Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 12:54, 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?
- Shelton36
- Fairfield34
- Montville31
- Trumbull31
- New Milford30
- Pomfret30
- East Hartford29
- Groton29
- Killingworth29
- Stafford29
- Danbury28
- Waterbury28
- Canterbury27
- Cornwall27
- Glastonbury27
- Hartford27
- Lyme27
- Madison27
- Mansfield27
- Middletown27
- Stratford27
- Ansonia26
- Bethel26
- Bigelow Corners26
- Byram26
- Cannondale26
- Cos Cob26
- Darien Downtown26
- Derby26
- Glenville26
- Greater Bridgeport26
- Greens Farms26
- Heritage Village26
- Middlebury26
- Naugatuck26
- Naugatuck Valley26
- New Canaan26
- New Haven26
- Norwalk26
- Oakville26
- Old Greenwich26
- Pemberwick26
- Prospect26
- Redding Center26
- Ridgefield26
- Riverside26
- Rock Ridge26
- Sandy Hook26
- Saugatuck26
- Seymour26
- Sherman26
- Southport26
- Stamford26
- Tashua26
- Trumbull Center26
- Watertown26
- West Mountain26
- Western Connecticut26
- Weston26
- Wilton Center26
- Woodbury Center26
- Bethlehem Village25
- Cheshire25
- Cheshire Village25
- Lordship25
- Oronoque25
- Plantsville25
- Plymouth25
- Woodbridge25
- Ashford24
- Berlin24
- Blue Hills24
- Bridgeport24
- Bristol24
- Broad Brook24
- Canton Valley24
- Capitol24
- Collinsville24
- Coventry24
- Cromwell24
- Deep River24
- Durham24
- Farmington24
- Glastonbury Center24
- Kensington24
- Lake Pocotopaug24
- Litchfield24
- Manchester24
- Meriden24
- Milford24
- New Britain24
- New Preston24
- Newington24
- North Haven24
- Northford24
- Northwest Harwinton24
- Orange24
- Plainville24
- Portland24
- Quinnipiac University24
- Rockville24
- South Windsor24
- Southington24
- Terramuggus24
- Terryville24
- Thomaston24
- Wallingford24
- Wallingford Center24
- Washington24
- Weatogue24
- West Haven24
- Wethersfield24
- Winchester24
- Windsor24
- Woodmont24
- Branford Center23
- Canton23
- Coventry Lake23
- Crystal Lake23
- East Hampton23
- Ellington23
- Gaylordsville23
- 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
- Woodbury23
- Colchester22
- East Brooklyn22
- Guilford Center22
- Lower Connecticut River Valley22
- Moodus22
- North Granby22
- Northeastern Connecticut22
- Northwest Hills22
- Plainfield22
- Riverton22
- South Windham22
- Tolland22
- Winsted22
- Chester Center21
- Danielson21
- Madison Center21
- Oxford21
- Wauregan21
- Baltic20
- Deep River Center20
- Enfield20
- Greenwich town20
- Lisbon20
- Moosup20
- Plainfield Village20
- Salem20
- Clinton19
- Essex Village19
- Jewett City19
- Newtown19
- Fenwick18
- Old Lyme18
- Old Saybrook Center18
- Oxoboxo River18
- Redding18
- Saybrook Manor18
- Southeastern Connecticut18
- Westbrook Center18
- Westport18
- Branford17
- Canaan17
- Colebrook17
- Conning Towers-Nautilus Park17
- East Haven17
- Gales Ferry17
- Greenwich17
- Hebron17
- Long Hill, Southeastern Connecticut County17
- Mashantucket17
- Mystic17
- New London17
- Niantic17
- Noank17
- Old Mystic17
- Pawcatuck17
- Poquonock Bridge17
- Waterford17
- Waterford town17
- Hamden16
- Milford town16
- Norwich16
- West Hartford16
- Guilford14
- Lebanon10
