Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 11:14, Aug 06
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Greenwich73
- Hamden69
- Old Saybrook64
- Fairfield57
- New Canaan57
- Byram56
- Glenville56
- Killingly56
- Pemberwick56
- Rock Ridge56
- Cannondale55
- Cos Cob55
- Darien Downtown55
- East Haven55
- Greens Farms55
- Norwalk55
- Old Greenwich55
- Ridgefield55
- Riverside55
- Saugatuck55
- Stamford55
- Trumbull55
- Weston55
- Wilton Center55
- Killingworth54
- Mansfield54
- Redding54
- Redding Center54
- Southport54
- Western Connecticut54
- Bethel53
- Bigelow Corners53
- Bridgeport53
- Canterbury53
- Greater Bridgeport53
- Guilford53
- Hartford53
- Lordship53
- Newtown53
- Oronoque53
- Tashua53
- Trumbull Center53
- Windsor Locks53
- Ansonia52
- Branford Center52
- Cheshire Village52
- Derby52
- Groton52
- Heritage Village52
- Middlebury52
- Milford52
- Naugatuck52
- Naugatuck Valley52
- New Haven52
- New Milford52
- North Haven52
- Oakville52
- Orange52
- Prospect52
- Quinnipiac University52
- Sandy Hook52
- Seymour52
- South Central Connecticut52
- Waterford52
- Watertown52
- West Haven52
- Woodbridge52
- Woodbury Center52
- Woodmont52
- Bethlehem Village51
- Deep River51
- Gaylordsville51
- Guilford Center51
- Meriden51
- Northford51
- Plantsville51
- Plymouth51
- Southington51
- Terryville51
- Thomaston51
- Wallingford51
- Wallingford Center51
- Washington51
- Bristol50
- Durham50
- Litchfield50
- Madison Center50
- New Preston50
- Simsbury50
- Waterford town50
- Blue Hills49
- Canton Valley49
- Capitol49
- Chester Center49
- Clinton49
- Colchester49
- Collinsville49
- Cromwell49
- Deep River Center49
- East Hampton49
- Essex Village49
- Farmington49
- Fenwick49
- Glastonbury Center49
- Hebron49
- Higganum49
- Kensington49
- Lake Pocotopaug49
- Lower Connecticut River Valley49
- Lyme49
- Manchester49
- Moodus49
- New Britain49
- Newington49
- Northwest Harwinton49
- Old Lyme49
- Old Saybrook Center49
- Plainville49
- Portland49
- Rockville49
- Salem49
- Saybrook Manor49
- Simsbury Center49
- South Windsor49
- Tariffville49
- Terramuggus49
- Torrington49
- Torrington town49
- Weatogue49
- West Simsbury49
- Westbrook Center49
- Wethersfield49
- Windsor49
- Baltic48
- Broad Brook48
- Coventry48
- Coventry Lake48
- Crystal Lake48
- Ellington48
- Gales Ferry48
- Lebanon48
- Lisbon48
- Mansfield Center48
- New Hartford Center48
- Niantic48
- Northwest Hills48
- Oxoboxo River48
- Salmon Brook48
- South Coventry48
- South Windham48
- Southeastern Connecticut48
- Southwood Acres48
- Storrs48
- Suffield Depot48
- Willimantic48
- Conning Towers-Nautilus Park47
- East Hartford47
- Glastonbury47
- Hazardville47
- Jewett City47
- Long Hill, Southeastern Connecticut County47
- Mashantucket47
- New London47
- North Granby47
- Plainfield Village47
- Riverton47
- Sherwood Manor47
- Somers47
- Stafford Springs47
- Thompsonville47
- Wauregan47
- Winsted47
- Canaan46
- Danielson46
- East Brooklyn46
- Mechanicsville46
- Moosup46
- Noank46
- North Grosvenor Dale46
- Northeastern Connecticut46
- Norwich46
- Old Mystic46
- Poquonock Bridge46
- Quasset Lake46
- Quinebaug46
- South Woodstock46
- Montville45
- Mystic45
- Berlin44
- Milford town44
- Pawcatuck43
- Enfield42
- Plainfield42
- Shelton42
- Tolland41
- Westport41
- West Hartford40
- West Mountain39
- Branford36
- Danbury34
- Oxford34
- Sherman28
- Waterbury28
- Woodbury27
- Middletown26
- Cornwall25
- Ashford21
- Canton21
- Madison19
- Pomfret19
- Stafford19
- Greenwich town17
- Stratford16
- Winchester16
- Colebrook6
- Cheshire1
