Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 23:19, Jul 21
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Bridgeport59
- Hamden58
- Simsbury55
- Mystic53
- Noank53
- Old Mystic53
- Pawcatuck53
- Poquonock Bridge53
- Conning Towers-Nautilus Park52
- Gales Ferry52
- Long Hill, Southeastern Connecticut County52
- Mashantucket52
- New London52
- Niantic52
- Waterford town52
- Jewett City51
- Moosup51
- Oxoboxo River51
- Plainfield51
- Plainfield Village51
- Southeastern Connecticut51
- Lisbon50
- Baltic49
- Danielson49
- East Brooklyn49
- Fenwick49
- Old Lyme49
- Old Saybrook Center49
- Saybrook Manor49
- Wauregan49
- Essex Village48
- Mechanicsville48
- North Grosvenor Dale48
- Northeastern Connecticut48
- Pomfret48
- Quasset Lake48
- Quinebaug48
- Salem48
- South Woodstock48
- Westbrook Center48
- Clinton47
- Deep River Center47
- South Windham47
- Chester Center46
- Madison Center46
- Mansfield Center46
- Willimantic46
- Colchester45
- Guilford Center45
- Lower Connecticut River Valley45
- Storrs45
- Branford Center44
- Byram44
- Cos Cob44
- Coventry Lake44
- Lordship44
- Madison44
- Moodus44
- Old Greenwich44
- Pemberwick44
- Riverside44
- South Coventry44
- Stafford44
- Stafford Springs44
- Crystal Lake43
- Darien Downtown43
- East Hampton43
- Ellington43
- Glenville43
- Greater Bridgeport43
- Greens Farms43
- Greenwich town43
- Hebron43
- Milford43
- Norwalk43
- Rock Ridge43
- Saugatuck43
- Somers43
- South Central Connecticut43
- Southport43
- Stamford43
- Stratford43
- Woodmont43
- Broad Brook42
- Durham42
- Hazardville42
- Higganum42
- Lake Pocotopaug42
- Manchester42
- Northford42
- Portland42
- Rockville42
- Sherwood Manor42
- Southwood Acres42
- Terramuggus42
- Thompsonville42
- Trumbull Center42
- West Haven42
- Ansonia41
- Blue Hills41
- Capitol41
- Cheshire41
- Cheshire Village41
- Cromwell41
- Derby41
- Farmington41
- Glastonbury Center41
- Kensington41
- Meriden41
- Middletown41
- New Britain41
- Newington41
- North Granby41
- North Haven41
- Orange41
- Oronoque41
- Plainville41
- Quinnipiac University41
- Salmon Brook41
- South Windsor41
- Southington41
- Suffield Depot41
- Tariffville41
- Tashua41
- Wallingford41
- Wallingford Center41
- Weston41
- Wethersfield41
- Windsor41
- Woodbridge41
- Bristol40
- Cannondale40
- Canton Valley40
- Collinsville40
- Heritage Village40
- Mansfield40
- Middlebury40
- Naugatuck40
- Naugatuck Valley40
- New Hartford Center40
- Oakville40
- Plantsville40
- Plymouth40
- Prospect40
- Riverton40
- Sandy Hook40
- Seymour40
- Simsbury Center40
- Terryville40
- Weatogue40
- West Simsbury40
- Wilton Center40
- Bethel39
- Bethlehem Village39
- Bigelow Corners39
- Canaan39
- Gaylordsville39
- Litchfield39
- New Milford39
- New Preston39
- Northwest Harwinton39
- Northwest Hills39
- Redding39
- Redding Center39
- Ridgefield39
- Thomaston39
- Torrington39
- Torrington town39
- Washington39
- Watertown39
- West Mountain39
- Western Connecticut39
- Winsted39
- Woodbury Center39
- Groton37
- Waterford33
- East Hartford32
- Cornwall31
- Danbury28
- Killingly28
- New Haven28
- Fairfield25
- East Haven22
- Oxford22
- Waterbury22
- Greenwich19
- Hartford19
- Trumbull19
- Berlin18
- Winchester18
- Branford16
- Glastonbury15
- Killingworth14
- Montville14
- Windsor Locks14
- Norwich13
- Canterbury12
- Coventry12
- Deep River12
- Lyme11
- Newtown11
- Ashford9
- Guilford9
- Woodbury9
- New Canaan7
- Lebanon6
- Sherman6
- West Hartford4
- Canton3
- Milford town3
- Westport3
- Colebrook2
- Shelton2
- Tolland2
- Enfield0
