Air quality in Connecticut
Air quality index (AQI⁺) and PM2.5 air pollution in Connecticut • 23:35, Sep 15
Live most polluted city ranking
Real-time Connecticut most polluted city ranking
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Which is the most polluted city in Connecticut?
- East Hartford47
- Byram40
- Glenville40
- Pemberwick40
- Greenwich town39
- Rock Ridge39
- Cos Cob38
- Old Greenwich38
- Riverside38
- Stamford38
- Darien Downtown37
- Norwalk37
- Ridgefield37
- Saugatuck37
- West Mountain37
- Wilton Center37
- Cannondale36
- Greens Farms36
- Western Connecticut36
- Weston36
- Westport36
- Bethel34
- Redding34
- Redding Center34
- Southport34
- Bigelow Corners33
- Gaylordsville33
- Tashua33
- Greater Bridgeport32
- New Milford32
- Lordship31
- Sandy Hook31
- Stratford31
- Trumbull Center31
- Ansonia29
- Bethlehem Village29
- Canaan29
- Cornwall29
- Derby29
- Heritage Village29
- Killingly29
- Litchfield29
- Middlebury29
- Milford29
- New Preston29
- Northwest Hills29
- Oakville29
- Orange29
- Oronoque29
- Seymour29
- Washington29
- Watertown29
- Woodbury Center29
- Woodmont29
- Naugatuck28
- Naugatuck Valley28
- Thomaston28
- Torrington28
- Torrington town28
- West Haven28
- Woodbridge28
- Plymouth27
- Northwest Harwinton26
- Old Saybrook26
- Prospect26
- Quinnipiac University26
- Terryville26
- Branford Center24
- Bristol24
- Cheshire24
- Cheshire Village24
- New Hartford Center24
- North Haven24
- Plantsville24
- South Central Connecticut24
- Winsted24
- Canton23
- Collinsville23
- Danbury23
- Riverton23
- Simsbury23
- Wallingford Center23
- Canton Valley22
- Danielson22
- East Brooklyn22
- Meriden22
- Moosup22
- Northford22
- Plainville22
- Wallingford22
- Ashford21
- Baltic21
- Blue Hills21
- Bolton21
- Broad Brook21
- Capitol21
- Chester Center21
- Clinton21
- Colchester21
- Conning Towers-Nautilus Park21
- Coventry21
- Coventry Lake21
- Cromwell21
- Crystal Lake21
- Deep River Center21
- Durham21
- East Hampton21
- Ellington21
- Essex Village21
- Farmington21
- Fenwick21
- Gales Ferry21
- Glastonbury Center21
- Guilford Center21
- Hazardville21
- Higganum21
- Jewett City21
- Kensington21
- Lake Pocotopaug21
- Lisbon21
- Long Hill, Southeastern Connecticut County21
- Lower Connecticut River Valley21
- Madison21
- Madison Center21
- Manchester21
- Mansfield Center21
- Mashantucket21
- Mechanicsville21
- Moodus21
- Mystic21
- New Britain21
- New London21
- Newington21
- Niantic21
- Noank21
- North Granby21
- North Grosvenor Dale21
- Northeastern Connecticut21
- Old Lyme21
- Old Mystic21
- Old Saybrook Center21
- Oxoboxo River21
- Pawcatuck21
- Plainfield Village21
- Pomfret21
- Poquonock Bridge21
- Portland21
- Quasset Lake21
- Quinebaug21
- Rockville21
- Salem21
- Salmon Brook21
- Saybrook Manor21
- Sherwood Manor21
- Simsbury Center21
- Somers21
- South Coventry21
- South Windham21
- South Windsor21
- South Woodstock21
- Southeastern Connecticut21
- Southwood Acres21
- Stafford21
- Stafford Springs21
- Storrs21
- Suffield Depot21
- Tariffville21
- Terramuggus21
- Thompsonville21
- Waterford town21
- Wauregan21
- Weatogue21
- West Simsbury21
- Westbrook Center21
- Wethersfield21
- Willimantic21
- Windsor Locks21
- Hartford20
- Fairfield18
- Berlin17
- Hamden17
- Groton16
- Waterbury16
- Waterford16
- Montville15
- Greenwich14
- Mansfield14
- East Haven13
- Lyme12
- Southington12
- Glastonbury11
- New Haven10
- Bridgeport9
- Canterbury9
- Sherman9
- Branford8
- Deep River8
- Tolland8
- Windsor8
- Killingworth7
- Newtown7
- Plainfield7
- Trumbull7
- West Hartford7
- Winchester7
- Hebron6
- Middletown6
- New Canaan6
- Milford town5
- Lebanon4
- Oxford4
- Woodbury4
- Guilford3
- Enfield2
- Norwich1
- Shelton0
