Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 21:21, Sep 11
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 Haven43
- Greenwich town41
- Groton40
- Danbury37
- East Hartford37
- Madison37
- Middletown37
- Stratford35
- Cornwall34
- Stafford34
- Clinton33
- Conning Towers-Nautilus Park33
- Fenwick33
- Gales Ferry33
- Long Hill, Southeastern Connecticut County33
- Mashantucket33
- Mystic33
- New London33
- Niantic33
- Noank33
- Old Lyme33
- Old Mystic33
- Old Saybrook Center33
- Pawcatuck33
- Poquonock Bridge33
- Saybrook Manor33
- Waterford town33
- Westbrook Center33
- Branford Center32
- Byram32
- Chester Center32
- Cos Cob32
- Darien Downtown32
- Deep River Center32
- Derby32
- Durham32
- Essex Village32
- Glenville32
- Greater Bridgeport32
- Greens Farms32
- Guilford Center32
- Higganum32
- Lordship32
- Lower Connecticut River Valley32
- Madison Center32
- Milford32
- Moodus32
- North Haven32
- Northford32
- Norwalk32
- Norwich32
- Old Greenwich32
- Orange32
- Oronoque32
- Oxoboxo River32
- Pemberwick32
- Pomfret32
- Riverside32
- Rock Ridge32
- Salem32
- Saugatuck32
- South Central Connecticut32
- Southeastern Connecticut32
- Southport32
- Stamford32
- Trumbull Center32
- Wallingford32
- Wallingford Center32
- West Haven32
- Weston32
- Westport32
- Woodmont32
- Ansonia31
- Baltic31
- Bethel31
- Bigelow Corners31
- Cannondale31
- Cheshire31
- Cheshire Village31
- Colchester31
- East Hampton31
- Heritage Village31
- Jewett City31
- Lake Pocotopaug31
- Lisbon31
- Meriden31
- Naugatuck31
- Portland31
- Prospect31
- Quinnipiac University31
- Redding31
- Redding Center31
- Ridgefield31
- Sandy Hook31
- Seymour31
- Tashua31
- West Mountain31
- Western Connecticut31
- Wilton Center31
- Woodbridge31
- Cromwell30
- Kensington30
- Middlebury30
- Naugatuck Valley30
- Plainfield Village30
- Plantsville30
- Terramuggus30
- Woodbury Center30
- Bethlehem Village29
- Blue Hills29
- Bolton29
- Bristol29
- Canton Valley29
- Capitol29
- Collinsville29
- Coventry Lake29
- Farmington29
- Gaylordsville29
- Glastonbury Center29
- Hamden29
- Litchfield29
- Manchester29
- Mansfield Center29
- Moosup29
- New Britain29
- New Milford29
- New Preston29
- Newington29
- Northwest Harwinton29
- Oakville29
- Plainville29
- Plymouth29
- Rockville29
- South Coventry29
- South Windham29
- South Windsor29
- Terryville29
- Thomaston29
- Washington29
- Watertown29
- Wauregan29
- Weatogue29
- Wethersfield29
- Willimantic29
- Broad Brook28
- Canton28
- Danielson28
- East Brooklyn28
- Ellington28
- Fairfield28
- Killingly28
- Montville28
- New Hartford Center28
- Northwest Hills28
- Simsbury Center28
- Storrs28
- Tariffville28
- Torrington28
- Torrington town28
- West Simsbury28
- Windsor Locks28
- Bridgeport27
- Canaan27
- Crystal Lake27
- Northeastern Connecticut27
- Quasset Lake27
- Riverton27
- Salmon Brook27
- South Woodstock27
- Southwood Acres27
- Stafford Springs27
- Suffield Depot27
- Winchester27
- Winsted27
- Ashford26
- Hazardville26
- Mechanicsville26
- North Granby26
- North Grosvenor Dale26
- Quinebaug26
- Sherwood Manor26
- Somers26
- Thompsonville26
- Waterbury26
- West Hartford26
- Glastonbury24
- Killingworth24
- Windsor24
- Berlin23
- Coventry23
- Mansfield23
- Plainfield22
- Hartford21
- Branford19
- Deep River19
- Canterbury18
- Milford town18
- New Haven18
- Southington18
- Lebanon17
- Old Saybrook17
- Simsbury17
- Tolland17
- Trumbull17
- Waterford15
- Sherman14
- Lyme13
- Enfield12
- Hebron12
- Newtown12
- New Canaan11
- Oxford9
- Shelton9
- Woodbury9
- Greenwich8
- Guilford7
- Colebrook6
