Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 19:52, Sep 19
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?
- Plainfield33
- Greenwich town31
- Madison31
- Groton30
- Danbury29
- East Hartford29
- Fairfield29
- New Haven29
- Stratford29
- Byram27
- Cos Cob27
- Glenville27
- Middletown27
- Pemberwick27
- Rock Ridge27
- Conning Towers-Nautilus Park26
- Deep River Center26
- Fenwick26
- Gales Ferry26
- Long Hill, Southeastern Connecticut County26
- Montville26
- Mystic26
- New London26
- Niantic26
- Noank26
- Old Greenwich26
- Old Lyme26
- Old Mystic26
- Old Saybrook Center26
- Oxoboxo River26
- Pawcatuck26
- Poquonock Bridge26
- Riverside26
- Salem26
- Saybrook Manor26
- Southeastern Connecticut26
- Waterford town26
- Westbrook Center26
- Chester Center25
- Cornwall25
- East Haven25
- Pomfret25
- Clinton24
- Mashantucket24
- New Canaan24
- Norwich24
- West Hartford24
- Lower Connecticut River Valley23
- Stafford23
- Stamford23
- Windsor23
- Berlin22
- Madison Center22
- Moodus22
- Newtown22
- Woodbury22
- Baltic21
- Hebron21
- Southington21
- Canterbury20
- Darien Downtown20
- Shelton20
- Trumbull20
- Winchester20
- Bolton19
- Colchester19
- Glastonbury19
- Guilford Center19
- Lisbon19
- Oxford19
- Tolland19
- Branford Center18
- Cannondale18
- East Hampton18
- Enfield18
- Greater Bridgeport18
- Greens Farms18
- Higganum18
- Jewett City18
- Lordship18
- Milford18
- Norwalk18
- Oronoque18
- Ridgefield18
- Saugatuck18
- South Central Connecticut18
- Southport18
- Trumbull Center18
- West Mountain18
- Weston18
- Westport18
- Wilton Center18
- Woodmont18
- Ansonia17
- Ashford17
- Bethel17
- Bethlehem Village17
- Bigelow Corners17
- Blue Hills17
- Bristol17
- Broad Brook17
- Canaan17
- Canton17
- Canton Valley17
- Capitol17
- Cheshire Village17
- Collinsville17
- Coventry Lake17
- Cromwell17
- Crystal Lake17
- Danielson17
- Deep River17
- Derby17
- Durham17
- East Brooklyn17
- Ellington17
- Farmington17
- Gaylordsville17
- Glastonbury Center17
- Hamden17
- Hazardville17
- Heritage Village17
- Kensington17
- Lake Pocotopaug17
- Lebanon17
- Litchfield17
- Manchester17
- Mansfield17
- Mansfield Center17
- Mechanicsville17
- Meriden17
- Middlebury17
- Moosup17
- Naugatuck17
- Naugatuck Valley17
- New Britain17
- New Hartford Center17
- New Milford17
- New Preston17
- Newington17
- North Granby17
- North Grosvenor Dale17
- North Haven17
- Northeastern Connecticut17
- Northford17
- Northwest Harwinton17
- Northwest Hills17
- Oakville17
- Orange17
- Plainfield Village17
- Plainville17
- Plantsville17
- Plymouth17
- Portland17
- Prospect17
- Quasset Lake17
- Quinebaug17
- Quinnipiac University17
- Redding Center17
- Riverton17
- Rockville17
- Salmon Brook17
- Sandy Hook17
- Seymour17
- Sherman17
- Sherwood Manor17
- Simsbury Center17
- Somers17
- South Coventry17
- South Windham17
- South Windsor17
- South Woodstock17
- Southwood Acres17
- Stafford Springs17
- Storrs17
- Suffield Depot17
- Tariffville17
- Tashua17
- Terramuggus17
- Terryville17
- Thomaston17
- Thompsonville17
- Torrington17
- Torrington town17
- Wallingford17
- Wallingford Center17
- Watertown17
- Wauregan17
- Weatogue17
- West Haven17
- West Simsbury17
- Western Connecticut17
- Wethersfield17
- Willimantic17
- Windsor Locks17
- Winsted17
- Woodbridge17
- Woodbury Center17
- Bridgeport16
- Colebrook16
- Hartford16
- Killingworth15
- Lyme15
- Branford14
- Washington14
- Waterbury14
- Waterford13
- Greenwich12
- Milford town12
- Guilford6
- Killingly6
- Old Saybrook6
- Coventry5
- Redding3
- Cheshire2
- Essex Village0
- Simsbury0
