Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 12:39, Jul 19
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Waterford town176
- Hamden139
- Groton109
- Danbury107
- Coventry105
- West Mountain103
- Simsbury102
- Danielson93
- East Brooklyn93
- Mechanicsville93
- North Grosvenor Dale93
- Northeastern Connecticut93
- Quasset Lake93
- Quinebaug93
- South Woodstock93
- Wauregan93
- Mansfield Center92
- Moosup92
- Plainfield Village92
- Stafford92
- Stafford Springs92
- Baltic91
- Coventry Lake91
- Crystal Lake91
- Ellington91
- Jewett City91
- Lisbon91
- Rockville91
- Somers91
- South Coventry91
- South Windham91
- Storrs91
- Willimantic91
- Broad Brook90
- Capitol90
- Colchester90
- Hazardville90
- Hebron90
- Manchester90
- Mashantucket90
- Sherwood Manor90
- South Windsor90
- Southeastern Connecticut90
- Southwood Acres90
- Suffield Depot90
- Terramuggus90
- Thompsonville90
- Windsor90
- Blue Hills89
- Conning Towers-Nautilus Park89
- East Hampton89
- Gales Ferry89
- Glastonbury Center89
- Lake Pocotopaug89
- Long Hill, Southeastern Connecticut County89
- Moodus89
- Mystic89
- New London89
- Noank89
- North Granby89
- Old Mystic89
- Oxoboxo River89
- Pawcatuck89
- Poquonock Bridge89
- Salem89
- Salmon Brook89
- Simsbury Center89
- Tariffville89
- Weatogue89
- West Simsbury89
- Wethersfield89
- Canton Valley88
- Chester Center88
- Collinsville88
- Cromwell88
- Farmington88
- Higganum88
- Kensington88
- Lower Connecticut River Valley88
- New Britain88
- New Hartford Center88
- Newington88
- Niantic88
- Old Lyme88
- Portland88
- Riverton88
- Winsted88
- Bristol87
- Deep River Center87
- Durham87
- Essex Village87
- Fenwick87
- Northwest Harwinton87
- Old Saybrook Center87
- Plainville87
- Saybrook Manor87
- Southington87
- Torrington87
- Torrington town87
- Canaan86
- Clinton86
- Litchfield86
- Meriden86
- Northwest Hills86
- Plantsville86
- Plymouth86
- Terryville86
- Thomaston86
- Wallingford86
- Wallingford Center86
- Westbrook Center86
- Bethlehem Village85
- Cheshire Village85
- Guilford Center85
- Madison Center85
- North Haven85
- Northford85
- Oakville85
- Prospect85
- Quinnipiac University85
- Watertown85
- Branford Center84
- Cornwall84
- East Hartford84
- Middlebury84
- Naugatuck84
- Naugatuck Valley84
- New Preston84
- South Central Connecticut84
- Washington84
- Woodbury Center84
- Ansonia83
- Heritage Village83
- Seymour83
- West Haven83
- Woodbridge83
- Canton82
- Cheshire82
- Derby82
- Gaylordsville82
- New Milford82
- Orange82
- Oronoque82
- Sandy Hook82
- Woodmont82
- Bigelow Corners81
- Milford81
- Tashua81
- Trumbull Center81
- Bethel80
- Greater Bridgeport80
- Lordship80
- Redding80
- Redding Center80
- Southport80
- Western Connecticut80
- Cannondale79
- Darien Downtown79
- Greens Farms79
- Greenwich79
- Norwalk79
- Ridgefield79
- Saugatuck79
- Weston79
- Wilton Center79
- Byram78
- Cos Cob78
- Glenville78
- Old Greenwich78
- Pemberwick78
- Riverside78
- Rock Ridge78
- Stamford78
- Enfield74
- Plainfield72
- Milford town70
- Colebrook69
- Waterbury69
- West Hartford69
- New Canaan67
- Windsor Locks63
- Fairfield62
- Tolland60
- Hartford59
- Trumbull56
- Madison55
- New Haven55
- Waterford55
- East Haven53
- Winchester53
- Sherman49
- Ashford48
- Stratford48
- Bridgeport45
- Greenwich town45
- Middletown45
- Westport44
- Pomfret43
- Shelton43
- Glastonbury41
- Mansfield41
- Woodbury41
- Berlin35
- Oxford33
- Newtown26
- Canterbury24
- Killingworth24
- Deep River18
- Branford17
- Lebanon15
- Guilford14
- Norwich13
- Lyme12
- Montville9
