Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 19:43, Oct 10
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- East Hartford32
- New Haven32
- Cornwall28
- West Mountain28
- Bethlehem Village27
- Bigelow Corners27
- Blue Hills27
- Broad Brook27
- Byram27
- Canaan27
- Canton27
- Canton Valley27
- Capitol27
- Collinsville27
- Crystal Lake27
- Ellington27
- Farmington27
- Gaylordsville27
- Glenville27
- Hazardville27
- Litchfield27
- New Hartford Center27
- New Milford27
- New Preston27
- North Granby27
- Northwest Harwinton27
- Northwest Hills27
- Pemberwick27
- Ridgefield27
- Riverton27
- Salmon Brook27
- Sherwood Manor27
- Simsbury Center27
- Somers27
- South Windsor27
- Southwood Acres27
- Stafford27
- Stafford Springs27
- Suffield Depot27
- Tariffville27
- Thompsonville27
- Torrington27
- Torrington town27
- Weatogue27
- West Simsbury27
- Windsor Locks27
- Winsted27
- Bethel26
- Bristol26
- Greenwich town26
- New Britain26
- Plainville26
- Plymouth26
- Pomfret26
- Rock Ridge26
- Rockville26
- Terryville26
- Thomaston26
- Western Connecticut26
- Windsor26
- Coventry25
- Manchester25
- Woodbury Center25
- Heritage Village24
- Montville24
- Newington24
- Quinebaug24
- Watertown24
- Cos Cob23
- Fairfield23
- Hebron23
- Killingworth23
- Oakville23
- Redding Center23
- Trumbull23
- Woodbury23
- Cannondale22
- Middletown22
- Plainfield22
- Riverside22
- Southington22
- Wethersfield22
- Ashford21
- Glastonbury Center21
- Hamden21
- Kensington21
- Middlebury21
- North Grosvenor Dale21
- Old Greenwich21
- Plantsville21
- Quasset Lake21
- Sandy Hook21
- Stamford21
- Wilton Center21
- New Canaan20
- South Woodstock20
- Berlin19
- Bolton19
- Coventry Lake19
- Glastonbury19
- Lebanon19
- Mansfield19
- Naugatuck Valley19
- Shelton19
- West Hartford19
- Weston19
- Canterbury18
- Cheshire18
- Darien Downtown18
- Deep River18
- East Haven18
- Greens Farms18
- Mechanicsville18
- Naugatuck18
- Norwalk18
- Prospect18
- Saugatuck18
- Seymour18
- Southport18
- Storrs18
- Tashua18
- Westport18
- Ansonia17
- Branford17
- Cheshire Village17
- Cromwell17
- Derby17
- Greater Bridgeport17
- Groton17
- Hartford17
- Lyme17
- Meriden17
- South Coventry17
- Tolland17
- Trumbull Center17
- Woodbridge17
- Colebrook16
- Enfield16
- Lordship16
- Milford16
- North Haven16
- Northford16
- Orange16
- Oronoque16
- Oxford16
- Portland16
- Quinnipiac University16
- Stratford16
- Terramuggus16
- Wallingford16
- Wallingford Center16
- Waterbury16
- West Haven16
- Woodmont16
- Branford Center15
- Bridgeport15
- Durham15
- Lake Pocotopaug15
- Northeastern Connecticut15
- Sherman15
- South Central Connecticut15
- Baltic14
- Chester Center14
- Clinton14
- Colchester14
- Conning Towers-Nautilus Park14
- Danbury14
- Danielson14
- Deep River Center14
- East Brooklyn14
- East Hampton14
- Essex Village14
- Fenwick14
- Gales Ferry14
- Guilford Center14
- Higganum14
- Jewett City14
- Lisbon14
- Long Hill, Southeastern Connecticut County14
- Lower Connecticut River Valley14
- Madison14
- Madison Center14
- Mansfield Center14
- Mashantucket14
- Moodus14
- Moosup14
- Mystic14
- New London14
- Newtown14
- Niantic14
- Noank14
- Norwich14
- Old Lyme14
- Old Mystic14
- Old Saybrook Center14
- Oxoboxo River14
- Pawcatuck14
- Plainfield Village14
- Poquonock Bridge14
- Salem14
- Saybrook Manor14
- South Windham14
- Southeastern Connecticut14
- Washington14
- Waterford town14
- Wauregan14
- Westbrook Center14
- Willimantic14
- Winchester14
- Milford town12
- Greenwich11
- Waterford8
- Guilford7
- Old Saybrook6
- Redding1
- Killingly0
- Simsbury0
