Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 09:13, Oct 08
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?
- Shelton76
- New Haven40
- East Hartford33
- Cornwall30
- Killingly27
- Simsbury27
- Hartford25
- Danbury23
- Old Saybrook23
- Canterbury21
- Waterbury21
- Fairfield18
- East Haven17
- Hamden17
- Plainfield17
- Waterford17
- Greenwich16
- Byram15
- Pemberwick15
- Winchester15
- Glenville14
- Greenwich town14
- Groton14
- Rock Ridge14
- Sherman14
- Windsor14
- Berlin13
- Bethel13
- Bigelow Corners13
- Cannondale13
- Cos Cob13
- Darien Downtown13
- Gaylordsville13
- Greens Farms13
- Mansfield13
- New Milford13
- Norwalk13
- Old Greenwich13
- Redding13
- Redding Center13
- Ridgefield13
- Riverside13
- Saugatuck13
- Southington13
- Stamford13
- Western Connecticut13
- Weston13
- Westport13
- Wilton Center13
- Heritage Village12
- New Preston12
- Sandy Hook12
- Southport12
- Tashua12
- Ansonia11
- Bethlehem Village11
- Blue Hills11
- Bolton11
- Bristol11
- Broad Brook11
- Canaan11
- Canton11
- Canton Valley11
- Capitol11
- Cheshire11
- Cheshire Village11
- Collinsville11
- Cromwell11
- Crystal Lake11
- Derby11
- Ellington11
- Farmington11
- Glastonbury Center11
- Greater Bridgeport11
- Hazardville11
- Kensington11
- Litchfield11
- Lordship11
- Manchester11
- Meriden11
- Middlebury11
- Milford11
- Montville11
- Naugatuck11
- Naugatuck Valley11
- New Britain11
- New Hartford Center11
- Newington11
- North Granby11
- Northwest Harwinton11
- Northwest Hills11
- Oakville11
- Orange11
- Oronoque11
- Plainville11
- Plantsville11
- Plymouth11
- Prospect11
- Quinnipiac University11
- Riverton11
- Rockville11
- Salmon Brook11
- Seymour11
- Sherwood Manor11
- Simsbury Center11
- Somers11
- South Windsor11
- Southwood Acres11
- Stafford11
- Stafford Springs11
- Stratford11
- Suffield Depot11
- Tariffville11
- Terryville11
- Thomaston11
- Thompsonville11
- Torrington11
- Torrington town11
- Trumbull Center11
- Wallingford11
- Wallingford Center11
- Watertown11
- Weatogue11
- West Hartford11
- West Simsbury11
- Wethersfield11
- Windsor Locks11
- Winsted11
- Woodbridge11
- Woodbury Center11
- Ashford10
- Branford10
- Coventry Lake10
- Durham10
- East Hampton10
- Glastonbury10
- Higganum10
- Lake Pocotopaug10
- Newtown10
- North Haven10
- Northford10
- Portland10
- South Central Connecticut10
- South Coventry10
- Storrs10
- Terramuggus10
- West Haven10
- Woodmont10
- Branford Center9
- Chester Center9
- Colchester9
- Deep River Center9
- Guilford Center9
- Hebron9
- Lower Connecticut River Valley9
- Madison9
- Madison Center9
- Mansfield Center9
- Mechanicsville9
- Moodus9
- North Grosvenor Dale9
- Northeastern Connecticut9
- Pomfret9
- Quasset Lake9
- Quinebaug9
- South Windham9
- South Woodstock9
- Willimantic9
- Baltic8
- Clinton8
- Coventry8
- Danielson8
- Deep River8
- East Brooklyn8
- Essex Village8
- Fenwick8
- Lisbon8
- Moosup8
- New Canaan8
- Norwich8
- Old Lyme8
- Old Saybrook Center8
- Plainfield Village8
- Salem8
- Saybrook Manor8
- Wauregan8
- Westbrook Center8
- Gales Ferry7
- Jewett City7
- Killingworth7
- Niantic7
- Oxoboxo River7
- Southeastern Connecticut7
- Tolland7
- Trumbull7
- Waterford town7
- Bridgeport6
- Conning Towers-Nautilus Park6
- Enfield6
- Long Hill, Southeastern Connecticut County6
- Mashantucket6
- Milford town6
- Mystic6
- New London6
- Noank6
- Old Mystic6
- Pawcatuck6
- Poquonock Bridge6
- Woodbury6
- Colebrook5
- Lebanon4
- Lyme4
- Oxford4
- Middletown3
- Guilford2
- Washington1
- West Mountain0
