Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 23:03, Jul 17
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Hamden175
- West Mountain169
- Waterbury164
- Plainfield157
- Danbury156
- Norwich155
- Waterford town153
- Greenwich148
- Newtown141
- Deep River137
- Coventry134
- Mansfield131
- New Canaan128
- Canton127
- Oxford123
- Cheshire122
- Shelton122
- Groton120
- Montville120
- Fairfield119
- Trumbull117
- Guilford108
- East Haven106
- Windsor Locks105
- Byram99
- Canterbury99
- Pemberwick99
- Glenville98
- Greenwich town98
- Rock Ridge98
- Cos Cob97
- Glastonbury97
- Old Greenwich97
- Riverside97
- Milford town96
- Stamford95
- Lyme94
- Simsbury94
- Darien Downtown93
- Hartford93
- Lebanon92
- Norwalk92
- Waterford92
- Killingworth91
- Branford90
- East Hartford90
- Greens Farms90
- Saugatuck90
- Westport90
- Cannondale89
- Ridgefield89
- Southport89
- Weston89
- Wilton Center89
- Bridgeport88
- Fenwick88
- Greater Bridgeport88
- Niantic88
- Old Lyme88
- Old Saybrook Center88
- Saybrook Manor88
- Westbrook Center88
- Western Connecticut88
- Berlin87
- Clinton87
- Essex Village87
- Long Hill, Southeastern Connecticut County87
- Lordship87
- New London87
- Noank87
- Poquonock Bridge87
- Redding87
- Redding Center87
- Stratford87
- Tashua87
- Tolland87
- Trumbull Center87
- Bethel86
- Branford Center86
- Conning Towers-Nautilus Park86
- Deep River Center86
- Derby86
- Guilford Center86
- Madison Center86
- Milford86
- Orange86
- Oronoque86
- South Central Connecticut86
- West Haven86
- Woodmont86
- Ansonia85
- Bigelow Corners85
- Chester Center85
- Madison85
- Mystic85
- North Haven85
- Old Mystic85
- Seymour85
- Woodbridge85
- Gales Ferry84
- Lower Connecticut River Valley84
- Northford84
- Sandy Hook84
- Enfield83
- Oxoboxo River83
- Quinnipiac University83
- Wallingford Center83
- West Hartford83
- Durham82
- Heritage Village82
- Pawcatuck82
- Salem82
- Wallingford82
- Cheshire Village81
- Higganum81
- Mashantucket81
- Moodus81
- Naugatuck81
- Prospect81
- Southeastern Connecticut81
- Meriden80
- Middlebury80
- Middletown80
- Naugatuck Valley80
- New Milford80
- Woodbury Center80
- Colchester79
- East Hampton79
- Gaylordsville79
- Woodbury79
- Lake Pocotopaug78
- Oakville78
- Plantsville78
- Portland78
- Southington78
- Watertown78
- Bethlehem Village77
- Cromwell77
- Kensington77
- New Preston77
- Plymouth77
- Terramuggus77
- Washington77
- Baltic76
- Bristol76
- Hebron76
- New Britain76
- Newington76
- Plainville76
- Terryville76
- Thomaston76
- Farmington75
- Glastonbury Center75
- Jewett City75
- Lisbon75
- Litchfield75
- Wethersfield75
- Northwest Harwinton74
- South Windham74
- Northwest Hills73
- Torrington73
- Torrington town73
- Willimantic73
- Blue Hills72
- Canton Valley72
- Collinsville72
- Manchester72
- New Haven72
- Capitol71
- Coventry Lake71
- Mansfield Center71
- New Hartford Center71
- Plainfield Village71
- Simsbury Center71
- South Coventry71
- South Windsor71
- Weatogue71
- West Simsbury71
- Rockville70
- Storrs70
- Tariffville70
- Windsor70
- Winsted70
- Broad Brook69
- Canaan69
- Moosup69
- Riverton69
- Salmon Brook69
- Wauregan69
- Ellington68
- Southwood Acres68
- Suffield Depot68
- Ashford67
- Colebrook67
- Cornwall67
- Crystal Lake67
- Danielson67
- East Brooklyn67
- Hazardville67
- North Granby67
- Northeastern Connecticut67
- Thompsonville67
- Pomfret66
- Sherwood Manor66
- Somers66
- Stafford66
- Stafford Springs66
- Quasset Lake65
- Sherman65
- South Woodstock65
- Winchester65
- Mechanicsville64
- North Grosvenor Dale63
- Quinebaug63
