Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 22:24, Sep 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?
- Mansfield47
- Stratford38
- Greenwich town36
- Madison35
- East Hartford34
- Groton34
- Danbury33
- Middletown33
- East Haven32
- New Haven32
- Byram29
- Pemberwick29
- Cos Cob28
- Glenville28
- Old Greenwich28
- Riverside28
- Rock Ridge28
- Stamford28
- Darien Downtown27
- Norwalk26
- Saugatuck26
- Stafford26
- Westport26
- Ansonia25
- Branford Center25
- Cannondale25
- Derby25
- Greater Bridgeport25
- Greens Farms25
- Lordship25
- Milford25
- Orange25
- Oronoque25
- Pomfret25
- Redding Center25
- Ridgefield25
- South Central Connecticut25
- Southport25
- Tashua25
- Trumbull Center25
- West Haven25
- West Mountain25
- Western Connecticut25
- Weston25
- Wilton Center25
- Woodmont25
- Bethel24
- Clinton24
- Cornwall24
- Guilford Center24
- Madison Center24
- North Haven24
- Sandy Hook24
- Seymour24
- Windsor24
- Woodbridge24
- Bigelow Corners23
- Fenwick23
- Long Hill, Southeastern Connecticut County23
- Montville23
- Mystic23
- New London23
- Niantic23
- Noank23
- Northford23
- Old Lyme23
- Old Mystic23
- Old Saybrook Center23
- Pawcatuck23
- Poquonock Bridge23
- Quinnipiac University23
- Saybrook Manor23
- Westbrook Center23
- Baltic22
- Cheshire Village22
- Chester Center22
- Colchester22
- Conning Towers-Nautilus Park22
- Danielson22
- Deep River Center22
- Durham22
- East Brooklyn22
- Essex Village22
- Fairfield22
- Gales Ferry22
- Gaylordsville22
- Heritage Village22
- Higganum22
- Jewett City22
- Lisbon22
- Lower Connecticut River Valley22
- Mashantucket22
- Meriden22
- Middlebury22
- Moodus22
- Moosup22
- Naugatuck22
- Naugatuck Valley22
- New Milford22
- Norwich22
- Oxoboxo River22
- Plainfield Village22
- Prospect22
- Salem22
- Southeastern Connecticut22
- Wallingford22
- Wallingford Center22
- Waterford town22
- Wauregan22
- Woodbury Center22
- East Hampton21
- Lake Pocotopaug21
- Northeastern Connecticut21
- Oakville21
- Plainfield21
- Plantsville21
- Portland21
- South Windham21
- Trumbull21
- Cromwell20
- Kensington20
- Mechanicsville20
- New Preston20
- Watertown20
- Willimantic20
- Bethlehem Village19
- Mansfield Center19
- North Grosvenor Dale19
- Plymouth19
- Quasset Lake19
- Quinebaug19
- South Coventry19
- South Woodstock19
- Terramuggus19
- Ashford18
- Blue Hills18
- Bolton18
- Bristol18
- Broad Brook18
- Canaan18
- Canton18
- Canton Valley18
- Capitol18
- Collinsville18
- Coventry Lake18
- Crystal Lake18
- Ellington18
- Farmington18
- Glastonbury Center18
- Hazardville18
- Litchfield18
- Manchester18
- New Britain18
- New Hartford Center18
- Newington18
- North Granby18
- Northwest Harwinton18
- Northwest Hills18
- Plainville18
- Riverton18
- Rockville18
- Salmon Brook18
- Sherwood Manor18
- Simsbury Center18
- Somers18
- South Windsor18
- Southwood Acres18
- Stafford Springs18
- Storrs18
- Suffield Depot18
- Tariffville18
- Terryville18
- Thomaston18
- Thompsonville18
- Torrington18
- Torrington town18
- Weatogue18
- West Hartford18
- West Simsbury18
- Wethersfield18
- Windsor Locks18
- Winsted18
- New Canaan17
- Simsbury17
- Colebrook16
- Southington16
- Waterbury16
- Branford15
- Berlin14
- Hartford14
- Greenwich13
- Hamden13
- Killingworth13
- Newtown13
- Shelton13
- Sherman13
- Tolland13
- Winchester13
- Bridgeport12
- Coventry12
- Deep River12
- Glastonbury12
- Lebanon12
- Enfield11
- Killingly11
- Old Saybrook11
- Oxford11
- Canterbury10
- Milford town9
- Woodbury9
- Hebron8
- Lyme8
- Waterford6
- Guilford5
- Washington3
- Redding2
- Cheshire0
