Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 06:36, Jun 09
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
Learn more about global air quality
Which is the most polluted city in Connecticut?
- Bethel36
- Bigelow Corners36
- Cornwall36
- Ridgefield36
- West Mountain36
- Western Connecticut36
- Gaylordsville35
- Glenville35
- Greenwich town35
- Pemberwick35
- Redding Center35
- Rock Ridge35
- Bethlehem Village34
- Byram34
- Cannondale34
- Cos Cob34
- Darien Downtown34
- Heritage Village34
- Litchfield34
- Middlebury34
- Naugatuck Valley34
- New Canaan34
- New Preston34
- Northwest Hills34
- Norwalk34
- Oakville34
- Old Greenwich34
- Riverside34
- Sandy Hook34
- Saugatuck34
- Stamford34
- Tashua34
- Thomaston34
- Washington34
- Watertown34
- Weston34
- Wilton Center34
- Woodbury Center34
- Ansonia33
- Blue Hills33
- Bristol33
- Broad Brook33
- Canaan33
- Canton Valley33
- Capitol33
- Cheshire33
- Cheshire Village33
- Collinsville33
- Cromwell33
- Derby33
- Ellington33
- Farmington33
- Glastonbury Center33
- Greater Bridgeport33
- Greens Farms33
- Hazardville33
- Kensington33
- Lordship33
- Meriden33
- Milford33
- Naugatuck33
- New Britain33
- New Hartford Center33
- Newington33
- North Granby33
- North Haven33
- Northwest Harwinton33
- Orange33
- Oronoque33
- Plainville33
- Plantsville33
- Plymouth33
- Prospect33
- Quinnipiac University33
- Riverton33
- Salmon Brook33
- Seymour33
- Sherwood Manor33
- Simsbury Center33
- Somers33
- South Windsor33
- Southport33
- Southwood Acres33
- Stratford33
- Suffield Depot33
- Tariffville33
- Terryville33
- Thompsonville33
- Torrington33
- Torrington town33
- Trumbull Center33
- Wallingford33
- Wallingford Center33
- Weatogue33
- West Haven33
- West Simsbury33
- Wethersfield33
- Windsor33
- Winsted33
- Woodbridge33
- Woodmont33
- Crystal Lake32
- Manchester32
- Middletown32
- Northford32
- Portland32
- Rockville32
- South Central Connecticut32
- Waterbury32
- Branford Center31
- Stafford31
- Durham30
- Lake Pocotopaug30
- Stafford Springs30
- Coventry Lake29
- East Hampton29
- Higganum29
- Terramuggus29
- Baltic28
- Chester Center28
- Clinton28
- Colchester28
- Danielson28
- Deep River Center28
- East Brooklyn28
- Essex Village28
- Fairfield28
- Guilford Center28
- Hebron28
- Jewett City28
- Lisbon28
- Lower Connecticut River Valley28
- Madison28
- Madison Center28
- Mansfield Center28
- Mechanicsville28
- Moodus28
- Moosup28
- North Grosvenor Dale28
- Northeastern Connecticut28
- Plainfield Village28
- Pomfret28
- Quasset Lake28
- Quinebaug28
- Salem28
- Saybrook Manor28
- South Coventry28
- South Windham28
- South Woodstock28
- Storrs28
- Wauregan28
- Westbrook Center28
- Willimantic28
- Conning Towers-Nautilus Park27
- Fenwick27
- Gales Ferry27
- Long Hill, Southeastern Connecticut County27
- Mashantucket27
- Mystic27
- New London27
- Niantic27
- Noank27
- Old Lyme27
- Old Mystic27
- Old Saybrook Center27
- Oxoboxo River27
- Pawcatuck27
- Poquonock Bridge27
- Southeastern Connecticut27
- Waterford27
- Waterford town27
- Groton26
- Ashford24
- Hartford24
- Winchester23
- East Hartford22
- Southington22
- Tolland22
- Glastonbury21
- Hamden21
- Lyme21
- Trumbull21
- Windsor Locks21
- Sherman20
- West Hartford20
- Berlin19
- Bridgeport18
- New Haven17
- Newtown17
- Coventry16
- East Haven16
- Montville16
- New Milford15
- Mansfield13
- Enfield12
- Oxford12
- Branford11
- Canton11
- Colebrook11
- Greenwich11
- Plainfield11
- Canterbury10
- Shelton10
- Westport10
- Danbury9
- Killingworth9
- Lebanon9
- Woodbury9
- Deep River8
- Milford town5
- Norwich3
- Guilford2
- Redding0
