Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 19:54, Nov 09
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time informationActive fires
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Which is the most polluted city in Connecticut?
- Shelton161
- Fairfield39
- Waterbury37
- Cornwall32
- Hamden31
- Canterbury30
- Bridgeport29
- Ansonia28
- Killingly28
- New Haven28
- Simsbury28
- Derby27
- Groton27
- Hartford27
- Branford26
- Killingworth26
- Pomfret26
- Berlin24
- Byram24
- Cos Cob24
- Coventry24
- Deep River24
- Glenville24
- Greenwich town24
- Old Greenwich24
- Pemberwick24
- Riverside24
- Rock Ridge24
- Windsor24
- Bolton23
- East Hartford23
- Mansfield23
- Montville23
- Stamford23
- Cannondale22
- Danbury22
- Darien Downtown22
- Glastonbury22
- Greater Bridgeport22
- Greens Farms22
- Lordship22
- Middletown22
- Norwalk22
- Oronoque22
- Redding22
- Redding Center22
- Ridgefield22
- Saugatuck22
- Southport22
- Stratford22
- Tashua22
- Trumbull22
- Trumbull Center22
- Western Connecticut22
- Weston22
- Westport22
- Wilton Center22
- Winchester22
- Bethel21
- Heritage Village21
- Milford21
- Naugatuck21
- North Haven21
- Orange21
- Quinnipiac University21
- Sandy Hook21
- Seymour21
- South Central Connecticut21
- West Hartford21
- West Haven21
- Woodbridge21
- Woodmont21
- Branford Center20
- Cheshire Village20
- Middlebury20
- Naugatuck Valley20
- Prospect20
- Bigelow Corners19
- Cheshire19
- Chester Center19
- Clinton19
- Deep River Center19
- Durham19
- Essex Village19
- Fenwick19
- Guilford Center19
- Higganum19
- Lebanon19
- Lower Connecticut River Valley19
- Madison19
- Madison Center19
- Meriden19
- Northford19
- Old Lyme19
- Old Saybrook Center19
- Oxford19
- Saybrook Manor19
- Wallingford19
- Wallingford Center19
- Westbrook Center19
- Woodbury Center19
- East Haven18
- Long Hill, Southeastern Connecticut County18
- Moodus18
- New Canaan18
- New London18
- New Milford18
- Newtown18
- Niantic18
- Oakville18
- Plantsville18
- Portland18
- Tolland18
- Waterford18
- Waterford town18
- Conning Towers-Nautilus Park17
- Cromwell17
- East Hampton17
- Gales Ferry17
- Greenwich17
- Kensington17
- Lake Pocotopaug17
- Noank17
- Old Saybrook17
- Oxoboxo River17
- Poquonock Bridge17
- Salem17
- Sherman17
- Southington17
- Watertown17
- Bethlehem Village16
- Gaylordsville16
- Mystic16
- Old Mystic16
- Plymouth16
- Southeastern Connecticut16
- Terramuggus16
- Bristol15
- Colchester15
- Mashantucket15
- New Britain15
- Newington15
- Norwich15
- Pawcatuck15
- Plainville15
- Terryville15
- Thomaston15
- Ashford14
- Baltic14
- Blue Hills14
- Broad Brook14
- Canaan14
- Canton14
- Canton Valley14
- Capitol14
- Collinsville14
- Coventry Lake14
- Crystal Lake14
- Ellington14
- Farmington14
- Glastonbury Center14
- Hazardville14
- Jewett City14
- Lisbon14
- Litchfield14
- Manchester14
- Mansfield Center14
- Milford town14
- New Hartford Center14
- New Preston14
- North Granby14
- Northwest Harwinton14
- Northwest Hills14
- Riverton14
- Rockville14
- Salmon Brook14
- Sherwood Manor14
- Simsbury Center14
- Somers14
- South Coventry14
- South Windham14
- South Windsor14
- Southwood Acres14
- Stafford14
- Stafford Springs14
- Storrs14
- Suffield Depot14
- Tariffville14
- Thompsonville14
- Torrington14
- Torrington town14
- Weatogue14
- West Simsbury14
- Wethersfield14
- Willimantic14
- Windsor Locks14
- Winsted14
- Northeastern Connecticut13
- Plainfield Village13
- Danielson12
- East Brooklyn12
- Enfield12
- Guilford12
- Mechanicsville12
- Moosup12
- North Grosvenor Dale12
- Quasset Lake12
- Quinebaug12
- South Woodstock12
- Wauregan12
- Washington11
- Plainfield9
- Colebrook7
- Hebron7
- Columbia5
- Woodbury5
- West Mountain0









