Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 12:20, Sep 15
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?
- Byram47
- Cos Cob47
- Darien Downtown47
- Glenville47
- Greenwich town47
- Norwalk47
- Old Greenwich47
- Pemberwick47
- Riverside47
- Rock Ridge47
- Stamford47
- Cannondale46
- Greens Farms46
- Ridgefield46
- Saugatuck46
- West Mountain46
- Weston46
- Westport46
- Wilton Center46
- Southport45
- Western Connecticut45
- Bethel44
- Greater Bridgeport44
- Redding44
- Redding Center44
- Tashua44
- Bigelow Corners43
- Lordship43
- Stratford43
- Trumbull Center43
- Derby42
- Heritage Village42
- Milford42
- Oronoque42
- Sandy Hook42
- Woodmont42
- Ansonia41
- Orange41
- Seymour41
- West Haven41
- Woodbridge41
- Woodbury Center41
- Middlebury40
- Naugatuck40
- New Milford40
- Bethlehem Village39
- Branford Center39
- Naugatuck Valley39
- Oakville39
- South Central Connecticut39
- Watertown39
- Bristol38
- Cheshire38
- Cheshire Village38
- Gaylordsville38
- Litchfield38
- Meriden38
- North Haven38
- Northford38
- Plainville38
- Plantsville38
- Plymouth38
- Prospect38
- Quinnipiac University38
- Terryville38
- Thomaston38
- Wallingford38
- Wallingford Center38
- Washington38
- Collinsville37
- Durham37
- Farmington37
- Guilford Center37
- Kensington37
- Madison37
- New Britain37
- New Preston37
- Northwest Harwinton37
- Canton36
- Canton Valley36
- Cromwell36
- Madison Center36
- New Hartford Center36
- Newington36
- Portland36
- Torrington36
- Torrington town36
- Cornwall35
- Higganum35
- Northwest Hills35
- Riverton35
- Simsbury Center35
- Weatogue35
- West Simsbury35
- Wethersfield35
- Winsted35
- Blue Hills34
- Broad Brook34
- Capitol34
- Chester Center34
- Clinton34
- Colchester34
- Coventry34
- Coventry Lake34
- Crystal Lake34
- Deep River Center34
- East Hampton34
- Ellington34
- Glastonbury Center34
- Hazardville34
- Lake Pocotopaug34
- Lower Connecticut River Valley34
- Manchester34
- Moodus34
- North Granby34
- Rockville34
- Salmon Brook34
- Sherwood Manor34
- Somers34
- South Coventry34
- South Windsor34
- Southwood Acres34
- Stafford34
- Stafford Springs34
- Storrs34
- Suffield Depot34
- Tariffville34
- Terramuggus34
- Thompsonville34
- Windsor Locks34
- Ashford33
- Essex Village33
- Mansfield Center33
- Plainfield33
- Saybrook Manor33
- Westbrook Center33
- Willimantic33
- Canaan32
- Fenwick32
- Old Saybrook Center32
- Salem32
- South Windham32
- Baltic31
- Mechanicsville31
- North Grosvenor Dale31
- Northeastern Connecticut31
- Old Lyme31
- Pomfret31
- Quasset Lake31
- Quinebaug31
- South Woodstock31
- Danielson30
- East Brooklyn30
- Norwich30
- Wauregan30
- Jewett City29
- Killingly29
- Lisbon29
- Moosup29
- Oxoboxo River29
- Plainfield Village29
- Southeastern Connecticut29
- Gales Ferry28
- Niantic28
- Waterford town28
- Conning Towers-Nautilus Park27
- Hartford27
- Mashantucket27
- New London27
- Long Hill, Southeastern Connecticut County26
- Noank26
- Old Mystic26
- Old Saybrook26
- Poquonock Bridge26
- Mystic25
- Pawcatuck24
- Simsbury23
- Danbury22
- East Hartford22
- Bolton21
- Fairfield18
- Groton17
- Hamden17
- Montville17
- Waterbury17
- Waterford17
- New Haven15
- East Haven14
- Greenwich14
- Mansfield14
- Berlin13
- Southington13
- Bridgeport11
- Lyme11
- Glastonbury10
- Tolland10
- Branford9
- Canterbury9
- Sherman9
- Deep River8
- Killingworth7
- Newtown7
- Windsor7
- Woodbury7
- New Canaan6
- West Hartford6
- Milford town5
- Lebanon4
- Middletown4
- Oxford4
- Winchester4
- Guilford3
- Hebron3
- Trumbull3
- Enfield2
- Shelton0
