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Air Quality in CT
Found 288 zip codes.
CT air quality summary: Explore EPA-sourced air quality data for zip codes across CT. Click on any zip code to view detailed PM2.5 levels, score breakdowns, and neighborhood comparisons to help you find the cleanest places to live or visit.
06902
Stamford
06010
Bristol
06810
Danbury
06516
West Haven
06511
New Haven
06606
Bridgeport
06457
Middletown
06492
Wallingford
06484
Shelton
06082
Enfield
06513
New Haven
06460
Milford
06611
Trumbull
06360
Norwich
06053
New Britain
06824
Fairfield
06106
Hartford
06040
Manchester
06450
Meriden
06614
Stratford
06790
Torrington
06489
Southington
06854
Norwalk
06770
Naugatuck
06604
Bridgeport
06704
Waterbury
06811
Danbury
06111
Newington
06066
Vernon Rockville
06033
Glastonbury
06340
Groton
06095
Windsor
06708
Waterbury
06051
New Britain
06410
Cheshire
06512
East Haven
06405
Branford
06851
Norwalk
06320
New London
06880
Westport
06118
East Hartford
06109
Wethersfield
06776
New Milford
06074
South Windsor
06514
Hamden
06114
Hartford
06605
Bridgeport
06705
Waterbury
06877
Ridgefield
06830
Greenwich
06451
Meriden
06473
North Haven
06042
Manchester
06108
East Hartford
06112
Hartford
06437
Guilford
06610
Bridgeport
06825
Fairfield
06820
Darien
06002
Bloomfield
06067
Rocky Hill
06840
New Canaan
06801
Bethel
06905
Stamford
06518
Hamden
06488
Southbury
06107
West Hartford
06850
Norwalk
06226
Willimantic
06401
Ansonia
06105
Hartford
06037
Berlin
06001
Avon
06032
Farmington
06515
New Haven
06468
Monroe
06897
Wilton
06804
Brookfield
06443
Madison
06062
Plainville
06615
Stratford
06483
Seymour
06029
Ellington
06117
West Hartford
06716
Wolcott
06415
Colchester
06385
Waterford
06351
Jewett City
06519
New Haven
06470
Newtown
06706
Waterbury
06070
Simsbury
06831
Greenwich
06461
Milford
06084
Tolland
06119
West Hartford
06416
Cromwell
06477
Orange
06517
Hamden
06903
Stamford
06120
Hartford
06795
Watertown
06812
New Fairfield
06413
Clinton
06478
Oxford
06424
East Hampton
06110
West Hartford
06096
Windsor Locks
06238
Coventry
06418
Derby
06355
Mystic
06608
Bridgeport
06482
Sandy Hook
06076
Stafford Springs
06268
Storrs Mansfield
06357
Niantic
06239
Danielson
06901
Stamford
06071
Somers
06475
Old Saybrook
06078
Suffield
06883
Weston
06479
Plantsville
06098
Winsted
06382
Uncasville
06710
Waterbury
06798
Woodbury
06371
Old Lyme
06786
Terryville
06019
Canton
06013
Burlington
06712
Prospect
06480
Portland
06855
Norwalk
06260
Putnam
06906
Stamford
06339
Ledyard
06525
Woodbridge
06379
Pawcatuck
06896
Redding
06907
Stamford
06234
Brooklyn
06779
Oakville
06878
Riverside
06607
Bridgeport
06269
Storrs Mansfield
06052
New Britain
06870
Old Greenwich
06374
Plainfield
06035
Granby
06762
Middlebury
06612
Easton
06807
Cos Cob
06085
Unionville
06787
Thomaston
06333
East Lyme
06370
Oakdale
06281
Woodstock
06422
Durham
06471
North Branford
06249
Lebanon
06016
Broad Brook
06498
Westbrook
06241
Dayville
06057
New Hartford
06472
Northford
06335
Gales Ferry
06419
Killingworth
06403
Beacon Falls
06447
Marlborough
06354
Moosup
06791
Harwinton
06279
Willington
06378
Stonington
06248
Hebron
06759
Litchfield
06250
Mansfield Center
06073
South Glastonbury
06441
Higganum
06237
Columbia
06524
Bethany
06026
East Granby
06423
East Haddam
06359
North Stonington
06331
Canterbury
06043
Bolton
06365
Preston
06092
West Simsbury
06890
Southport
06510
New Haven
06259
Pomfret Center
06255
North Grosvenordale
06417
Deep River
06420
Salem
06278
Ashford
06088
East Windsor
06277
Thompson
06412
Chester
06089
Weatogue
06375
Quaker Hill
06231
Amston
06784
Sherman
06093
West Suffield
06751
Bethlehem
06063
Barkhamsted
06330
Baltic
06469
Moodus
06426
Essex
06853
Norwalk
06232
Andover
06280
Windham
06756
Goshen
06103
Hartford
06702
Waterbury
06377
Sterling
06438
Haddam
06442
Ivoryton
06380
Taftville
06384
Voluntown
06069
Sharon
06018
Canaan
06455
Middlefield
06247
Hampton
06060
North Granby
06334
Bozrah
06783
Roxbury
06763
Morris
06757
Kent
06068
Salisbury
06235
Chaplin
06254
North Franklin
06782
Plymouth
06039
Lakeville
06058
Norfolk
06777
New Preston Marble Dale
06481
Rockfall
06256
North Windham
06752
Bridgewater
06754
Cornwall Bridge
06080
Suffield
06778
Northfield
06031
Falls Village
06021
Colebrook
06081
Tariffville
06750
Bantam
06242
Eastford
06794
Washington Depot
06755
Gaylordsville
06459
Middletown
06023
East Berlin
06027
East Hartland
06090
West Granby
06282
Woodstock Valley
06793
Washington
06332
Central Village
06796
West Cornwall
06785
South Kent
06262
Quinebaug
06065
Riverton
06409
Centerbrook
06024
East Canaan
06263
Rogers
06353
Montville
06467
Milldale
06061
Pine Meadow
06059
North Canton
06414
Cobalt
06456
Middle Haddam
06091
West Hartland
06266
South Windham
06373
Oneco
06444
Marion
06387
Wauregan
06264
Scotland
06350
Hanover
06258
Pomfret
06022
Collinsville
06753
Cornwall
06376
South Lyme
06243
East Killingly
06439
Hadlyme
06336
Gilman
06338
Mashantucket
06079
Taconic
06758
Lakeside
06020
Canton Center
06072
Somersville
06389
Yantic
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Frequently Asked Questions
How often is this air quality data updated?
Our historical trend models and annual rankings are updated regularly based on official EPA data to ensure reports reflect the latest available long-term trends.
What sources does CleanAirData use?
We rely strictly on official U.S. Environmental Protection Agency (EPA) monitoring station data for all historical air quality scoring and reports.