Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 20:31, Oct 28
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?
- Plainfield42
- Byram37
- Glenville37
- Greenwich town37
- Pemberwick37
- Rock Ridge37
- Bigelow Corners36
- Cos Cob36
- Old Greenwich36
- Ridgefield36
- Riverside36
- Stamford36
- West Mountain36
- Bethel35
- Cannondale35
- Darien Downtown35
- Norwalk35
- Western Connecticut35
- Wilton Center35
- Gaylordsville34
- Greens Farms34
- New Milford34
- Newtown34
- Redding Center34
- Saugatuck34
- Weston34
- Westport34
- Ansonia33
- Bethlehem Village33
- Bristol33
- Cheshire33
- Cheshire Village33
- Collinsville33
- Derby33
- Greater Bridgeport33
- Heritage Village33
- Litchfield33
- Lordship33
- Meriden33
- Middlebury33
- Milford33
- Naugatuck33
- Naugatuck Valley33
- New Hartford Center33
- New Preston33
- Northwest Harwinton33
- Northwest Hills33
- Oakville33
- Orange33
- Oronoque33
- Plantsville33
- Plymouth33
- Prospect33
- Quinnipiac University33
- Sandy Hook33
- Seymour33
- Southport33
- Stratford33
- Tashua33
- Terryville33
- Thomaston33
- Torrington33
- Torrington town33
- Trumbull Center33
- Watertown33
- Winsted33
- Woodbridge33
- Woodbury Center33
- Woodmont33
- Canaan32
- Canton32
- Canton Valley32
- Cornwall32
- Farmington32
- Hartford32
- Kensington32
- New Britain32
- North Haven32
- Plainville32
- Pomfret32
- Riverton32
- Wallingford32
- Wallingford Center32
- West Haven32
- Danbury31
- Newington31
- Northford31
- South Central Connecticut31
- Weatogue31
- West Simsbury31
- Branford Center30
- Durham30
- Simsbury Center30
- Ashford29
- Blue Hills29
- Broad Brook29
- Capitol29
- Colchester29
- Coventry29
- Coventry Lake29
- Cromwell29
- Crystal Lake29
- East Hampton29
- Ellington29
- Glastonbury Center29
- Hazardville29
- Higganum29
- Lake Pocotopaug29
- Manchester29
- Mansfield Center29
- North Granby29
- Portland29
- Rockville29
- Salmon Brook29
- Sherwood Manor29
- Somers29
- South Coventry29
- South Windsor29
- Southwood Acres29
- Stafford29
- Stafford Springs29
- Storrs29
- Suffield Depot29
- Tariffville29
- Terramuggus29
- Thompsonville29
- Wethersfield29
- Willimantic29
- Windsor Locks29
- Guilford Center28
- Lower Connecticut River Valley28
- Madison28
- Moodus28
- New Haven28
- North Grosvenor Dale28
- Northeastern Connecticut28
- Quasset Lake28
- Quinebaug28
- South Windham28
- South Woodstock28
- Chester Center27
- Madison Center27
- Mechanicsville27
- Clinton26
- Deep River Center26
- East Brooklyn26
- Essex Village26
- Salem26
- Baltic25
- Danielson25
- Wauregan25
- Fenwick24
- Jewett City24
- Lisbon24
- Moosup24
- Norwich24
- Old Lyme24
- Old Saybrook Center24
- Oxford24
- Oxoboxo River24
- Plainfield Village24
- Saybrook Manor24
- Southeastern Connecticut24
- Westbrook Center24
- Windsor24
- Conning Towers-Nautilus Park23
- Gales Ferry23
- Long Hill, Southeastern Connecticut County23
- Mashantucket23
- Mystic23
- New London23
- Niantic23
- Noank23
- Old Mystic23
- Poquonock Bridge23
- Waterford town23
- East Hartford22
- Pawcatuck22
- West Hartford22
- Old Saybrook21
- Sherman21
- Trumbull21
- Berlin20
- Bolton20
- Glastonbury20
- Mansfield20
- Canterbury19
- Tolland19
- Winchester19
- Waterbury18
- East Haven17
- Fairfield17
- Hamden17
- Middletown17
- Montville17
- New Canaan17
- Washington17
- Woodbury17
- Colebrook16
- Greenwich16
- Groton16
- Shelton16
- Redding15
- Deep River14
- Enfield14
- Killingworth14
- Bridgeport13
- Lebanon13
- Waterford13
- Hebron12
- Killingly11
- Lyme11
- Branford10
- Milford town6
- Simsbury6
- Guilford4
