Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 17:22, Jun 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?
- Groton69
- Bridgeport44
- Trumbull44
- Baltic41
- Branford Center41
- Byram41
- Cheshire Village41
- Chester Center41
- Clinton41
- Colchester41
- Conning Towers-Nautilus Park41
- Cos Cob41
- Coventry Lake41
- Cromwell41
- Danielson41
- Darien Downtown41
- Deep River Center41
- Durham41
- East Brooklyn41
- East Hampton41
- Essex Village41
- Fenwick41
- Gales Ferry41
- Glastonbury Center41
- Glenville41
- Greater Bridgeport41
- Greens Farms41
- Greenwich town41
- Guilford Center41
- Higganum41
- Jewett City41
- Kensington41
- Lake Pocotopaug41
- Lisbon41
- Long Hill, Southeastern Connecticut County41
- Lordship41
- Lower Connecticut River Valley41
- Madison41
- Madison Center41
- Manchester41
- Mansfield Center41
- Mashantucket41
- Mechanicsville41
- Meriden41
- Middletown41
- Milford41
- Moodus41
- Moosup41
- Mystic41
- New London41
- Niantic41
- Noank41
- North Grosvenor Dale41
- North Haven41
- Northeastern Connecticut41
- Northford41
- Norwalk41
- Old Greenwich41
- Old Lyme41
- Old Mystic41
- Old Saybrook Center41
- Orange41
- Oronoque41
- Oxoboxo River41
- Pawcatuck41
- Pemberwick41
- Plainfield Village41
- Pomfret41
- Poquonock Bridge41
- Portland41
- Quasset Lake41
- Quinebaug41
- Quinnipiac University41
- Riverside41
- Rock Ridge41
- Rockville41
- Salem41
- Saugatuck41
- Saybrook Manor41
- South Central Connecticut41
- South Coventry41
- South Windham41
- South Woodstock41
- Southeastern Connecticut41
- Southport41
- Stamford41
- Storrs41
- Stratford41
- Terramuggus41
- Trumbull Center41
- Wallingford41
- Wallingford Center41
- Waterford41
- Wauregan41
- West Haven41
- Westbrook Center41
- Wethersfield41
- Willimantic41
- Woodbridge41
- Woodmont41
- Ansonia40
- Capitol40
- Cheshire40
- Derby40
- Ellington40
- Newington40
- South Windsor40
- Stafford Springs40
- Weston40
- Wilton Center40
- Broad Brook39
- Cannondale39
- Crystal Lake39
- New Britain39
- Plantsville39
- Prospect39
- Seymour39
- Stafford39
- Tashua39
- Blue Hills38
- Lyme38
- Naugatuck38
- Plainville38
- Ridgefield38
- Farmington37
- Hazardville37
- Redding Center37
- Somers37
- Southwood Acres37
- West Mountain37
- Western Connecticut37
- Windsor37
- Sandy Hook36
- Danbury35
- Naugatuck Valley35
- New Haven35
- Sherwood Manor35
- Thompsonville35
- Bristol34
- Guilford34
- Middlebury34
- Suffield Depot34
- Bethel33
- Cornwall33
- Heritage Village33
- Montville33
- Oakville33
- Plymouth33
- Simsbury Center33
- Tariffville33
- Terryville33
- Weatogue33
- Bethlehem Village32
- Bigelow Corners32
- Canterbury32
- Canton Valley32
- Collinsville32
- East Hartford32
- Glastonbury32
- Hartford32
- Litchfield32
- New Hartford Center32
- North Granby32
- Northwest Harwinton32
- Salmon Brook32
- Thomaston32
- Washington32
- Watertown32
- West Simsbury32
- Woodbury Center32
- Coventry31
- Gaylordsville31
- Mansfield31
- New Preston31
- Riverton31
- Torrington31
- Torrington town31
- Winsted31
- Northwest Hills30
- West Hartford30
- Windsor Locks29
- Ashford28
- Deep River28
- Killingworth28
- New Canaan28
- Tolland28
- Fairfield27
- Berlin26
- Branford25
- Lebanon25
- New Milford25
- Shelton25
- Waterbury25
- Woodbury25
- Hamden24
- Oxford24
- Southington24
- Westport24
- Canaan23
- East Haven23
- Newtown23
- Winchester22
- Sherman21
- Enfield20
- Norwich18
- Colebrook17
- Milford town17
- Redding17
- Canton16
- Hebron16
- Waterford town16
- Greenwich13
- Plainfield7
