Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 15:39, Jun 19
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- Stratford65
- Greenwich town55
- Madison55
- Groton51
- New Haven47
- Danbury45
- Middletown45
- Pawcatuck43
- East Hartford42
- Mystic41
- Noank41
- Poquonock Bridge41
- Stafford41
- Cornwall40
- Long Hill, Southeastern Connecticut County40
- Old Mystic40
- New London39
- Pomfret39
- Waterford39
- Conning Towers-Nautilus Park38
- Niantic38
- Mashantucket37
- Fenwick36
- Gales Ferry36
- Old Saybrook Center36
- Old Lyme35
- Saybrook Manor35
- Oxoboxo River34
- Westbrook Center34
- Fairfield33
- Southeastern Connecticut33
- Clinton32
- Lyme32
- Essex Village31
- Jewett City31
- Lebanon31
- Lisbon31
- Madison Center31
- Baltic29
- Deep River Center29
- New Canaan29
- Salem29
- Winchester29
- Chester Center28
- Guilford Center28
- Hartford28
- Montville28
- Plainfield28
- Plainfield Village28
- Shelton28
- Bridgeport27
- Coventry27
- Killingworth27
- Lower Connecticut River Valley27
- Mansfield27
- Moosup27
- West Hartford27
- Windsor Locks27
- Canterbury26
- Deep River26
- Glastonbury26
- Oxford26
- Wauregan26
- Berlin25
- Branford Center25
- Danielson25
- Moodus25
- New Milford25
- Westport25
- Colchester24
- East Brooklyn24
- Lordship24
- Sherman24
- South Central Connecticut24
- South Windham24
- Southington24
- Woodbury24
- Greens Farms23
- Milford23
- Northeastern Connecticut23
- Waterbury23
- Woodmont23
- Ashford22
- Byram22
- Darien Downtown22
- Greater Bridgeport22
- Guilford22
- Higganum22
- Mansfield Center22
- Mechanicsville22
- Norwalk22
- Old Greenwich22
- Saugatuck22
- Southport22
- Tolland22
- West Haven22
- Willimantic22
- Cos Cob21
- Durham21
- East Hampton21
- Glenville21
- Lake Pocotopaug21
- Newtown21
- North Grosvenor Dale21
- North Haven21
- Northford21
- Orange21
- Oronoque21
- Pemberwick21
- Quasset Lake21
- Redding21
- Riverside21
- Rock Ridge21
- South Woodstock21
- Stamford21
- Trumbull Center21
- Colebrook20
- Derby20
- East Haven20
- Quinebaug20
- Quinnipiac University20
- South Coventry20
- Storrs20
- Terramuggus20
- Wallingford20
- Wallingford Center20
- Weston20
- Wilton Center20
- Woodbridge20
- Ansonia19
- Branford19
- Cannondale19
- Cheshire Village19
- Coventry Lake19
- Cromwell19
- Enfield19
- Hebron19
- Meriden19
- Portland19
- Seymour19
- Tashua19
- Bethel18
- Bethlehem Village18
- Bigelow Corners18
- Blue Hills18
- Bristol18
- Broad Brook18
- Canaan18
- Canton18
- Canton Valley18
- Capitol18
- Cheshire18
- Collinsville18
- Crystal Lake18
- Ellington18
- Farmington18
- Gaylordsville18
- Glastonbury Center18
- Hazardville18
- Heritage Village18
- Kensington18
- Litchfield18
- Manchester18
- Middlebury18
- Naugatuck18
- Naugatuck Valley18
- New Britain18
- New Hartford Center18
- New Preston18
- Newington18
- North Granby18
- Northwest Harwinton18
- Northwest Hills18
- Oakville18
- Plainville18
- Plantsville18
- Plymouth18
- Prospect18
- Redding Center18
- Ridgefield18
- Riverton18
- Rockville18
- Salmon Brook18
- Sandy Hook18
- Sherwood Manor18
- Simsbury Center18
- Somers18
- South Windsor18
- Southwood Acres18
- Stafford Springs18
- Suffield Depot18
- Tariffville18
- Terryville18
- Thomaston18
- Thompsonville18
- Torrington18
- Torrington town18
- Washington18
- Watertown18
- Weatogue18
- West Mountain18
- West Simsbury18
- Western Connecticut18
- Wethersfield18
- Windsor18
- Winsted18
- Woodbury Center18
- Greenwich15
- Norwich15
- Hamden14
- Milford town13
- Waterford town7
