Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 09:06, Sep 06
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?
- Hartford66
- Byram49
- Pemberwick48
- Rock Ridge47
- Cos Cob46
- Old Greenwich46
- New Canaan44
- Greens Farms40
- Saugatuck40
- Hamden39
- Simsbury39
- Southport39
- East Haven38
- Greater Bridgeport38
- Lordship38
- Old Saybrook Center38
- Saybrook Manor38
- Clinton37
- Niantic37
- Old Lyme37
- Trumbull37
- Western Connecticut37
- Trumbull Center36
- Winchester36
- Woodmont36
- Oronoque35
- Bethel34
- Chester Center34
- Darien Downtown34
- Madison34
- Milford34
- Norwalk34
- Poquonock Bridge34
- Stratford34
- Westport34
- Branford Center33
- Conning Towers-Nautilus Park33
- Mystic33
- Orange33
- Riverside33
- Seymour33
- South Central Connecticut33
- West Haven33
- Durham32
- Gales Ferry32
- Glenville32
- Greenwich town32
- Guilford Center32
- Heritage Village32
- North Haven32
- Northford32
- Old Mystic32
- Oxoboxo River32
- Pawcatuck32
- Salem32
- Stamford32
- Ansonia31
- Derby31
- Gaylordsville31
- Madison Center31
- New Milford31
- Quinnipiac University31
- Tashua31
- Wallingford31
- Weston31
- Wilton Center31
- Woodbridge31
- Woodbury Center31
- Cannondale30
- Coventry30
- Danbury30
- Mashantucket30
- Naugatuck30
- Berlin29
- East Hampton29
- Naugatuck Valley29
- New Haven29
- Portland29
- Prospect29
- Wallingford Center29
- Washington29
- Bethlehem Village28
- Cheshire Village28
- Norwich28
- Oakville28
- Old Saybrook28
- Redding28
- Redding Center28
- Ridgefield28
- Westbrook Center28
- Baltic27
- Cromwell27
- East Hartford27
- Fairfield27
- Fenwick27
- Meriden27
- Northwest Hills27
- Sandy Hook27
- Terramuggus27
- Thomaston27
- Bridgeport26
- Deep River Center26
- Kensington26
- Plainville26
- South Windham26
- Waterbury26
- Farmington25
- Higganum25
- Lower Connecticut River Valley25
- New Britain25
- Newington25
- Plainfield25
- Plainfield Village25
- Plantsville25
- Winsted25
- Middlebury24
- Moodus24
- Moosup24
- New Hartford Center24
- Storrs24
- Wauregan24
- West Simsbury24
- Wethersfield24
- Danielson23
- Deep River23
- Glastonbury Center23
- Lake Pocotopaug23
- Pomfret23
- Tariffville23
- Ashford22
- Bigelow Corners22
- Blue Hills22
- Branford22
- Bristol22
- Greenwich22
- Killingworth22
- New London22
- North Granby22
- Plymouth22
- Quasset Lake22
- Rockville22
- Shelton22
- Southington22
- Terryville22
- Watertown22
- Windsor22
- Broad Brook21
- Capitol21
- Colchester21
- Cornwall21
- Long Hill, Southeastern Connecticut County21
- Manchester21
- South Windsor21
- Southwood Acres21
- Stafford21
- Windsor Locks21
- Sherwood Manor20
- Suffield Depot20
- Thompsonville20
- Weatogue20
- Canton19
- Canton Valley19
- Collinsville19
- Groton19
- Guilford19
- Hazardville19
- Middletown19
- Noank19
- Northwest Harwinton19
- Salmon Brook19
- Simsbury Center19
- Southeastern Connecticut19
- Coventry Lake18
- Ellington18
- Litchfield18
- South Coventry18
- Crystal Lake17
- Montville17
- New Preston17
- Newtown17
- Riverton17
- Somers17
- Torrington17
- Torrington town17
- West Hartford17
- Willimantic17
- Bolton16
- Canaan16
- East Brooklyn16
- Jewett City16
- Lisbon16
- Mansfield Center16
- Mechanicsville16
- North Grosvenor Dale16
- Northeastern Connecticut16
- Quinebaug16
- South Woodstock16
- Stafford Springs16
- Sherman15
- Glastonbury14
- Lyme14
- Woodbury14
- Milford town13
- Mansfield12
- Killingly11
- Lebanon11
- Oxford11
- Canterbury9
- Waterford9
- Colebrook8
- Enfield8
- Tolland7
- Hebron5
- Essex Village3
- Cheshire1
- Waterford town1
- West Mountain1
