson55
- Deep River Center55
- Derby55
- Durham55
- East Brooklyn55
- East Hampton55
- Essex Village55
- Farmington55
- Fenwick55
- Gaylordsville55
- Glastonbury Center55
- Greater Bridgeport55
- Guilford Center55
- Hazardville55
- Heritage Village55
- Higganum55
- Kensington55
- Lake Pocotopaug55
- Litchfield55
- Lordship55
- Lower Connecticut River Valley55
- Madison55
- Madison Center55
- Mechanicsville55
- Meriden55
- Middlebury55
- Milford55
- Moodus55
- Moosup55
- Naugatuck55
- Naugatuck Valley55
- New Britain55
- New Milford55
- New Preston55
- Newington55
- Niantic55
- North Grosvenor Dale55
- North Haven55
- Northford55
- Northwest Harwinton55
- Oakville55
- Old Lyme55
- Old Saybrook Center55
- Orange55
- Oronoque55
- Plainville55
- Plantsville55
- Plymouth55
- Pomfret55
- Portland55
- Prospect55
- Quasset Lake55
- Quinebaug55
- Quinnipiac University55
- Redding55
- Redding Center55
- Salmon Brook55
- Sandy Hook55
- Saybrook Manor55
- Seymour55
- Sherwood Manor55
- Simsbury Center55
- Somers55
- South Central Connecticut55
- South Windsor55
- South Woodstock55
- Southington55
- Southwood Acres55
- Stratford55
- Suffield Depot55
- Tariffville55
- Tashua55
- Terramuggus55
- Terryville55
- Thomaston55
- Thompsonville55
- Trumbull Center55
- Wallingford55
- Wallingford Center55
- Washington55
- Watertown55
- Wauregan55
- Weatogue55
- West Haven55
- West Simsbury55
- Westbrook Center55
- Wethersfield55
- Windsor55
- Woodbridge55
- Woodbury Center55
- Woodmont55
- New Hartford Center54
- North Granby54
- Northwest Hills54
- Riverton54
- Torrington54
- Torrington town54
- Winsted54
- Canaan51
- Coventry34
- Fairfield33
- Hamden33
- Norwich33
- East Hartford32
- Hartford32
- Waterbury32
- East Haven31
- Greenwich28
- Groton28
- Killingly28
- Montville28
- Old Saybrook28
- Mansfield26
- Glastonbury25
- Waterford23
- Cornwall22
- Middletown22
- Simsbury22
- Windsor Locks22
- Berlin21
- Newtown21
- Trumbull21
- Canterbury20
- Branford18
- Lyme18
- Danbury17
- Deep River17
- New Haven17
- Bridgeport16
- New Canaan15
- Tolland15
- Killingworth14
- Lebanon14
- Milford town14
- Guilford13
- West Hartford13
- Shelton12
- Westport12
- Oxford11
- Sherman11
- Winchester10
- Woodbury9
- Cheshire7
- Enfield7
- Colebrook2
- Waterford town2
- West Mountain2
