Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 15:04, Sep 09
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?
- Ashford52
- Baltic52
- Bethlehem Village52
- Bigelow Corners52
- Blue Hills52
- Bristol52
- Broad Brook52
- Canaan52
- Canton52
- Canton Valley52
- Capitol52
- Colchester52
- Collinsville52
- Conning Towers-Nautilus Park52
- Coventry Lake52
- Cromwell52
- Crystal Lake52
- Danielson52
- East Brooklyn52
- East Hampton52
- Ellington52
- Farmington52
- Gales Ferry52
- Gaylordsville52
- Glastonbury Center52
- Hazardville52
- Hebron52
- Jewett City52
- Kensington52
- Lake Pocotopaug52
- Lisbon52
- Litchfield52
- Long Hill, Southeastern Connecticut County52
- Manchester52
- Mansfield Center52
- Mashantucket52
- Mechanicsville52
- Middletown52
- Moodus52
- Moosup52
- Mystic52
- New Britain52
- New Hartford Center52
- New London52
- New Milford52
- New Preston52
- Newington52
- Niantic52
- Noank52
- North Granby52
- North Grosvenor Dale52
- Northeastern Connecticut52
- Northwest Harwinton52
- Northwest Hills52
- Norwich52
- Oakville52
- Old Mystic52
- Oxoboxo River52
- Pawcatuck52
- Plainfield52
- Plainfield Village52
- Plainville52
- Plantsville52
- Plymouth52
- Pomfret52
- Poquonock Bridge52
- Portland52
- Quasset Lake52
- Quinebaug52
- Riverton52
- Rockville52
- Salem52
- Salmon Brook52
- Sherwood Manor52
- Simsbury Center52
- Somers52
- South Coventry52
- South Windham52
- South Windsor52
- South Woodstock52
- Southeastern Connecticut52
- Southington52
- Southwood Acres52
- Stafford52
- Stafford Springs52
- Storrs52
- Suffield Depot52
- Tariffville52
- Terramuggus52
- Terryville52
- Thomaston52
- Thompsonville52
- Torrington52
- Torrington town52
- Washington52
- Watertown52
- Wauregan52
- Weatogue52
- West Simsbury52
- Wethersfield52
- Willimantic52
- Windsor52
- Windsor Locks52
- Winsted52
- Bethel51
- Cheshire Village51
- Chester Center51
- Coventry51
- Deep River Center51
- Durham51
- Fenwick51
- Heritage Village51
- Higganum51
- Lebanon51
- Lower Connecticut River Valley51
- Meriden51
- Middlebury51
- Naugatuck51
- Naugatuck Valley51
- Old Lyme51
- Old Saybrook Center51
- Prospect51
- Quinnipiac University51
- Sandy Hook51
- Wallingford51
- Wallingford Center51
- Woodbury Center51
- Greenwich50
- Northford50
- Saybrook Manor50
- Seymour50
- Westbrook Center50
- Ansonia49
- Clinton49
- Derby49
- Madison49
- Madison Center49
- North Haven49
- Redding49
- Redding Center49
- Ridgefield49
- Western Connecticut49
- Woodbridge49
- Branford Center48
- Byram48
- Cannondale48
- Cos Cob48
- Darien Downtown48
- Glenville48
- Greater Bridgeport48
- Greens Farms48
- Greenwich town48
- Guilford Center48
- Milford48
- Norwalk48
- Old Greenwich48
- Orange48
- Oronoque48
- Pemberwick48
- Riverside48
- Rock Ridge48
- Saugatuck48
- South Central Connecticut48
- Southport48
- Stamford48
- Stratford48
- Tashua48
- Trumbull Center48
- West Haven48
- Weston48
- Westport48
- Wilton Center48
- Woodmont48
- Lordship47
- Hamden44
- Hartford42
- Mansfield40
- Canterbury39
- Trumbull39
- Groton37
- New Canaan37
- Waterbury37
- Berlin36
- Fairfield36
- Bolton35
- Danbury33
- East Hartford33
- Killingly33
- Sherman32
- Bridgeport31
- Montville31
- Waterford31
- Winchester30
- Cornwall29
- East Haven29
- Lyme29
- West Hartford29
- Woodbury29
- Enfield28
- Glastonbury28
- Killingworth28
- Old Saybrook28
- Simsbury28
- Deep River27
- New Haven27
- Oxford25
- Tolland24
- Branford23
- West Mountain21
- Guilford19
- Essex Village18
- Milford town17
- Shelton17
- Newtown16
- Colebrook6
- Cheshire2
- Waterford town1
