Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 15:31, May 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?
- Old Greenwich60
- Byram57
- Glenville57
- Pemberwick57
- Rock Ridge57
- Bigelow Corners56
- Canaan56
- Cos Cob56
- Gaylordsville56
- Riverside56
- West Mountain56
- Bethel55
- Cannondale55
- Darien Downtown55
- New Canaan55
- New Preston55
- Northwest Hills55
- Norwalk55
- Ridgefield55
- Stamford55
- Washington55
- Wilton Center55
- Bethlehem Village54
- Danbury54
- Greens Farms54
- Litchfield54
- Middletown54
- Redding Center54
- Saugatuck54
- Torrington54
- Torrington town54
- Winchester54
- Capitol53
- Heritage Village53
- Lordship53
- Middlebury53
- New Hartford Center53
- Northwest Harwinton53
- Oakville53
- Sandy Hook53
- Southport53
- Tashua53
- Thomaston53
- Trumbull Center53
- Watertown53
- Woodbury Center53
- Ansonia52
- Canton Valley52
- Collinsville52
- Cornwall52
- Derby52
- Milford52
- Naugatuck52
- North Granby52
- Orange52
- Plymouth52
- Prospect52
- Seymour52
- South Central Connecticut52
- Terryville52
- West Haven52
- Woodbridge52
- Woodmont52
- Branford Center51
- Bristol51
- Cheshire Village51
- East Hartford51
- Guilford Center51
- North Haven51
- Northford51
- Plainville51
- Plantsville51
- Salmon Brook51
- Simsbury Center51
- Wallingford51
- Wallingford Center51
- Weatogue51
- West Simsbury51
- Farmington50
- Long Hill, Southeastern Connecticut County50
- Madison Center50
- Meriden50
- Mystic50
- Noank50
- Old Mystic50
- Pawcatuck50
- Poquonock Bridge50
- Tariffville50
- Baltic49
- Blue Hills49
- Chester Center49
- Conning Towers-Nautilus Park49
- Cromwell49
- Danielson49
- Durham49
- Essex Village49
- Fenwick49
- Gales Ferry49
- Groton49
- Higganum49
- Jewett City49
- Kensington49
- Lisbon49
- Lower Connecticut River Valley49
- Mashantucket49
- Moodus49
- Moosup49
- New Britain49
- New Haven49
- Newington49
- Niantic49
- Old Lyme49
- Old Saybrook Center49
- Oxoboxo River49
- Plainfield49
- Plainfield Village49
- Portland49
- Salem49
- Saybrook Manor49
- Southeastern Connecticut49
- Waterford town49
- Westbrook Center49
- Wethersfield49
- Windsor49
- Broad Brook48
- Colchester48
- Coventry Lake48
- Crystal Lake48
- East Brooklyn48
- East Hampton48
- Ellington48
- Glastonbury Center48
- Hazardville48
- Hebron48
- Lake Pocotopaug48
- Manchester48
- Mechanicsville48
- North Grosvenor Dale48
- Northeastern Connecticut48
- Pomfret48
- Quasset Lake48
- Quinebaug48
- Rockville48
- Sherwood Manor48
- Somers48
- South Coventry48
- South Windham48
- South Windsor48
- South Woodstock48
- Southwood Acres48
- Stafford Springs48
- Storrs48
- Suffield Depot48
- Terramuggus48
- Thompsonville48
- Willimantic48
- Branford46
- Greater Bridgeport44
- Shelton43
- Hartford42
- East Haven41
- Montville41
- Western Connecticut41
- West Hartford40
- Winsted40
- Bridgeport39
- Glastonbury39
- Lyme39
- New London39
- Canterbury38
- Naugatuck Valley38
- New Milford38
- Clinton37
- Deep River Center37
- Berlin36
- Greenwich36
- Mansfield36
- Oxford36
- Waterbury36
- Weston36
- Sherman35
- Southington35
- Windsor Locks35
- Newtown34
- Tolland34
- Waterford33
- Woodbury33
- Mansfield Center31
- Norwich31
- Oronoque28
- Wauregan28
- Enfield27
- Guilford27
- Riverton26
- Quinnipiac University22
- Canton19
- Cheshire19
