Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 04:36, Sep 02
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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- New Canaan152
- Byram52
- Cos Cob52
- Glenville52
- Greenwich town52
- Old Greenwich52
- Pemberwick52
- Rock Ridge52
- Riverside51
- Stamford50
- Darien Downtown49
- Norwalk48
- Coventry47
- Greens Farms46
- Saugatuck46
- Westport46
- Cannondale44
- Ridgefield44
- Simsbury44
- Southport44
- Weston44
- Wilton Center44
- Ashford43
- Crystal Lake43
- Danielson43
- East Brooklyn43
- Greater Bridgeport43
- Mechanicsville43
- Moosup43
- North Grosvenor Dale43
- Northeastern Connecticut43
- Quasset Lake43
- Quinebaug43
- Redding43
- Somers43
- South Woodstock43
- Stafford43
- Stafford Springs43
- Wauregan43
- Western Connecticut43
- Ansonia42
- Baltic42
- Bethel42
- Bigelow Corners42
- Branford Center42
- Broad Brook42
- Capitol42
- Chester Center42
- Clinton42
- Colchester42
- Conning Towers-Nautilus Park42
- Coventry Lake42
- Deep River Center42
- Derby42
- East Hampton42
- Ellington42
- Fenwick42
- Gales Ferry42
- Hazardville42
- Jewett City42
- Lake Pocotopaug42
- Lisbon42
- Long Hill, Southeastern Connecticut County42
- Lordship42
- Lower Connecticut River Valley42
- Manchester42
- Mansfield Center42
- Mashantucket42
- Milford42
- Moodus42
- Mystic42
- New London42
- Niantic42
- Noank42
- Norwich42
- Old Lyme42
- Old Mystic42
- Old Saybrook Center42
- Orange42
- Oronoque42
- Oxoboxo River42
- Pawcatuck42
- Plainfield42
- Plainfield Village42
- Poquonock Bridge42
- Redding Center42
- Rockville42
- Salem42
- Saybrook Manor42
- Sherwood Manor42
- South Central Connecticut42
- South Coventry42
- South Windham42
- South Windsor42
- Southeastern Connecticut42
- Southwood Acres42
- Storrs42
- Stratford42
- Suffield Depot42
- Tashua42
- Terramuggus42
- Thompsonville42
- Trumbull Center42
- Waterford town42
- West Haven42
- Westbrook Center42
- Willimantic42
- Windsor42
- Windsor Locks42
- Woodmont42
- Bethlehem Village41
- Blue Hills41
- Bristol41
- Canton41
- Canton Valley41
- Cheshire Village41
- Collinsville41
- Cromwell41
- Durham41
- Farmington41
- Gaylordsville41
- Glastonbury Center41
- Guilford Center41
- Heritage Village41
- Higganum41
- Kensington41
- Litchfield41
- Madison41
- Madison Center41
- Meriden41
- Middlebury41
- Naugatuck41
- Naugatuck Valley41
- New Britain41
- New Hartford Center41
- New Milford41
- New Preston41
- Newington41
- North Granby41
- North Haven41
- Northford41
- Northwest Harwinton41
- Oakville41
- Plainville41
- Plantsville41
- Plymouth41
- Portland41
- Prospect41
- Quinnipiac University41
- Riverton41
- Salmon Brook41
- Sandy Hook41
- Seymour41
- Simsbury Center41
- Tariffville41
- Terryville41
- Thomaston41
- Torrington41
- Torrington town41
- Wallingford41
- Wallingford Center41
- Washington41
- Watertown41
- Weatogue41
- West Simsbury41
- Wethersfield41
- Winsted41
- Woodbridge41
- Woodbury Center41
- Northwest Hills40
- Greenwich39
- Killingly39
- Canaan37
- Hamden28
- Groton25
- Middletown25
- Cornwall24
- Danbury24
- East Hartford24
- Hartford24
- New Haven24
- Pomfret24
- Mansfield22
- Old Saybrook22
- Oxford21
- Tolland20
- Berlin19
- Montville18
- Waterbury17
- Winchester15
- West Mountain14
- Canterbury13
- East Haven13
- Newtown13
- Fairfield12
- Glastonbury12
- Waterford12
- West Hartford12
- Lebanon11
- Lyme11
- Sherman11
- Southington11
- Woodbury11
- Deep River10
- Enfield10
- Bridgeport8
- Killingworth8
- Trumbull8
- Branford4
- Guilford4
- Milford town4
- Shelton3
- Cheshire2
- Essex Village1
- Colebrook0









