Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 08:51, Nov 12
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time information
Active fires
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Which is the most polluted city in Connecticut?
- Shelton67
- East Haven58
- Danbury52
- Plainfield51
- Groton47
- Oxford40
- Pomfret36
- Cornwall34
- Glastonbury29
- Deep River28
- Fairfield28
- Killingly28
- Ansonia27
- Hamden27
- Waterbury27
- Windsor26
- East Hartford23
- New Haven23
- Trumbull22
- Blue Hills21
- Broad Brook21
- Capitol21
- Cheshire21
- Cheshire Village21
- Colchester21
- Coventry Lake21
- Cromwell21
- Crystal Lake21
- Durham21
- East Hampton21
- Ellington21
- Farmington21
- Glastonbury Center21
- Hazardville21
- Higganum21
- Kensington21
- Lake Pocotopaug21
- Manchester21
- Mansfield21
- Meriden21
- Naugatuck21
- Naugatuck Valley21
- New Britain21
- Newington21
- Plainville21
- Plantsville21
- Portland21
- Rockville21
- Somers21
- South Coventry21
- South Windsor21
- Southington21
- Southwood Acres21
- Stafford21
- Stafford Springs21
- Storrs21
- Terramuggus21
- Wallingford21
- Wallingford Center21
- Wethersfield21
- Ashford20
- Bethel20
- Bethlehem Village20
- Bigelow Corners20
- Bristol20
- Cannondale20
- Canton20
- Canton Valley20
- Collinsville20
- Danielson20
- Derby20
- East Brooklyn20
- Heritage Village20
- Litchfield20
- Mansfield Center20
- Mechanicsville20
- Middlebury20
- Moodus20
- New Canaan20
- New Milford20
- North Grosvenor Dale20
- North Haven20
- Northeastern Connecticut20
- Northford20
- Northwest Harwinton20
- Oakville20
- Plymouth20
- Prospect20
- Quasset Lake20
- Quinebaug20
- Quinnipiac University20
- Redding Center20
- Ridgefield20
- Sandy Hook20
- Seymour20
- Sherman20
- Sherwood Manor20
- Simsbury Center20
- South Windham20
- South Woodstock20
- Suffield Depot20
- Tariffville20
- Terryville20
- Thomaston20
- Thompsonville20
- Watertown20
- Wauregan20
- Weatogue20
- West Mountain20
- West Simsbury20
- Western Connecticut20
- Willimantic20
- Wilton Center20
- Windsor Locks20
- Woodbridge20
- Woodbury Center20
- Baltic19
- Berlin19
- Branford Center19
- Bridgeport19
- Byram19
- Chester Center19
- Cos Cob19
- Darien Downtown19
- Gaylordsville19
- Glenville19
- Greater Bridgeport19
- Greens Farms19
- Greenwich town19
- Jewett City19
- Lisbon19
- Lower Connecticut River Valley19
- Madison19
- Milford19
- Moosup19
- New Hartford Center19
- New Preston19
- North Granby19
- Northwest Hills19
- Norwalk19
- Old Greenwich19
- Orange19
- Oronoque19
- Pemberwick19
- Plainfield Village19
- Riverside19
- Riverton19
- Rock Ridge19
- Salem19
- Salmon Brook19
- Saugatuck19
- South Central Connecticut19
- Southport19
- Stamford19
- Stratford19
- Tashua19
- Torrington19
- Torrington town19
- Trumbull Center19
- West Haven19
- Weston19
- Westport19
- Winsted19
- Woodmont19
- Bolton18
- Clinton18
- Deep River Center18
- Essex Village18
- Gales Ferry18
- Guilford Center18
- Lordship18
- Lyme18
- Madison Center18
- Mashantucket18
- Norwich18
- Old Lyme18
- Oxoboxo River18
- Southeastern Connecticut18
- Tolland18
- West Hartford18
- Westbrook Center18
- Winchester18
- Canaan17
- Conning Towers-Nautilus Park17
- Enfield17
- Fenwick17
- Lebanon17
- Long Hill, Southeastern Connecticut County17
- Middletown17
- Mystic17
- New London17
- Niantic17
- Noank17
- Old Mystic17
- Old Saybrook Center17
- Pawcatuck17
- Poquonock Bridge17
- Saybrook Manor17
- Waterford17
- Waterford town17
- Greenwich16
- Hartford16
- Branford15
- Killingworth15
- Montville15
- Canterbury14
- Newtown13
- Guilford9
- Hebron9
- Milford town9
- Washington9
- Colebrook8
- Woodbury8
- Old Saybrook6
- Coventry4
- Columbia1
- Redding0
- Simsbury0
