Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 19:23, Oct 10
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time information
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Which is the most polluted city in Connecticut?
- New Canaan163
- Newtown42
- Shelton42
- Hartford41
- Danbury36
- Byram30
- Cornwall30
- Glenville30
- Greenwich town30
- Pemberwick30
- Rock Ridge30
- Cos Cob29
- Old Greenwich29
- Plainfield29
- Riverside29
- Stamford28
- Killingly27
- East Haven26
- Waterbury26
- East Hartford25
- Mansfield25
- Darien Downtown24
- Pomfret24
- Bethel23
- Bigelow Corners23
- Cannondale23
- Greens Farms23
- Norwalk23
- Old Saybrook23
- Redding23
- Redding Center23
- Ridgefield23
- Saugatuck23
- Southport23
- Western Connecticut23
- Weston23
- Westport23
- Wilton Center23
- Windsor23
- Gaylordsville22
- Greater Bridgeport22
- Lordship22
- New Haven22
- Tashua22
- Trumbull22
- Trumbull Center22
- Ansonia21
- Derby21
- Heritage Village21
- Milford21
- New Milford21
- New Preston21
- Orange21
- Oronoque21
- Sandy Hook21
- Seymour21
- Simsbury21
- Stratford21
- Waterford21
- West Haven21
- Woodbridge21
- Woodbury Center21
- Woodmont21
- Bethlehem Village20
- Branford Center20
- Hamden20
- Litchfield20
- Middlebury20
- Naugatuck20
- Naugatuck Valley20
- Oakville20
- South Central Connecticut20
- Watertown20
- Ashford19
- Baltic19
- Blue Hills19
- Bristol19
- Broad Brook19
- Canaan19
- Canton19
- Canton Valley19
- Capitol19
- Cheshire19
- Cheshire Village19
- Chester Center19
- Clinton19
- Colchester19
- Collinsville19
- Conning Towers-Nautilus Park19
- Coventry19
- Coventry Lake19
- Cromwell19
- Crystal Lake19
- Deep River Center19
- Durham19
- East Hampton19
- Ellington19
- Essex Village19
- Farmington19
- Fenwick19
- Gales Ferry19
- Glastonbury Center19
- Guilford Center19
- Higganum19
- Jewett City19
- Kensington19
- Lake Pocotopaug19
- Lisbon19
- Long Hill, Southeastern Connecticut County19
- Lower Connecticut River Valley19
- Madison19
- Madison Center19
- Manchester19
- Mansfield Center19
- Mashantucket19
- Meriden19
- Moodus19
- Moosup19
- Mystic19
- New Britain19
- New Hartford Center19
- New London19
- Newington19
- Niantic19
- Noank19
- North Haven19
- Northford19
- Northwest Harwinton19
- Northwest Hills19
- Norwich19
- Old Lyme19
- Old Mystic19
- Old Saybrook Center19
- Oxoboxo River19
- Pawcatuck19
- Plainfield Village19
- Plainville19
- Plantsville19
- Plymouth19
- Poquonock Bridge19
- Portland19
- Prospect19
- Quinnipiac University19
- Riverton19
- Rockville19
- Salem19
- Salmon Brook19
- Saybrook Manor19
- Simsbury Center19
- South Coventry19
- South Windham19
- South Windsor19
- Southeastern Connecticut19
- Southwood Acres19
- Storrs19
- Suffield Depot19
- Tariffville19
- Terramuggus19
- Terryville19
- Thomaston19
- Torrington19
- Torrington town19
- Wallingford19
- Wallingford Center19
- Waterford town19
- Weatogue19
- West Simsbury19
- Westbrook Center19
- Wethersfield19
- Willimantic19
- Windsor Locks19
- Winsted19
- Berlin18
- Danielson18
- East Brooklyn18
- Fairfield18
- Glastonbury18
- Hazardville18
- Mechanicsville18
- North Granby18
- North Grosvenor Dale18
- Northeastern Connecticut18
- Quasset Lake18
- Quinebaug18
- Sherwood Manor18
- Somers18
- South Woodstock18
- Stafford18
- Stafford Springs18
- Thompsonville18
- Wauregan18
- Bolton17
- Groton17
- Southington17
- Branford16
- Deep River14
- Montville14
- Bridgeport13
- Greenwich13
- Sherman13
- West Hartford13
- Enfield11
- Hebron11
- Lebanon10
- Tolland10
- Killingworth8
- Lyme8
- Oxford8
- Winchester8
- Canterbury7
- Middletown7
- Milford town7
- Colebrook6
- Guilford6
- Woodbury6
- Washington2
- West Mountain0
