Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 23:22, May 19
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Hartford70
- West Hartford69
- Quinnipiac University68
- Glastonbury67
- Waterbury67
- Windsor Locks67
- East Hartford66
- Enfield66
- Greater Bridgeport65
- Mansfield65
- Canterbury64
- Lyme64
- Montville64
- East Haven63
- Clinton62
- Groton62
- Mansfield Center62
- Naugatuck Valley62
- Norwich62
- Shelton62
- Tolland62
- Waterford62
- Bridgeport61
- Deep River Center61
- New Haven61
- New London61
- Oxford61
- Woodbury61
- Cheshire60
- Greenwich60
- Branford59
- Berlin58
- Canton58
- Oronoque58
- Baltic57
- Branford Center57
- Cheshire Village57
- Chester Center57
- Colchester57
- Conning Towers-Nautilus Park57
- Coventry Lake57
- Cromwell57
- Durham57
- East Hampton57
- Essex Village57
- Fenwick57
- Gales Ferry57
- Glastonbury Center57
- Guilford57
- Guilford Center57
- Hebron57
- Higganum57
- Jewett City57
- Kensington57
- Lake Pocotopaug57
- Lisbon57
- Long Hill, Southeastern Connecticut County57
- Lower Connecticut River Valley57
- Madison Center57
- Manchester57
- Mashantucket57
- Meriden57
- Middletown57
- Milford57
- Moodus57
- Moosup57
- Mystic57
- New Britain57
- Newington57
- Newtown57
- Niantic57
- Noank57
- North Haven57
- Northford57
- Old Lyme57
- Old Mystic57
- Old Saybrook Center57
- Orange57
- Oxoboxo River57
- Pawcatuck57
- Plainfield57
- Plainfield Village57
- Poquonock Bridge57
- Portland57
- Salem57
- Saybrook Manor57
- South Central Connecticut57
- South Coventry57
- South Windham57
- Southeastern Connecticut57
- Storrs57
- Terramuggus57
- Wallingford57
- Wallingford Center57
- Waterford town57
- West Haven57
- Westbrook Center57
- Weston57
- Wethersfield57
- Willimantic57
- Woodmont57
- Ansonia56
- Bethlehem Village56
- Blue Hills56
- Bristol56
- Broad Brook56
- Cannondale56
- Canton Valley56
- Capitol56
- Collinsville56
- Crystal Lake56
- Danielson56
- Darien Downtown56
- Derby56
- East Brooklyn56
- Ellington56
- Farmington56
- Greens Farms56
- Hazardville56
- Heritage Village56
- Litchfield56
- Lordship56
- Mechanicsville56
- Middlebury56
- Naugatuck56
- New Hartford Center56
- New Milford56
- North Granby56
- North Grosvenor Dale56
- Northeastern Connecticut56
- Northwest Harwinton56
- Norwalk56
- Oakville56
- Plainville56
- Plantsville56
- Plymouth56
- Pomfret56
- Prospect56
- Quasset Lake56
- Quinebaug56
- Redding Center56
- Rockville56
- Salmon Brook56
- Sandy Hook56
- Saugatuck56
- Seymour56
- Sherwood Manor56
- Simsbury Center56
- Somers56
- South Windsor56
- South Woodstock56
- Southington56
- Southport56
- Southwood Acres56
- Stafford Springs56
- Suffield Depot56
- Tariffville56
- Tashua56
- Terryville56
- Thomaston56
- Thompsonville56
- Trumbull Center56
- Watertown56
- Weatogue56
- West Simsbury56
- Wilton Center56
- Windsor56
- Woodbridge56
- Woodbury Center56
- Bethel55
- Bigelow Corners55
- Byram55
- Canaan55
- Cos Cob55
- Gaylordsville55
- Glenville55
- New Canaan55
- New Preston55
- Northwest Hills55
- Old Greenwich55
- Pemberwick55
- Ridgefield55
- Riverside55
- Rock Ridge55
- Stamford55
- Torrington55
- Torrington town55
- Washington55
- West Mountain55
- Winchester55
- Western Connecticut54
- Winsted54
- Cornwall51
- Wauregan42
- Sherman41
- Danbury33
- Riverton18
