Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 11:55, Oct 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?
- Lyme54
- Pawcatuck51
- Mystic49
- Noank49
- Long Hill, Southeastern Connecticut County48
- New London48
- Old Mystic48
- Poquonock Bridge48
- Conning Towers-Nautilus Park47
- Mashantucket47
- Niantic47
- Waterford town47
- Gales Ferry46
- Fenwick45
- Old Lyme45
- Old Saybrook Center45
- Oxoboxo River44
- Southeastern Connecticut44
- Jewett City43
- Norwich43
- Saybrook Manor43
- Lisbon42
- Westbrook Center42
- Baltic41
- Moosup41
- Plainfield Village41
- Salem41
- Clinton40
- Deep River Center39
- Madison Center39
- Chester Center38
- Danielson38
- East Brooklyn38
- Lower Connecticut River Valley38
- Wauregan38
- Colchester37
- Guilford Center37
- Madison37
- Moodus37
- South Windham37
- Branford Center36
- Higganum36
- Northeastern Connecticut36
- Willimantic36
- East Hampton35
- Mansfield Center35
- Mechanicsville35
- Pomfret35
- Durham34
- Lake Pocotopaug34
- North Grosvenor Dale34
- Northford34
- Quasset Lake34
- South Central Connecticut34
- South Coventry34
- South Woodstock34
- Terramuggus34
- Windsor34
- Ashford33
- Coventry Lake33
- Portland33
- Quinebaug33
- Storrs33
- Woodmont33
- Byram32
- Cromwell32
- Darien Downtown32
- Greater Bridgeport32
- Greens Farms32
- Lordship32
- Milford32
- North Haven32
- Old Greenwich32
- Southport32
- Stratford32
- Wallingford32
- Wallingford Center32
- West Haven32
- Westport32
- Ansonia31
- Cannondale31
- Capitol31
- Cheshire Village31
- Cos Cob31
- Crystal Lake31
- Derby31
- Glastonbury Center31
- Glenville31
- Greenwich town31
- Kensington31
- Manchester31
- Meriden31
- New Britain31
- Newington31
- Norwalk31
- Orange31
- Oronoque31
- Pemberwick31
- Plantsville31
- Prospect31
- Quinnipiac University31
- Riverside31
- Rock Ridge31
- Rockville31
- Saugatuck31
- Seymour31
- Stafford31
- Stafford Springs31
- Stamford31
- Tashua31
- Trumbull Center31
- Weston31
- Wethersfield31
- Wilton Center31
- Woodbridge31
- Bethel30
- Bethlehem Village30
- Bigelow Corners30
- Blue Hills30
- Bristol30
- Broad Brook30
- Canton30
- Canton Valley30
- Collinsville30
- Ellington30
- Farmington30
- Gaylordsville30
- Heritage Village30
- Litchfield30
- Middlebury30
- Naugatuck30
- Naugatuck Valley30
- New Milford30
- New Preston30
- Northwest Harwinton30
- Oakville30
- Plainville30
- Plymouth30
- Redding Center30
- Ridgefield30
- Sandy Hook30
- Simsbury Center30
- Somers30
- South Windsor30
- Tariffville30
- Terryville30
- Thomaston30
- Watertown30
- Weatogue30
- West Simsbury30
- Western Connecticut30
- Windsor Locks30
- Woodbury Center30
- Canaan29
- East Hartford29
- Hazardville29
- New Hartford Center29
- North Granby29
- Northwest Hills29
- Riverton29
- Salmon Brook29
- Sherwood Manor29
- Southwood Acres29
- Suffield Depot29
- Thompsonville29
- Torrington29
- Torrington town29
- Winsted29
- New Haven28
- Hartford27
- Oxford27
- Shelton27
- Trumbull27
- Berlin26
- Deep River26
- New Canaan26
- Southington26
- West Hartford26
- Coventry25
- Bolton24
- Canterbury24
- Cornwall24
- Fairfield24
- Glastonbury24
- Lebanon24
- Mansfield24
- Killingworth23
- Middletown23
- Montville23
- Branford22
- Winchester22
- Bridgeport21
- Newtown21
- Tolland20
- Waterbury19
- Groton18
- Hamden18
- Sherman18
- Washington18
- East Haven17
- Enfield17
- Greenwich16
- Waterford16
- Colebrook14
- Hebron14
- Woodbury14
- Milford town12
- Killingly11
- Danbury10
- Guilford8
- Old Saybrook6
- Simsbury6
- Redding3
- Plainfield2
- Essex Village1
- Cheshire0
- West Mountain0
