Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 09:57, Oct 29
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?
- Shelton63
- Danbury55
- Hartford55
- Plainfield53
- Windsor52
- Canterbury46
- Mansfield42
- East Hartford41
- Canaan40
- Canton Valley40
- Collinsville40
- Gaylordsville40
- Hazardville40
- Litchfield40
- New Hartford Center40
- New Milford40
- New Preston40
- North Granby40
- Northwest Harwinton40
- Northwest Hills40
- Riverton40
- Salmon Brook40
- Sherwood Manor40
- Simsbury Center40
- Suffield Depot40
- Tariffville40
- Thompsonville40
- Torrington40
- Torrington town40
- Weatogue40
- West Simsbury40
- Windsor Locks40
- Winsted40
- Ashford39
- Bethel39
- Bethlehem Village39
- Bigelow Corners39
- Blue Hills39
- Bristol39
- Broad Brook39
- Capitol39
- Coventry Lake39
- Crystal Lake39
- Ellington39
- Farmington39
- Heritage Village39
- Manchester39
- Mechanicsville39
- Middlebury39
- Naugatuck39
- Naugatuck Valley39
- New Britain39
- Newington39
- North Grosvenor Dale39
- Oakville39
- Plainville39
- Plantsville39
- Plymouth39
- Quasset Lake39
- Quinebaug39
- Rockville39
- Somers39
- South Windsor39
- South Woodstock39
- Southwood Acres39
- Stafford39
- Stafford Springs39
- Storrs39
- Terryville39
- Thomaston39
- Watertown39
- Wethersfield39
- Woodbury Center39
- Ansonia38
- Byram38
- Cannondale38
- Cheshire Village38
- Cos Cob38
- Cromwell38
- Danielson38
- Derby38
- East Brooklyn38
- East Hampton38
- Glastonbury Center38
- Glenville38
- Greenwich town38
- Hamden38
- Kensington38
- Lake Pocotopaug38
- Mansfield Center38
- Meriden38
- Moosup38
- North Haven38
- Northeastern Connecticut38
- Northford38
- Orange38
- Oronoque38
- Pemberwick38
- Portland38
- Prospect38
- Quinnipiac University38
- Redding38
- Redding Center38
- Ridgefield38
- Riverside38
- Rock Ridge38
- Sandy Hook38
- Saugatuck38
- Seymour38
- South Coventry38
- South Windham38
- Stamford38
- Tashua38
- Terramuggus38
- Trumbull38
- Trumbull Center38
- Wallingford38
- Wallingford Center38
- Wauregan38
- West Mountain38
- Western Connecticut38
- Weston38
- Willimantic38
- Wilton Center38
- Woodbridge38
- Colchester37
- Darien Downtown37
- Durham37
- Greater Bridgeport37
- Greens Farms37
- Higganum37
- Lordship37
- Milford37
- Norwalk37
- Old Greenwich37
- Plainfield Village37
- South Central Connecticut37
- Southport37
- Stratford37
- West Haven37
- Westport37
- Woodmont37
- Baltic36
- Branford Center36
- Fairfield36
- Moodus36
- New Haven36
- Lisbon35
- Jewett City34
- Lower Connecticut River Valley34
- Madison34
- Norwich34
- Waterbury34
- Chester Center33
- Guilford Center33
- Salem33
- West Hartford33
- Winchester33
- Deep River Center32
- Enfield32
- Madison Center32
- Southeastern Connecticut32
- Clinton31
- Coventry31
- Essex Village31
- Gales Ferry31
- Mashantucket31
- Old Saybrook31
- Oxoboxo River31
- Pomfret31
- Simsbury31
- Westbrook Center30
- Bridgeport29
- Conning Towers-Nautilus Park29
- Fenwick29
- Long Hill, Southeastern Connecticut County29
- Mystic29
- New London29
- Niantic29
- Old Lyme29
- Old Mystic29
- Old Saybrook Center29
- Saybrook Manor29
- Waterford town29
- Cornwall28
- Killingly28
- Noank28
- Pawcatuck28
- Poquonock Bridge28
- East Haven27
- Deep River26
- Waterford25
- Oxford22
- Greenwich18
- Montville18
- Berlin17
- Milford town16
- Woodbury16
- Groton14
- New Canaan14
- Tolland14
- Hebron12
- Middletown12
- Sherman11
- Colebrook10
- Killingworth10
- Lebanon8
- Branford7
- Glastonbury7
- Bolton6
- Guilford4
- Lyme4
- Washington4
- Cheshire2
- Newtown1
- Canton0
