Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 22:22, Jul 22
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Simsbury50
- Coventry49
- Conning Towers-Nautilus Park46
- Long Hill, Southeastern Connecticut County46
- Mashantucket46
- Mystic46
- New London46
- Niantic46
- Noank46
- Old Mystic46
- Pawcatuck46
- Poquonock Bridge46
- Waterford town46
- Clinton45
- Essex Village45
- Fenwick45
- Gales Ferry45
- Old Lyme45
- Old Saybrook Center45
- Oxoboxo River45
- Saybrook Manor45
- Southeastern Connecticut45
- Westbrook Center45
- Baltic44
- Branford Center44
- Byram44
- Chester Center44
- Cos Cob44
- Darien Downtown44
- Deep River Center44
- Durham44
- Glenville44
- Greater Bridgeport44
- Greens Farms44
- Greenwich town44
- Guilford Center44
- Hamden44
- Higganum44
- Jewett City44
- Lisbon44
- Lordship44
- Lower Connecticut River Valley44
- Madison44
- Madison Center44
- Milford44
- Moodus44
- Moosup44
- Norwalk44
- Old Greenwich44
- Pemberwick44
- Plainfield44
- Plainfield Village44
- Riverside44
- Rock Ridge44
- Salem44
- Saugatuck44
- South Central Connecticut44
- Southport44
- Stamford44
- Stratford44
- Woodmont44
- Ansonia43
- Bethel43
- Bethlehem Village43
- Bigelow Corners43
- Blue Hills43
- Bristol43
- Canaan43
- Cannondale43
- Capitol43
- Cheshire43
- Cheshire Village43
- Colchester43
- Coventry Lake43
- Cromwell43
- Danielson43
- Derby43
- East Brooklyn43
- East Hampton43
- Farmington43
- Glastonbury Center43
- Hebron43
- Heritage Village43
- Kensington43
- Lake Pocotopaug43
- Manchester43
- Mechanicsville43
- Meriden43
- Middlebury43
- Middletown43
- Naugatuck43
- Naugatuck Valley43
- New Britain43
- New Milford43
- Newington43
- North Grosvenor Dale43
- North Haven43
- Northeastern Connecticut43
- Northford43
- Oakville43
- Orange43
- Oronoque43
- Plainville43
- Plantsville43
- Plymouth43
- Pomfret43
- Portland43
- Prospect43
- Quasset Lake43
- Quinnipiac University43
- Redding43
- Redding Center43
- Ridgefield43
- Sandy Hook43
- Seymour43
- South Coventry43
- South Windham43
- South Woodstock43
- Southington43
- Tashua43
- Terramuggus43
- Terryville43
- Thomaston43
- Trumbull Center43
- Wallingford43
- Wallingford Center43
- Watertown43
- Wauregan43
- West Haven43
- Western Connecticut43
- Weston43
- Wethersfield43
- Willimantic43
- Wilton Center43
- Woodbridge43
- Woodbury Center43
- Broad Brook42
- Canton Valley42
- Collinsville42
- Crystal Lake42
- Ellington42
- Gaylordsville42
- Hazardville42
- Litchfield42
- Mansfield Center42
- New Hartford Center42
- New Preston42
- North Granby42
- Northwest Harwinton42
- Northwest Hills42
- Quinebaug42
- Riverton42
- Rockville42
- Salmon Brook42
- Sherwood Manor42
- Simsbury Center42
- Somers42
- South Windsor42
- Southwood Acres42
- Stafford42
- Stafford Springs42
- Storrs42
- Suffield Depot42
- Tariffville42
- Thompsonville42
- Torrington42
- Torrington town42
- Washington42
- Weatogue42
- West Simsbury42
- Windsor42
- Winsted42
- Groton40
- Cornwall39
- Danbury39
- Killingly39
- Winchester37
- Greenwich33
- Waterbury33
- Hartford32
- Sherman32
- Windsor Locks32
- Mansfield30
- New Haven30
- East Haven29
- Fairfield29
- Trumbull29
- Berlin28
- Ashford27
- New Canaan26
- Waterford26
- Glastonbury24
- Woodbury24
- East Hartford23
- Newtown23
- Tolland23
- West Hartford23
- Canterbury22
- Lebanon22
- Norwich22
- Oxford22
- Montville21
- Killingworth20
- Deep River19
- Bridgeport18
- Branford16
- Canton16
- Westport16
- Enfield14
- Lyme14
- West Mountain14
- Guilford12
- Shelton12
- Milford town11
- Colebrook4
