Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 12:22, Sep 19
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Montville26
- Fairfield25
- Trumbull23
- Canterbury21
- Groton21
- Berlin20
- East Hartford20
- Southington20
- Cornwall19
- Danbury19
- Middletown19
- Lebanon18
- New Canaan18
- New Haven18
- Windsor18
- Bridgeport17
- East Haven17
- Enfield17
- Glastonbury17
- Hamden17
- Bolton16
- Byram16
- Cos Cob16
- Darien Downtown16
- Deep River16
- Glenville16
- Greenwich town16
- Hartford16
- Mansfield16
- Norwalk16
- Old Greenwich16
- Pemberwick16
- Riverside16
- Rock Ridge16
- Shelton16
- Stamford16
- Woodbury16
- Greens Farms15
- Killingworth15
- Saugatuck15
- Southport15
- Westport15
- Branford14
- Conning Towers-Nautilus Park14
- Fenwick14
- Gales Ferry14
- Greater Bridgeport14
- Long Hill, Southeastern Connecticut County14
- Lordship14
- Mashantucket14
- Mystic14
- New London14
- Niantic14
- Noank14
- Old Lyme14
- Old Mystic14
- Old Saybrook Center14
- Oxoboxo River14
- Pawcatuck14
- Poquonock Bridge14
- Saybrook Manor14
- Sherman14
- Waterford town14
- West Hartford14
- Westbrook Center14
- Winchester14
- Cannondale13
- Clinton13
- Deep River Center13
- Essex Village13
- Guilford13
- Guilford Center13
- Jewett City13
- Lisbon13
- Lyme13
- Madison Center13
- Milford13
- Milford town13
- Moosup13
- Newtown13
- Norwich13
- Oxford13
- Plainfield Village13
- Southeastern Connecticut13
- Stratford13
- Tolland13
- Washington13
- Waterford13
- Weston13
- Wilton Center13
- Woodmont13
- Branford Center12
- Chester Center12
- Ridgefield12
- Salem12
- Trumbull Center12
- Waterbury12
- Baltic11
- Danielson11
- Derby11
- East Brooklyn11
- Hebron11
- Lower Connecticut River Valley11
- Madison11
- Old Saybrook11
- Orange11
- Oronoque11
- Plainfield11
- Redding Center11
- South Central Connecticut11
- Tashua11
- Wauregan11
- West Haven11
- West Mountain11
- Western Connecticut11
- Ansonia10
- Bethel10
- Bigelow Corners10
- Durham10
- Greenwich10
- Heritage Village10
- Naugatuck10
- North Haven10
- Northford10
- Quinnipiac University10
- Sandy Hook10
- Seymour10
- Wallingford10
- Wallingford Center10
- Woodbridge10
- Woodbury Center10
- Ashford9
- Bethlehem Village9
- Blue Hills9
- Bristol9
- Canaan9
- Canton9
- Canton Valley9
- Capitol9
- Cheshire9
- Cheshire Village9
- Colchester9
- Collinsville9
- Coventry Lake9
- Cromwell9
- East Hampton9
- Farmington9
- Gaylordsville9
- Glastonbury Center9
- Higganum9
- Kensington9
- Lake Pocotopaug9
- Litchfield9
- Manchester9
- Mansfield Center9
- Mechanicsville9
- Meriden9
- Middlebury9
- Moodus9
- Naugatuck Valley9
- New Britain9
- New Hartford Center9
- New Milford9
- New Preston9
- Newington9
- North Grosvenor Dale9
- Northeastern Connecticut9
- Northwest Harwinton9
- Northwest Hills9
- Oakville9
- Plainville9
- Plantsville9
- Plymouth9
- Pomfret9
- Portland9
- Prospect9
- Quasset Lake9
- Quinebaug9
- South Coventry9
- South Windham9
- South Windsor9
- South Woodstock9
- Stafford Springs9
- Storrs9
- Terramuggus9
- Terryville9
- Thomaston9
- Torrington9
- Torrington town9
- Watertown9
- Weatogue9
- Wethersfield9
- Willimantic9
- Winsted9
- Crystal Lake8
- Riverton8
- Rockville8
- Simsbury Center8
- Stafford8
- West Simsbury8
- Broad Brook7
- Ellington7
- Tariffville7
- Windsor Locks7
- Hazardville6
- Killingly6
- North Granby6
- Salmon Brook6
- Sherwood Manor6
- Somers6
- Southwood Acres6
- Suffield Depot6
- Thompsonville6
- Coventry5
- Redding3
- Colebrook2
- Simsbury0
