Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 22:24, Sep 06
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time information
Active fires
--
Learn more about global air quality
Which is the most polluted city in Connecticut?
- West Mountain66
- Greenwich town33
- Stratford30
- East Hartford27
- Groton27
- Middletown26
- New Haven25
- Byram24
- Danbury24
- Pemberwick23
- Stafford23
- Glenville22
- Madison22
- Pomfret22
- Rock Ridge22
- Cornwall21
- Cos Cob21
- Montville21
- Old Greenwich21
- Plainfield21
- Riverside21
- Berlin19
- Darien Downtown19
- Stamford19
- Fairfield18
- Norwalk18
- Cannondale17
- Canterbury17
- Danielson17
- East Brooklyn17
- Mechanicsville17
- Moosup17
- North Grosvenor Dale17
- Quinebaug17
- Ridgefield17
- Saugatuck17
- Trumbull17
- Wauregan17
- Westport17
- Wilton Center17
- Ansonia16
- Ashford16
- Baltic16
- Bethel16
- Bethlehem Village16
- Bigelow Corners16
- Branford Center16
- Bristol16
- Canaan16
- Capitol16
- Cheshire16
- Cheshire Village16
- Chester Center16
- Clinton16
- Colchester16
- Conning Towers-Nautilus Park16
- Coventry Lake16
- Cromwell16
- Crystal Lake16
- Deep River Center16
- Derby16
- Durham16
- East Hampton16
- Ellington16
- Essex Village16
- Farmington16
- Fenwick16
- Gales Ferry16
- Gaylordsville16
- Glastonbury Center16
- Greater Bridgeport16
- Greens Farms16
- Guilford Center16
- Heritage Village16
- Higganum16
- Jewett City16
- Kensington16
- Lake Pocotopaug16
- Lisbon16
- Litchfield16
- Long Hill, Southeastern Connecticut County16
- Lordship16
- Lower Connecticut River Valley16
- Madison Center16
- Manchester16
- Mansfield Center16
- Mashantucket16
- Meriden16
- Middlebury16
- Milford16
- Moodus16
- Mystic16
- Naugatuck16
- Naugatuck Valley16
- New Britain16
- New London16
- New Milford16
- New Preston16
- Newington16
- Niantic16
- Noank16
- North Haven16
- Northeastern Connecticut16
- Northford16
- Northwest Harwinton16
- Northwest Hills16
- Norwich16
- Oakville16
- Old Lyme16
- Old Mystic16
- Old Saybrook Center16
- Orange16
- Oronoque16
- Oxoboxo River16
- Plainfield Village16
- Plainville16
- Plantsville16
- Plymouth16
- Poquonock Bridge16
- Portland16
- Prospect16
- Quasset Lake16
- Quinnipiac University16
- Redding Center16
- Rockville16
- Salem16
- Sandy Hook16
- Saybrook Manor16
- Seymour16
- South Central Connecticut16
- South Coventry16
- South Windham16
- South Windsor16
- South Woodstock16
- Southeastern Connecticut16
- Southington16
- Southport16
- Stafford Springs16
- Storrs16
- Tashua16
- Terramuggus16
- Terryville16
- Thomaston16
- Torrington16
- Torrington town16
- Trumbull Center16
- Wallingford16
- Wallingford Center16
- Washington16
- Waterford town16
- Watertown16
- West Haven16
- Westbrook Center16
- Western Connecticut16
- Weston16
- Wethersfield16
- Willimantic16
- Woodbridge16
- Woodbury Center16
- Woodmont16
- Blue Hills15
- Broad Brook15
- Canton Valley15
- Collinsville15
- Lyme15
- Pawcatuck15
- Waterford15
- Weatogue15
- Bolton14
- Canton14
- Deep River14
- New Hartford Center14
- Somers14
- Windsor14
- Winsted14
- Hazardville13
- Riverton13
- Simsbury Center13
- Southwood Acres13
- West Simsbury13
- Woodbury13
- Enfield12
- Killingworth12
- Mansfield12
- New Canaan12
- Sherwood Manor12
- Tariffville12
- Thompsonville12
- Windsor Locks12
- Greenwich11
- Hartford11
- Killingly11
- Simsbury11
- Suffield Depot11
- Waterbury11
- West Hartford10
- East Haven9
- Glastonbury9
- Lebanon9
- Salmon Brook9
- Branford8
- Bridgeport8
- North Granby8
- Guilford7
- Hamden7
- Sherman7
- Milford town6
- Old Saybrook6
- Oxford6
- Winchester5
- Hebron4
- Shelton4
- Tolland4
- Coventry3
- Newtown3
- Colebrook1
- Redding0
