Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 20:14, Sep 13
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time information
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Which is the most polluted city in Connecticut?
- Bridgeport92
- Stratford47
- Byram39
- Glenville38
- Pemberwick38
- Greenwich town37
- Rock Ridge37
- Cos Cob36
- Old Greenwich36
- Riverside36
- Stamford34
- Darien Downtown33
- New Haven33
- Norwalk32
- Groton31
- West Mountain31
- Danbury30
- Ridgefield30
- Saugatuck30
- Wilton Center30
- Cannondale29
- Greens Farms29
- Madison29
- Weston29
- Westport29
- Cornwall28
- Simsbury28
- Western Connecticut28
- Bigelow Corners27
- Southport27
- Bethel26
- Redding26
- Redding Center26
- Plainfield24
- Greater Bridgeport23
- Pomfret23
- Stafford23
- Gaylordsville22
- Tashua21
- Hartford20
- Lordship20
- Middletown19
- New Milford19
- Trumbull Center19
- East Hartford17
- Greenwich17
- Old Saybrook17
- Oronoque17
- Sandy Hook17
- Milford16
- Milford town16
- Waterbury16
- Bolton15
- Canaan15
- Heritage Village15
- New Preston15
- Washington15
- Derby14
- Woodmont14
- Ansonia13
- Bethlehem Village13
- Litchfield13
- Middlebury13
- Naugatuck13
- Naugatuck Valley13
- Northwest Hills13
- Oakville13
- Orange13
- Seymour13
- Southington13
- Torrington13
- Torrington town13
- Watertown13
- West Haven13
- Winsted13
- Woodbridge13
- Woodbury Center13
- Ashford12
- Baltic12
- Blue Hills12
- Branford Center12
- Bristol12
- Broad Brook12
- Canton Valley12
- Capitol12
- Cheshire12
- Cheshire Village12
- Chester Center12
- Clinton12
- Colchester12
- Collinsville12
- Conning Towers-Nautilus Park12
- Coventry Lake12
- Cromwell12
- Crystal Lake12
- Danielson12
- Deep River Center12
- Durham12
- East Brooklyn12
- East Hampton12
- East Haven12
- Ellington12
- Essex Village12
- Farmington12
- Fenwick12
- Gales Ferry12
- Glastonbury Center12
- Guilford Center12
- Hazardville12
- Higganum12
- Jewett City12
- Kensington12
- Lake Pocotopaug12
- Lisbon12
- Long Hill, Southeastern Connecticut County12
- Lower Connecticut River Valley12
- Madison Center12
- Manchester12
- Mansfield Center12
- Mashantucket12
- Mechanicsville12
- Meriden12
- Moodus12
- Moosup12
- Mystic12
- New Britain12
- New Hartford Center12
- New London12
- Newington12
- Niantic12
- Noank12
- North Granby12
- North Grosvenor Dale12
- North Haven12
- Northeastern Connecticut12
- Northford12
- Northwest Harwinton12
- Norwich12
- Old Lyme12
- Old Mystic12
- Old Saybrook Center12
- Oxoboxo River12
- Pawcatuck12
- Plainfield Village12
- Plainville12
- Plantsville12
- Plymouth12
- Poquonock Bridge12
- Portland12
- Prospect12
- Quasset Lake12
- Quinebaug12
- Quinnipiac University12
- Riverton12
- Rockville12
- Salem12
- Salmon Brook12
- Saybrook Manor12
- Sherwood Manor12
- Simsbury Center12
- Somers12
- South Central Connecticut12
- South Coventry12
- South Windham12
- South Windsor12
- South Woodstock12
- Southeastern Connecticut12
- Southwood Acres12
- Stafford Springs12
- Storrs12
- Suffield Depot12
- Tariffville12
- Terramuggus12
- Terryville12
- Thomaston12
- Thompsonville12
- Wallingford12
- Wallingford Center12
- Waterford town12
- Wauregan12
- Weatogue12
- West Simsbury12
- Westbrook Center12
- Wethersfield12
- Willimantic12
- Windsor Locks12
- Fairfield11
- Hamden11
- Killingly11
- Waterford11
- Mansfield10
- Glastonbury9
- Berlin8
- Killingworth8
- Lyme8
- New Canaan8
- Tolland8
- Branford6
- Canterbury6
- Deep River6
- Lebanon6
- Montville6
- Sherman6
- Trumbull6
- Winchester5
- Coventry4
- Guilford4
- Hebron4
- Newtown4
- Windsor4
- Woodbury4
- West Hartford3
- Canton1
- Enfield1
- Oxford1
- Shelton1
- Colebrook0
