Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 11:01, Oct 21
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Wildfires in Connecticut
Real-time information
Active fires
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Which is the most polluted city in Connecticut?
- Shelton64
- Plainfield37
- Cornwall32
- Killingly23
- Pomfret22
- East Hartford21
- Fairfield21
- Old Saybrook21
- New Haven19
- Berlin17
- East Haven17
- Southington17
- Branford16
- Hartford16
- Byram14
- Cos Cob14
- Glenville14
- Greenwich town14
- Old Greenwich14
- Pemberwick14
- Riverside14
- Rock Ridge14
- Bolton13
- Bridgeport13
- Groton13
- Montville13
- Stamford13
- Trumbull13
- Waterford13
- Ansonia12
- Ashford12
- Baltic12
- Bethel12
- Bethlehem Village12
- Bigelow Corners12
- Blue Hills12
- Branford Center12
- Bristol12
- Broad Brook12
- Canaan12
- Cannondale12
- Canton12
- Canton Valley12
- Capitol12
- Cheshire12
- Cheshire Village12
- Chester Center12
- Clinton12
- Colchester12
- Collinsville12
- Coventry Lake12
- Cromwell12
- Crystal Lake12
- Danielson12
- Darien Downtown12
- Deep River12
- Deep River Center12
- Derby12
- Durham12
- East Brooklyn12
- East Hampton12
- Ellington12
- Farmington12
- Fenwick12
- Gaylordsville12
- Glastonbury12
- Glastonbury Center12
- Greater Bridgeport12
- Greens Farms12
- Guilford Center12
- Hazardville12
- Heritage Village12
- Higganum12
- Jewett City12
- Kensington12
- Lake Pocotopaug12
- Lisbon12
- Litchfield12
- Lordship12
- Lower Connecticut River Valley12
- Madison12
- Madison Center12
- Manchester12
- Mansfield12
- Mansfield Center12
- Mechanicsville12
- Meriden12
- Middlebury12
- Middletown12
- Milford12
- Milford town12
- Moodus12
- Moosup12
- Naugatuck12
- Naugatuck Valley12
- New Britain12
- New Hartford Center12
- New Milford12
- New Preston12
- Newington12
- North Granby12
- North Grosvenor Dale12
- North Haven12
- Northeastern Connecticut12
- Northford12
- Northwest Harwinton12
- Northwest Hills12
- Norwalk12
- Norwich12
- Oakville12
- Old Lyme12
- Old Saybrook Center12
- Orange12
- Oronoque12
- Oxoboxo River12
- Plainfield Village12
- Plainville12
- Plantsville12
- Plymouth12
- Portland12
- Prospect12
- Quasset Lake12
- Quinebaug12
- Quinnipiac University12
- Redding12
- Redding Center12
- Ridgefield12
- Riverton12
- Rockville12
- Salem12
- Salmon Brook12
- Sandy Hook12
- Saugatuck12
- Saybrook Manor12
- Seymour12
- Sherwood Manor12
- Simsbury Center12
- Somers12
- South Central Connecticut12
- South Coventry12
- South Windham12
- South Windsor12
- South Woodstock12
- Southeastern Connecticut12
- Southport12
- Southwood Acres12
- Stafford12
- Stafford Springs12
- Storrs12
- Stratford12
- Suffield Depot12
- Tariffville12
- Tashua12
- Terramuggus12
- Terryville12
- Thomaston12
- Thompsonville12
- Torrington12
- Torrington town12
- Trumbull Center12
- Wallingford12
- Wallingford Center12
- Waterbury12
- Watertown12
- Wauregan12
- Weatogue12
- West Haven12
- West Mountain12
- West Simsbury12
- Westbrook Center12
- Western Connecticut12
- Weston12
- Westport12
- Wethersfield12
- Willimantic12
- Wilton Center12
- Winchester12
- Windsor Locks12
- Winsted12
- Woodbridge12
- Woodbury Center12
- Woodmont12
- Conning Towers-Nautilus Park11
- Gales Ferry11
- Hamden11
- Killingworth11
- New London11
- Niantic11
- Sherman11
- Waterford town11
- West Hartford11
- Enfield10
- Long Hill, Southeastern Connecticut County10
- Mashantucket10
- New Canaan10
- Oxford10
- Canterbury9
- Danbury9
- Hebron9
- Lyme9
- Mystic9
- Noank9
- Old Mystic9
- Pawcatuck9
- Poquonock Bridge9
- Washington9
- Windsor9
- Woodbury9
- Lebanon8
- Tolland8
- Coventry7
- Greenwich7
- Simsbury6
- Guilford4
- Colebrook3
- Essex Village0
- Newtown0
