Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 01:35, Jul 25
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Ashford59
- Mansfield55
- New Haven48
- Plainfield46
- East Hartford45
- Groton45
- Stafford44
- Cornwall41
- Pomfret40
- Simsbury39
- Shelton37
- Baltic34
- Blue Hills34
- Branford Center34
- Broad Brook34
- Canton Valley34
- Capitol34
- Cheshire Village34
- Chester Center34
- Clinton34
- Colchester34
- Conning Towers-Nautilus Park34
- Coventry34
- Coventry Lake34
- Cromwell34
- Crystal Lake34
- Deep River Center34
- Durham34
- East Hampton34
- Ellington34
- Essex Village34
- Farmington34
- Fenwick34
- Gales Ferry34
- Glastonbury Center34
- Guilford Center34
- Hartford34
- Hazardville34
- Higganum34
- Kensington34
- Lake Pocotopaug34
- Lisbon34
- Long Hill, Southeastern Connecticut County34
- Lower Connecticut River Valley34
- Madison34
- Madison Center34
- Manchester34
- Mansfield Center34
- Mashantucket34
- Meriden34
- Middletown34
- Moodus34
- Mystic34
- New Britain34
- New London34
- Newington34
- Niantic34
- Noank34
- North Granby34
- North Haven34
- Northford34
- Old Lyme34
- Old Mystic34
- Old Saybrook Center34
- Oxoboxo River34
- Pawcatuck34
- Plainville34
- Plantsville34
- Poquonock Bridge34
- Portland34
- Quinnipiac University34
- Rockville34
- Salem34
- Salmon Brook34
- Saybrook Manor34
- Sherwood Manor34
- Simsbury Center34
- Somers34
- South Central Connecticut34
- South Coventry34
- South Windham34
- South Windsor34
- Southeastern Connecticut34
- Southington34
- Southwood Acres34
- Stafford Springs34
- Storrs34
- Suffield Depot34
- Tariffville34
- Terramuggus34
- Thompsonville34
- Wallingford34
- Wallingford Center34
- Weatogue34
- West Simsbury34
- Westbrook Center34
- Wethersfield34
- Willimantic34
- Windsor34
- Bristol33
- Byram33
- Canaan33
- Collinsville33
- Cos Cob33
- Gaylordsville33
- Glenville33
- Greenwich town33
- Hamden33
- Jewett City33
- Litchfield33
- Naugatuck33
- New Hartford Center33
- New Preston33
- Northwest Harwinton33
- Northwest Hills33
- Oakville33
- Old Greenwich33
- Pemberwick33
- Plymouth33
- Prospect33
- Riverside33
- Riverton33
- Rock Ridge33
- Terryville33
- Thomaston33
- Torrington33
- Torrington town33
- Watertown33
- West Haven33
- Windsor Locks33
- Winsted33
- Woodmont33
- Bethlehem Village32
- Bigelow Corners32
- Darien Downtown32
- Middlebury32
- Montville32
- Naugatuck Valley32
- New Milford32
- Northeastern Connecticut32
- Norwalk32
- Orange32
- Plainfield Village32
- Quasset Lake32
- Quinebaug32
- Seymour32
- South Woodstock32
- Stamford32
- Washington32
- Woodbridge32
- Woodbury Center32
- Ansonia31
- Bethel31
- Cannondale31
- Danielson31
- Derby31
- East Brooklyn31
- Greater Bridgeport31
- Greens Farms31
- Heritage Village31
- Lordship31
- Mechanicsville31
- Milford31
- Moosup31
- North Grosvenor Dale31
- Oronoque31
- Redding Center31
- Ridgefield31
- Sandy Hook31
- Saugatuck31
- Southport31
- Stratford31
- Tashua31
- Trumbull31
- Trumbull Center31
- Wauregan31
- Western Connecticut31
- Weston31
- Wilton Center31
- Winchester30
- Fairfield29
- West Hartford29
- Berlin28
- Danbury28
- Glastonbury28
- Greenwich28
- Killingly28
- Waterbury28
- Killingworth27
- New Canaan27
- Newtown27
- Sherman27
- Canterbury26
- Deep River26
- Tolland26
- Bridgeport24
- Oxford24
- Lebanon22
- Westport22
- Branford21
- East Haven21
- Lyme20
- Enfield19
- Hebron19
- Norwich19
- Waterford17
- Milford town16
- Woodbury13
- Colebrook12
- Guilford11
- Redding9
- Waterford town7
- West Mountain7
- Canton6
- Cheshire3
