Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 05:04, Aug 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?
- Middletown90
- Norwich85
- Waterford town77
- West Mountain72
- Old Saybrook71
- Danbury69
- Fenwick68
- Greenwich68
- Hamden68
- Niantic68
- Old Saybrook Center68
- Saybrook Manor68
- Chester Center67
- Clinton67
- Conning Towers-Nautilus Park67
- Deep River Center67
- Essex Village67
- Gales Ferry67
- Long Hill, Southeastern Connecticut County67
- Madison Center67
- Mashantucket67
- Mystic67
- New London67
- Noank67
- Old Lyme67
- Old Mystic67
- Oxoboxo River67
- Pawcatuck67
- Poquonock Bridge67
- Salem67
- Southeastern Connecticut67
- Westbrook Center67
- Baltic66
- Colchester66
- Durham66
- East Hampton66
- Fairfield66
- Guilford Center66
- Higganum66
- Jewett City66
- Killingly66
- Lake Pocotopaug66
- Lisbon66
- Lower Connecticut River Valley66
- Madison66
- Moodus66
- Branford Center65
- Byram65
- Hebron65
- Mansfield Center65
- North Haven65
- Northford65
- Old Greenwich65
- Pemberwick65
- Portland65
- South Central Connecticut65
- South Coventry65
- South Windham65
- Terramuggus65
- Wallingford65
- Wallingford Center65
- West Haven65
- Willimantic65
- Woodmont65
- Cos Cob64
- Coventry64
- Coventry Lake64
- Cromwell64
- Darien Downtown64
- Glastonbury Center64
- Glenville64
- Greater Bridgeport64
- Greens Farms64
- Greenwich town64
- Lordship64
- Manchester64
- Meriden64
- Milford64
- Norwalk64
- Orange64
- Oronoque64
- Plainfield Village64
- Quinnipiac University64
- Riverside64
- Rock Ridge64
- Saugatuck64
- Southport64
- Stamford64
- Storrs64
- Stratford64
- Trumbull Center64
- Woodbridge64
- Ansonia63
- Cannondale63
- Capitol63
- Cheshire Village63
- Derby63
- Kensington63
- Moosup63
- New Britain63
- Newington63
- Plantsville63
- Prospect63
- Redding Center63
- Ridgefield63
- Rockville63
- Seymour63
- Southington63
- Tashua63
- Wauregan63
- Western Connecticut63
- Weston63
- Wethersfield63
- Wilton Center63
- Ashford62
- Bethel62
- Danielson62
- East Brooklyn62
- Groton62
- Naugatuck62
- Naugatuck Valley62
- Northeastern Connecticut62
- Plainville62
- Pomfret62
- Redding62
- Sandy Hook62
- South Windsor62
- Bigelow Corners61
- Blue Hills61
- Bristol61
- Broad Brook61
- Crystal Lake61
- Ellington61
- Farmington61
- Heritage Village61
- Middlebury61
- Oakville61
- Plymouth61
- Quasset Lake61
- South Woodstock61
- Stafford61
- Stafford Springs61
- Woodbury Center61
- Bethlehem Village60
- Hazardville60
- New Milford60
- Somers60
- Southwood Acres60
- Terryville60
- Thomaston60
- Waterford60
- Watertown60
- Weatogue60
- Windsor60
- Canton59
- Canton Valley59
- Collinsville59
- Gaylordsville59
- Hartford59
- Litchfield59
- Mechanicsville59
- Montville59
- New Canaan59
- New Preston59
- North Grosvenor Dale59
- Northwest Harwinton59
- Quinebaug59
- Sherwood Manor59
- Simsbury Center59
- Suffield Depot59
- Tariffville59
- Thompsonville59
- Washington59
- West Simsbury59
- Bridgeport58
- East Hartford58
- Lyme58
- New Hartford Center58
- Salmon Brook58
- Torrington58
- Torrington town58
- Waterbury58
- North Granby57
- Northwest Hills57
- Riverton57
- Winsted57
- Canaan56
- Colebrook56
- Deep River56
- Woodbury56
- Trumbull55
- Branford54
- Cheshire54
- Guilford54
- Mansfield54
- Tolland54
- Windsor Locks54
- Glastonbury53
- Killingworth53
- Lebanon53
- Milford town53
- New Haven53
- Berlin52
- Canterbury52
- Shelton49
- Newtown48
- Westport47
- East Haven46
- West Hartford45
- Sherman43
- Enfield41
- Oxford38
- Simsbury33
- Cornwall31
- Plainfield31
- Winchester31
