Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 00:33, Oct 11
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?
- Shelton55
- Newtown42
- Hartford41
- Byram39
- Pemberwick39
- Glenville38
- Greenwich town38
- Old Greenwich38
- Rock Ridge38
- Cannondale37
- Cos Cob37
- Darien Downtown37
- Greens Farms37
- Norwalk37
- Redding37
- Redding Center37
- Ridgefield37
- Riverside37
- Saugatuck37
- Southport37
- Stamford37
- Western Connecticut37
- Weston37
- Westport37
- Wilton Center37
- Bethel36
- Greater Bridgeport36
- Lordship36
- Tashua36
- Trumbull Center36
- Stratford35
- Ansonia34
- Bigelow Corners34
- Bristol34
- Cheshire34
- Cheshire Village34
- Danbury34
- Derby34
- Heritage Village34
- Middlebury34
- Milford34
- Naugatuck34
- Naugatuck Valley34
- Oakville34
- Orange34
- Oronoque34
- Plantsville34
- Prospect34
- Sandy Hook34
- Seymour34
- Watertown34
- West Haven34
- Woodbridge34
- Woodbury Center34
- Woodmont34
- Bethlehem Village33
- Blue Hills33
- Capitol33
- Farmington33
- Glastonbury Center33
- Kensington33
- Meriden33
- New Britain33
- Newington33
- North Haven33
- Plainville33
- Plymouth33
- Quinnipiac University33
- South Windsor33
- Terryville33
- Thomaston33
- Wallingford33
- Wallingford Center33
- Waterbury33
- Weatogue33
- Wethersfield33
- Ashford32
- Branford Center32
- Broad Brook32
- Canton32
- Canton Valley32
- Collinsville32
- Coventry Lake32
- Cromwell32
- Crystal Lake32
- Ellington32
- Gaylordsville32
- Hazardville32
- Litchfield32
- Manchester32
- Mechanicsville32
- New Hartford Center32
- New Milford32
- North Grosvenor Dale32
- Northford32
- Northwest Harwinton32
- Pomfret32
- Portland32
- Quasset Lake32
- Quinebaug32
- Rockville32
- Salmon Brook32
- Sherwood Manor32
- Simsbury Center32
- Somers32
- South Central Connecticut32
- South Woodstock32
- Southwood Acres32
- Stafford32
- Stafford Springs32
- Suffield Depot32
- Tariffville32
- Thompsonville32
- West Simsbury32
- Windsor Locks32
- Danielson31
- Durham31
- East Brooklyn31
- Guilford Center31
- Lake Pocotopaug31
- Mansfield Center31
- New Preston31
- North Granby31
- Northeastern Connecticut31
- South Coventry31
- Storrs31
- Terramuggus31
- Torrington31
- Torrington town31
- Wauregan31
- Colchester30
- East Hampton30
- Higganum30
- Madison30
- Moosup30
- South Windham30
- Willimantic30
- Winsted30
- Lower Connecticut River Valley29
- Madison Center29
- Moodus29
- Northwest Hills29
- Plainfield Village29
- Riverton29
- Baltic28
- Chester Center28
- Clinton28
- Cornwall28
- Deep River Center28
- Jewett City28
- Lisbon28
- East Hartford27
- Norwich27
- Salem27
- Saybrook Manor26
- Southeastern Connecticut26
- Westbrook Center26
- Fenwick25
- Old Saybrook Center25
- Mashantucket24
- Old Lyme24
- Oxoboxo River24
- Plainfield24
- Southington24
- Canaan23
- East Haven23
- Gales Ferry23
- Windsor23
- Conning Towers-Nautilus Park22
- Long Hill, Southeastern Connecticut County22
- Mystic22
- New London22
- Niantic22
- Noank22
- Old Mystic22
- Pawcatuck22
- Poquonock Bridge22
- Trumbull22
- Waterford town22
- Canterbury21
- Lebanon21
- Old Saybrook21
- Simsbury21
- Groton20
- Coventry19
- Middletown19
- Montville18
- Sherman18
- Glastonbury17
- Hamden17
- Mansfield17
- West Hartford17
- Bolton16
- New Haven16
- Berlin15
- Bridgeport15
- Enfield14
- Fairfield14
- Deep River13
- Greenwich13
- Hebron13
- Killingworth13
- Lyme12
- Winchester12
- Branford11
- New Canaan11
- Waterford11
- Oxford10
- Tolland9
- Milford town8
- Killingly6
- Washington5
- Colebrook4
- Guilford4
- Woodbury4
- Essex Village0
- West Mountain0
