Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 23:31, Oct 11
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?
- Trumbull66
- Mansfield63
- Coventry54
- East Haven43
- East Hartford37
- Hamden34
- Bolton32
- Danbury32
- New Haven32
- Winchester32
- Plainfield31
- Waterbury31
- Cornwall30
- Hartford30
- Lebanon30
- Greenwich29
- Old Saybrook29
- Shelton29
- Berlin28
- Killingly28
- Newtown28
- Canterbury27
- Groton27
- Bridgeport26
- Oxford26
- Simsbury26
- Fairfield25
- Montville25
- Pomfret23
- Waterford23
- Windsor23
- Glastonbury21
- Deep River19
- Tolland18
- Lyme17
- New Canaan17
- Quinebaug17
- Ashford16
- Bethel16
- Bethlehem Village16
- Bigelow Corners16
- Blue Hills16
- Bristol16
- Broad Brook16
- Canaan16
- Canton16
- Canton Valley16
- Capitol16
- Collinsville16
- Coventry Lake16
- Cromwell16
- Crystal Lake16
- Danielson16
- East Brooklyn16
- Ellington16
- Farmington16
- Gaylordsville16
- Glastonbury Center16
- Hazardville16
- Heritage Village16
- Kensington16
- Lake Pocotopaug16
- Litchfield16
- Manchester16
- Mansfield Center16
- Mechanicsville16
- Meriden16
- Middlebury16
- Moosup16
- Naugatuck Valley16
- New Britain16
- New Hartford Center16
- New Milford16
- New Preston16
- Newington16
- North Granby16
- North Grosvenor Dale16
- Northeastern Connecticut16
- Northwest Harwinton16
- Northwest Hills16
- Oakville16
- Plainfield Village16
- Plainville16
- Plantsville16
- Plymouth16
- Quasset Lake16
- Redding16
- Redding Center16
- Ridgefield16
- Riverton16
- Rockville16
- Salmon Brook16
- Sandy Hook16
- Sherwood Manor16
- Simsbury Center16
- Somers16
- South Coventry16
- South Windham16
- South Windsor16
- South Woodstock16
- Southington16
- Southwood Acres16
- Stafford16
- Stafford Springs16
- Storrs16
- Suffield Depot16
- Tariffville16
- Terramuggus16
- Terryville16
- Thomaston16
- Thompsonville16
- Torrington16
- Torrington town16
- Watertown16
- Wauregan16
- Weatogue16
- West Hartford16
- West Simsbury16
- Western Connecticut16
- Wethersfield16
- Willimantic16
- Windsor Locks16
- Winsted16
- Woodbury Center16
- Baltic15
- Cheshire Village15
- Colchester15
- East Hampton15
- Jewett City15
- Lisbon15
- Naugatuck15
- Portland15
- Prospect15
- Ansonia14
- Branford14
- Cannondale14
- Durham14
- Enfield14
- Higganum14
- Moodus14
- Northford14
- Norwich14
- Quinnipiac University14
- Salem14
- Seymour14
- Tashua14
- Wallingford14
- Wallingford Center14
- Weston14
- Wilton Center14
- Woodbridge14
- Branford Center13
- Byram13
- Chester Center13
- Cos Cob13
- Darien Downtown13
- Deep River Center13
- Derby13
- Gales Ferry13
- Glenville13
- Greater Bridgeport13
- Greens Farms13
- Greenwich town13
- Lower Connecticut River Valley13
- Madison13
- Mashantucket13
- Milford town13
- North Haven13
- Norwalk13
- Old Greenwich13
- Orange13
- Oronoque13
- Oxoboxo River13
- Pemberwick13
- Riverside13
- Rock Ridge13
- Saugatuck13
- Sherman13
- South Central Connecticut13
- Southeastern Connecticut13
- Southport13
- Stamford13
- Trumbull Center13
- West Haven13
- Westport13
- Clinton12
- Conning Towers-Nautilus Park12
- Fenwick12
- Guilford Center12
- Killingworth12
- Long Hill, Southeastern Connecticut County12
- Lordship12
- Madison Center12
- Middletown12
- Milford12
- Mystic12
- New London12
- Niantic12
- Noank12
- Old Lyme12
- Old Mystic12
- Old Saybrook Center12
- Pawcatuck12
- Poquonock Bridge12
- Saybrook Manor12
- Stratford12
- Westbrook Center12
- Woodmont12
- Hebron11
- Essex Village9
- Woodbury8
- Guilford6
- Colebrook5
- West Mountain3
- Cheshire0
- Waterford town0
