Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 20:14, Sep 08
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Real-time information
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Which is the most polluted city in Connecticut?
- Old Greenwich47
- Byram46
- Cos Cob46
- Darien Downtown46
- Glenville46
- Greenwich town46
- Pemberwick46
- Riverside46
- Rock Ridge46
- Stamford46
- Norwalk45
- Stratford45
- Cannondale44
- Greater Bridgeport44
- Greens Farms44
- Lordship44
- Ridgefield44
- Saugatuck44
- Southport44
- Trumbull Center44
- Weston44
- Westport44
- Wilton Center44
- Ansonia43
- Bethel43
- Bigelow Corners43
- Derby43
- Heritage Village43
- Madison43
- Milford43
- Orange43
- Oronoque43
- Redding Center43
- Sandy Hook43
- Seymour43
- Tashua43
- West Haven43
- Western Connecticut43
- Woodmont43
- Branford Center42
- East Haven42
- Gaylordsville42
- Middlebury42
- Naugatuck42
- Naugatuck Valley42
- New Milford42
- New Preston42
- South Central Connecticut42
- Washington42
- Woodbridge42
- Woodbury Center42
- Bethlehem Village41
- Cheshire Village41
- Guilford Center41
- Litchfield41
- Madison Center41
- North Haven41
- Northford41
- Oakville41
- Plainfield41
- Prospect41
- Quinnipiac University41
- Wallingford Center41
- Watertown41
- Clinton40
- Plantsville40
- Plymouth40
- Saybrook Manor40
- Thomaston40
- Wallingford40
- Westbrook Center40
- Bristol39
- Canaan39
- Canton39
- Canton Valley39
- Chester Center39
- Collinsville39
- Coventry39
- Cromwell39
- Deep River Center39
- Durham39
- East Hampton39
- Farmington39
- Fenwick39
- Higganum39
- Kensington39
- Lower Connecticut River Valley39
- Meriden39
- Middletown39
- Moodus39
- New Britain39
- New Hartford Center39
- Newington39
- Niantic39
- Northwest Harwinton39
- Northwest Hills39
- Old Lyme39
- Old Saybrook Center39
- Plainville39
- Portland39
- Riverton39
- Southington39
- Terryville39
- Torrington39
- Torrington town39
- Weatogue39
- West Simsbury39
- Wethersfield39
- Winsted39
- Blue Hills38
- Colchester38
- Conning Towers-Nautilus Park38
- Glastonbury Center38
- Lake Pocotopaug38
- Long Hill, Southeastern Connecticut County38
- New London38
- Oxoboxo River38
- Poquonock Bridge38
- Salem38
- Simsbury Center38
- Tariffville38
- Terramuggus38
- Waterford town38
- Baltic37
- Broad Brook37
- Capitol37
- Coventry Lake37
- Gales Ferry37
- Jewett City37
- Lisbon37
- Manchester37
- Mansfield Center37
- Mashantucket37
- Montville37
- Mystic37
- Noank37
- North Granby37
- Norwich37
- Old Mystic37
- Pawcatuck37
- Plainfield Village37
- Rockville37
- Salmon Brook37
- South Coventry37
- South Windham37
- South Windsor37
- Southeastern Connecticut37
- Southwood Acres37
- Storrs37
- Suffield Depot37
- Willimantic37
- Windsor37
- Windsor Locks37
- Ashford36
- Crystal Lake36
- Danielson36
- East Brooklyn36
- Ellington36
- Groton36
- Hazardville36
- Moosup36
- Northeastern Connecticut36
- Pomfret36
- Sherwood Manor36
- Somers36
- Stafford36
- Stafford Springs36
- Thompsonville36
- Wauregan36
- Fairfield34
- Mechanicsville34
- Quasset Lake34
- South Woodstock34
- Lyme33
- North Grosvenor Dale33
- Quinebaug33
- Bolton32
- East Hartford32
- Killingworth32
- Lebanon32
- New Haven32
- Mansfield31
- Trumbull31
- Cornwall30
- Glastonbury30
- New Canaan29
- Berlin28
- Canterbury28
- Deep River28
- Greenwich28
- Hamden28
- Killingly28
- Waterbury28
- West Hartford28
- Hartford27
- Branford26
- Tolland25
- Bridgeport24
- Shelton24
- Winchester24
- Woodbury24
- Newtown23
- Oxford23
- Waterford23
- Old Saybrook22
- Simsbury22
- Sherman21
- Essex Village19
- Enfield18
- Danbury17
- Guilford16
- Milford town16
- Colebrook11
- Hebron7
- Redding2
- West Mountain2
- Cheshire1
