Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 12:11, May 29
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Fairfield31
- Canterbury29
- Montville29
- Killingworth28
- East Hartford27
- Groton27
- Trumbull27
- Ansonia26
- Bethel26
- Bigelow Corners26
- Byram26
- Cannondale26
- Cos Cob26
- Darien Downtown26
- Derby26
- Glenville26
- Greater Bridgeport26
- Greens Farms26
- Heritage Village26
- Lyme26
- Mansfield26
- Middlebury26
- Naugatuck26
- Naugatuck Valley26
- New Canaan26
- New Milford26
- Norwalk26
- Oakville26
- Old Greenwich26
- Pemberwick26
- Prospect26
- Redding Center26
- Ridgefield26
- Riverside26
- Rock Ridge26
- Sandy Hook26
- Saugatuck26
- Seymour26
- Southport26
- Stamford26
- Tashua26
- Trumbull Center26
- Watertown26
- West Mountain26
- Western Connecticut26
- Weston26
- Wilton Center26
- Woodbury Center26
- Bethlehem Village25
- Cheshire25
- Cheshire Village25
- Lordship25
- Oronoque25
- Plantsville25
- Plymouth25
- Pomfret25
- Woodbridge25
- Ashford24
- Berlin24
- Blue Hills24
- Bristol24
- Broad Brook24
- Canton Valley24
- Capitol24
- Collinsville24
- Coventry24
- Cromwell24
- Durham24
- Farmington24
- Glastonbury Center24
- Hartford24
- Kensington24
- Lake Pocotopaug24
- Litchfield24
- Manchester24
- Meriden24
- Milford24
- New Britain24
- New Preston24
- Newington24
- North Haven24
- Northford24
- Northwest Harwinton24
- Orange24
- Plainville24
- Portland24
- Quinnipiac University24
- Rockville24
- Shelton24
- South Windsor24
- Southington24
- Terramuggus24
- Terryville24
- Thomaston24
- Wallingford24
- Wallingford Center24
- Washington24
- Weatogue24
- West Haven24
- Wethersfield24
- Windsor24
- Woodmont24
- Branford Center23
- Bridgeport23
- Canton23
- Coventry Lake23
- Crystal Lake23
- East Hampton23
- Ellington23
- Gaylordsville23
- Glastonbury23
- Hazardville23
- Higganum23
- Mansfield Center23
- Mechanicsville23
- New Hartford Center23
- North Grosvenor Dale23
- Quasset Lake23
- Quinebaug23
- Salmon Brook23
- Sherwood Manor23
- Simsbury Center23
- Somers23
- South Central Connecticut23
- South Coventry23
- South Woodstock23
- Southwood Acres23
- Stafford Springs23
- Storrs23
- Suffield Depot23
- Tariffville23
- Thompsonville23
- Torrington23
- Torrington town23
- West Simsbury23
- Willimantic23
- Colchester22
- East Brooklyn22
- Guilford Center22
- Lower Connecticut River Valley22
- Moodus22
- North Granby22
- Northeastern Connecticut22
- Northwest Hills22
- Riverton22
- South Windham22
- Stafford22
- Winchester22
- Winsted22
- Chester Center21
- Danielson21
- Madison Center21
- Sherman21
- Stratford21
- Tolland21
- Wauregan21
- Baltic20
- Cornwall20
- Deep River20
- Deep River Center20
- Enfield20
- Lisbon20
- Moosup20
- New Haven20
- Plainfield Village20
- Salem20
- Branford19
- Clinton19
- Essex Village19
- Jewett City19
- Norwich19
- Waterbury19
- Fenwick18
- Middletown18
- Old Lyme18
- Old Saybrook Center18
- Oxoboxo River18
- Plainfield18
- Saybrook Manor18
- Southeastern Connecticut18
- Westbrook Center18
- Canaan17
- Conning Towers-Nautilus Park17
- Danbury17
- Gales Ferry17
- Long Hill, Southeastern Connecticut County17
- Mashantucket17
- Mystic17
- New London17
- Niantic17
- Noank17
- Old Mystic17
- Pawcatuck17
- Poquonock Bridge17
- Waterford17
- Waterford town17
- Guilford16
- Madison16
- Oxford16
- Colebrook15
- East Haven14
- Greenwich town14
- Hamden14
- Newtown14
- Woodbury14
- Hebron13
- West Hartford13
- Greenwich12
- Milford town12
- Westport12
- Lebanon10
- Redding1
