Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 00:03, Oct 23
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?
- Shelton60
- Plainfield51
- East Haven41
- East Hartford38
- Pomfret35
- Cornwall33
- Waterbury31
- Bridgeport29
- Byram28
- Glenville28
- Greenwich town28
- New Haven28
- Pemberwick28
- Rock Ridge28
- Cos Cob27
- Old Greenwich27
- Riverside27
- Stamford27
- Darien Downtown26
- Fairfield26
- Greens Farms25
- Norwalk25
- Saugatuck25
- Trumbull25
- Westport25
- Bethel24
- Cannondale24
- Greater Bridgeport24
- Lordship24
- Montville24
- Redding Center24
- Ridgefield24
- Southport24
- Western Connecticut24
- Weston24
- Wilton Center24
- Bigelow Corners23
- Bolton23
- Danbury23
- Groton23
- Killingworth23
- Milford23
- Oronoque23
- Stratford23
- Tashua23
- Trumbull Center23
- Woodmont23
- Ansonia22
- Bethlehem Village22
- Branford Center22
- Derby22
- Gaylordsville22
- Glastonbury22
- Heritage Village22
- Middlebury22
- Naugatuck22
- Naugatuck Valley22
- New Milford22
- New Preston22
- North Haven22
- Northford22
- Oakville22
- Orange22
- Prospect22
- Quinnipiac University22
- Sandy Hook22
- Seymour22
- South Central Connecticut22
- Wallingford22
- Wallingford Center22
- Watertown22
- West Haven22
- Woodbridge22
- Woodbury Center22
- Berlin21
- Branford21
- Canterbury21
- Cheshire21
- Cheshire Village21
- Guilford Center21
- Lebanon21
- Lyme21
- Mansfield21
- Oxford21
- Southington21
- Winchester21
- Windsor21
- Greenwich20
- Madison Center20
- New Canaan20
- Plantsville20
- Baltic19
- Blue Hills19
- Bristol19
- Canaan19
- Canton19
- Canton Valley19
- Capitol19
- Chester Center19
- Clinton19
- Colchester19
- Collinsville19
- Conning Towers-Nautilus Park19
- Cromwell19
- Danielson19
- Deep River19
- Deep River Center19
- Durham19
- East Brooklyn19
- East Hampton19
- Enfield19
- Essex Village19
- Farmington19
- Fenwick19
- Gales Ferry19
- Glastonbury Center19
- Hartford19
- Higganum19
- Jewett City19
- Kensington19
- Lake Pocotopaug19
- Lisbon19
- Litchfield19
- Long Hill, Southeastern Connecticut County19
- Lower Connecticut River Valley19
- Madison19
- Manchester19
- Mashantucket19
- Meriden19
- Moodus19
- Moosup19
- Mystic19
- New Britain19
- New Hartford Center19
- New London19
- Newington19
- Niantic19
- Noank19
- North Granby19
- Northwest Harwinton19
- Northwest Hills19
- Norwich19
- Old Lyme19
- Old Mystic19
- Old Saybrook Center19
- Oxoboxo River19
- Pawcatuck19
- Plainfield Village19
- Plainville19
- Plymouth19
- Poquonock Bridge19
- Portland19
- Riverton19
- Salem19
- Salmon Brook19
- Saybrook Manor19
- Sherman19
- Simsbury Center19
- South Windham19
- South Windsor19
- Southeastern Connecticut19
- Tariffville19
- Terramuggus19
- Terryville19
- Thomaston19
- Torrington19
- Torrington town19
- Waterford town19
- Wauregan19
- Weatogue19
- West Simsbury19
- Westbrook Center19
- Wethersfield19
- Willimantic19
- Winsted19
- Ashford18
- Broad Brook18
- Coventry18
- Coventry Lake18
- Crystal Lake18
- Ellington18
- Hamden18
- Mansfield Center18
- Mechanicsville18
- North Grosvenor Dale18
- Northeastern Connecticut18
- Quasset Lake18
- Quinebaug18
- Rockville18
- South Coventry18
- South Woodstock18
- Southwood Acres18
- Storrs18
- Suffield Depot18
- West Hartford18
- Windsor Locks18
- Hazardville17
- Middletown17
- Redding17
- Somers17
- Stafford17
- Stafford Springs17
- Thompsonville17
- Tolland17
- Sherwood Manor16
- Waterford14
- Milford town13
- Washington12
- Killingly11
- Old Saybrook11
- Simsbury11
- Colebrook10
- Hebron10
- Woodbury10
- Guilford8
- Newtown1
- West Mountain1
