Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 22:15, Sep 04
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?
- Coventry53
- East Hartford44
- Byram43
- Cos Cob43
- Glenville43
- Greenwich town43
- Hartford43
- Old Greenwich43
- Pemberwick43
- Rock Ridge43
- Ansonia42
- Ashford42
- Baltic42
- Bethel42
- Bethlehem Village42
- Bigelow Corners42
- Blue Hills42
- Branford Center42
- Bristol42
- Broad Brook42
- Cannondale42
- Canton42
- Canton Valley42
- Capitol42
- Cheshire Village42
- Chester Center42
- Clinton42
- Colchester42
- Collinsville42
- Conning Towers-Nautilus Park42
- Coventry Lake42
- Cromwell42
- Crystal Lake42
- Danielson42
- Darien Downtown42
- Deep River Center42
- Derby42
- Durham42
- East Brooklyn42
- East Hampton42
- Ellington42
- Farmington42
- Fenwick42
- Gales Ferry42
- Gaylordsville42
- Glastonbury Center42
- Greater Bridgeport42
- Greens Farms42
- Guilford Center42
- Hazardville42
- Heritage Village42
- Higganum42
- Jewett City42
- Kensington42
- Lake Pocotopaug42
- Lisbon42
- Litchfield42
- Long Hill, Southeastern Connecticut County42
- Lordship42
- Lower Connecticut River Valley42
- Madison42
- Madison Center42
- Manchester42
- Mansfield Center42
- Mashantucket42
- Mechanicsville42
- Meriden42
- Middlebury42
- Middletown42
- Milford42
- Moodus42
- Moosup42
- Mystic42
- Naugatuck42
- Naugatuck Valley42
- New Britain42
- New Hartford Center42
- New London42
- New Milford42
- New Preston42
- Newington42
- Niantic42
- Noank42
- North Granby42
- North Grosvenor Dale42
- North Haven42
- Northeastern Connecticut42
- Northford42
- Northwest Harwinton42
- Northwest Hills42
- Norwalk42
- Norwich42
- Oakville42
- Old Lyme42
- Old Mystic42
- Old Saybrook Center42
- Orange42
- Oronoque42
- Oxoboxo River42
- Pawcatuck42
- Plainfield Village42
- Plainville42
- Plantsville42
- Plymouth42
- Pomfret42
- Poquonock Bridge42
- Portland42
- Prospect42
- Quasset Lake42
- Quinebaug42
- Quinnipiac University42
- Redding Center42
- Ridgefield42
- Riverside42
- Riverton42
- Rockville42
- Salem42
- Salmon Brook42
- Sandy Hook42
- Saugatuck42
- Saybrook Manor42
- Seymour42
- Sherwood Manor42
- Simsbury Center42
- Somers42
- South Central Connecticut42
- South Coventry42
- South Windham42
- South Windsor42
- South Woodstock42
- Southeastern Connecticut42
- Southington42
- Southport42
- Southwood Acres42
- Stafford42
- Stafford Springs42
- Stamford42
- Storrs42
- Stratford42
- Suffield Depot42
- Tariffville42
- Tashua42
- Terramuggus42
- Terryville42
- Thomaston42
- Thompsonville42
- Torrington42
- Torrington town42
- Trumbull Center42
- Wallingford42
- Wallingford Center42
- Washington42
- Waterbury42
- Watertown42
- Wauregan42
- Weatogue42
- West Haven42
- West Simsbury42
- Westbrook Center42
- Western Connecticut42
- Weston42
- Westport42
- Wethersfield42
- Willimantic42
- Wilton Center42
- Windsor42
- Windsor Locks42
- Winsted42
- Woodbridge42
- Woodbury Center42
- Woodmont42
- Canaan41
- Montville40
- East Haven39
- Killingly39
- Fairfield38
- Mansfield38
- Canterbury37
- New Canaan36
- Groton35
- Lebanon35
- Berlin34
- Greenwich33
- Winchester33
- Bridgeport32
- Deep River32
- Glastonbury32
- Trumbull32
- Lyme31
- New Haven31
- West Hartford31
- Cornwall29
- Sherman29
- Branford28
- Danbury28
- Hamden28
- Killingworth28
- Newtown28
- Tolland28
- Waterford27
- Essex Village26
- Oxford26
- Shelton25
- Enfield22
- Old Saybrook22
- Simsbury22
- West Mountain21
- Milford town20
- Guilford16
- Colebrook14
- Woodbury14
- Plainfield11
- Hebron9
- Redding3
- Waterford town1
