Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 10:46, 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?
- Waterbury76
- Hartford75
- Wauregan75
- Cornwall74
- Oxford74
- Naugatuck Valley73
- West Hartford72
- Woodbury72
- East Hartford70
- Glastonbury69
- Greater Bridgeport69
- Mansfield69
- Quinnipiac University69
- Windsor Locks69
- Enfield68
- Shelton68
- Greenwich67
- New Milford67
- Montville66
- Newtown66
- Sherman66
- Berlin65
- Bridgeport65
- Canterbury65
- Clinton65
- Tolland65
- Winsted65
- Danbury64
- Deep River Center64
- Mansfield Center64
- Norwich64
- Canton63
- Lyme63
- East Haven62
- Waterford62
- Branford61
- New Haven61
- Oronoque60
- Western Connecticut60
- Guilford59
- Cheshire58
- New London57
- Weston56
- Bethel54
- Bethlehem Village54
- Bigelow Corners54
- Blue Hills54
- Bristol54
- Broad Brook54
- Byram54
- Canaan54
- Cannondale54
- Canton Valley54
- Capitol54
- Cheshire Village54
- Chester Center54
- Colchester54
- Collinsville54
- Cos Cob54
- Coventry Lake54
- Cromwell54
- Crystal Lake54
- Darien Downtown54
- Durham54
- East Hampton54
- Ellington54
- Essex Village54
- Farmington54
- Gaylordsville54
- Glastonbury Center54
- Glenville54
- Groton54
- Guilford Center54
- Hazardville54
- Hebron54
- Heritage Village54
- Higganum54
- Kensington54
- Lake Pocotopaug54
- Litchfield54
- Lower Connecticut River Valley54
- Madison Center54
- Manchester54
- Meriden54
- Middlebury54
- Middletown54
- Moodus54
- Naugatuck54
- New Britain54
- New Canaan54
- New Hartford Center54
- New Preston54
- Newington54
- North Granby54
- North Haven54
- Northford54
- Northwest Harwinton54
- Northwest Hills54
- Norwalk54
- Oakville54
- Old Greenwich54
- Pemberwick54
- Plainville54
- Plantsville54
- Plymouth54
- Portland54
- Prospect54
- Redding Center54
- Ridgefield54
- Riverside54
- Rock Ridge54
- Rockville54
- Salmon Brook54
- Sandy Hook54
- Saybrook Manor54
- Seymour54
- Sherwood Manor54
- Simsbury Center54
- Somers54
- South Windsor54
- Southington54
- Southwood Acres54
- Stamford54
- Suffield Depot54
- Tariffville54
- Tashua54
- Terramuggus54
- Terryville54
- Thomaston54
- Thompsonville54
- Torrington54
- Torrington town54
- Wallingford54
- Wallingford Center54
- Washington54
- Watertown54
- Weatogue54
- West Mountain54
- West Simsbury54
- Westbrook Center54
- Wethersfield54
- Wilton Center54
- Winchester54
- Windsor54
- Woodbury Center54
- Ansonia53
- Baltic53
- Branford Center53
- Conning Towers-Nautilus Park53
- Danielson53
- Derby53
- East Brooklyn53
- Fenwick53
- Gales Ferry53
- Greens Farms53
- Jewett City53
- Lisbon53
- Long Hill, Southeastern Connecticut County53
- Lordship53
- Mashantucket53
- Mechanicsville53
- Milford53
- Moosup53
- Mystic53
- Niantic53
- Noank53
- North Grosvenor Dale53
- Northeastern Connecticut53
- Old Lyme53
- Old Mystic53
- Old Saybrook Center53
- Orange53
- Oxoboxo River53
- Pawcatuck53
- Plainfield53
- Plainfield Village53
- Pomfret53
- Poquonock Bridge53
- Quasset Lake53
- Quinebaug53
- Salem53
- Saugatuck53
- South Central Connecticut53
- South Coventry53
- South Windham53
- South Woodstock53
- Southeastern Connecticut53
- Southport53
- Stafford Springs53
- Storrs53
- Trumbull Center53
- Waterford town53
- West Haven53
- Willimantic53
- Woodbridge53
- Woodmont53
- Riverton42
