Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 05:58, Jul 20
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Norwich65
- Byram64
- Cos Cob64
- Glenville64
- Greenwich town64
- Old Greenwich64
- Pemberwick64
- Riverside64
- Rock Ridge64
- Darien Downtown63
- Norwalk63
- Ridgefield63
- Stamford63
- Bethel62
- Bigelow Corners62
- Cannondale62
- Greater Bridgeport62
- Greens Farms62
- Redding62
- Redding Center62
- Saugatuck62
- Southport62
- Tashua62
- Western Connecticut62
- Weston62
- Wilton Center62
- Ansonia61
- Bethlehem Village61
- Branford Center61
- Cheshire Village61
- Chester Center61
- Clinton61
- Cromwell61
- Deep River Center61
- Derby61
- Durham61
- Gaylordsville61
- Guilford Center61
- Heritage Village61
- Higganum61
- Kensington61
- Lordship61
- Lower Connecticut River Valley61
- Madison61
- Madison Center61
- Meriden61
- Middlebury61
- Middletown61
- Milford61
- Naugatuck61
- Naugatuck Valley61
- New Milford61
- North Haven61
- Northford61
- Oakville61
- Orange61
- Oronoque61
- Plainville61
- Plantsville61
- Plymouth61
- Portland61
- Prospect61
- Quinnipiac University61
- Sandy Hook61
- Saybrook Manor61
- Seymour61
- South Central Connecticut61
- Southington61
- Stratford61
- Thomaston61
- Trumbull Center61
- Wallingford61
- Wallingford Center61
- Washington61
- Watertown61
- West Haven61
- Westbrook Center61
- Woodbridge61
- Woodbury Center61
- Woodmont61
- Baltic60
- Blue Hills60
- Bristol60
- Canton Valley60
- Capitol60
- Colchester60
- Collinsville60
- Conning Towers-Nautilus Park60
- Coventry Lake60
- East Hampton60
- Essex Village60
- Farmington60
- Fenwick60
- Gales Ferry60
- Glastonbury Center60
- Hebron60
- Jewett City60
- Lake Pocotopaug60
- Lisbon60
- Litchfield60
- Long Hill, Southeastern Connecticut County60
- Manchester60
- Mansfield Center60
- Mashantucket60
- Moodus60
- Mystic60
- New Britain60
- New London60
- New Preston60
- Newington60
- Niantic60
- Noank60
- Northwest Harwinton60
- Old Lyme60
- Old Mystic60
- Old Saybrook Center60
- Oxoboxo River60
- Pawcatuck60
- Plainfield Village60
- Poquonock Bridge60
- Rockville60
- Salem60
- South Coventry60
- South Windham60
- South Windsor60
- Southeastern Connecticut60
- Storrs60
- Terramuggus60
- Terryville60
- Trumbull60
- Waterford town60
- Weatogue60
- Wethersfield60
- Willimantic60
- Broad Brook59
- Crystal Lake59
- Danielson59
- East Brooklyn59
- East Haven59
- Ellington59
- Fairfield59
- Hazardville59
- Mechanicsville59
- Moosup59
- New Hartford Center59
- Northeastern Connecticut59
- Northwest Hills59
- Pomfret59
- Quasset Lake59
- Salmon Brook59
- Simsbury Center59
- Somers59
- South Woodstock59
- Southwood Acres59
- Stafford59
- Stafford Springs59
- Suffield Depot59
- Tariffville59
- Thompsonville59
- Torrington59
- Torrington town59
- Wauregan59
- West Mountain59
- West Simsbury59
- Windsor59
- Winsted59
- Hamden58
- New Canaan58
- North Granby58
- North Grosvenor Dale58
- Quinebaug58
- Riverton58
- Sherwood Manor58
- Bridgeport56
- Canaan56
- Mansfield56
- Coventry55
- Greenwich55
- Groton55
- Lyme55
- Milford town55
- Shelton55
- Deep River54
- Killingworth54
- Montville54
- Danbury53
- Hartford53
- Newtown53
- Waterford53
- Woodbury53
- Berlin52
- New Haven52
- Oxford52
- Plainfield52
- Sherman52
- Waterbury52
- Westport52
- Branford51
- East Hartford51
- Glastonbury51
- Canterbury49
- Windsor Locks49
- Cornwall48
- Lebanon46
- West Hartford46
- Cheshire45
- Tolland42
- Guilford41
- Winchester41
- Ashford40
- Simsbury39
- Enfield27
- Canton25
- Colebrook24
