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Air Quality in NH
Found 247 zip codes.
NH air quality summary: Explore EPA-sourced air quality data for zip codes across NH. 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.
03103
Manchester
03104
Manchester
03038
Derry
03301
Concord
03102
Manchester
03820
Dover
03060
Nashua
03079
Salem
03062
Nashua
03054
Merrimack
03053
Londonderry
03051
Hudson
03431
Keene
03110
Bedford
03801
Portsmouth
03833
Exeter
03867
Rochester
03246
Laconia
03303
Concord
03055
Milford
03842
Hampton
03087
Windham
03063
Nashua
03824
Durham
03106
Hooksett
03076
Pelham
03064
Nashua
03045
Goffstown
03743
Claremont
03275
Suncook
03878
Somersworth
03031
Amherst
03766
Lebanon
03077
Raymond
03755
Hanover
03109
Manchester
03825
Barrington
03857
Newmarket
03570
Berlin
03281
Weare
03276
Tilton
03235
Franklin
03049
Hollis
03052
Litchfield
03874
Seabrook
03304
Bow
03244
Hillsborough
03865
Plaistow
03249
Gilford
03885
Stratham
03773
Newport
03042
Epping
03220
Belmont
03811
Atkinson
03264
Plymouth
03458
Peterborough
03835
Farmington
03253
Meredith
03873
Sandown
03446
Swanzey
03894
Wolfeboro
03841
Hampstead
03461
Rindge
03848
Kingston
03242
Henniker
03070
New Boston
03868
Rochester
03032
Auburn
03222
Bristol
03229
Contoocook
03561
Littleton
03033
Brookline
03307
Loudon
03452
Jaffrey
03290
Nottingham
03071
New Ipswich
03036
Chester
03603
Charlestown
03870
Rye
03254
Moultonborough
03234
Epsom
03470
Winchester
03858
Newton
03044
Fremont
03037
Deerfield
03261
Northwood
03862
North Hampton
03861
Lee
03748
Enfield
03257
New London
03819
Danville
03872
Sanbornville
03034
Candia
03851
Milton
03884
Strafford
03839
Rochester
03813
Center Conway
03086
Wilton
03741
Canaan
03840
Greenland
03263
Pittsfield
03451
Hinsdale
03225
Center Barnstead
03818
Conway
03784
West Lebanon
03860
North Conway
03809
Alton
03753
Grantham
03584
Lancaster
03223
Campton
03598
Whitefield
03827
East Kingston
03581
Gorham
03048
Greenville
03101
Manchester
03608
Walpole
03782
Sunapee
03046
Dunbarton
03278
Warner
03269
Sanbornton
03285
Thornton
03576
Colebrook
03855
New Durham
03258
Chichester
03057
Mont Vernon
03440
Antrim
03826
East Hampstead
03237
Gilmanton
03574
Bethlehem
03256
New Hampton
03585
Lisbon
03869
Rollinsford
03224
Canterbury
03602
Alstead
03844
Hampton Falls
03814
Center Ossipee
03810
Alton Bay
03447
Fitzwilliam
03455
Marlborough
03467
Westmoreland
03823
Madbury
03221
Bradford
03217
Ashland
03864
Ossipee
03266
Rumney
03216
Andover
03856
Newfields
03785
Woodsville
03255
Newbury
03465
Troy
03582
Groveton
03781
Plainfield
03245
Holderness
03882
Effingham
03449
Hancock
03745
Cornish
03887
Union
03047
Greenfield
03462
Spofford
03768
Lyme
03444
Dublin
03588
Milan
03886
Tamworth
03442
Bennington
03816
Center Tuftonboro
03082
Lyndeborough
03836
Freedom
03287
Wilmot
03268
Salisbury
03849
Madison
03251
Lincoln
03230
Danbury
03837
Gilmanton Iron Works
03774
North Haverhill
03580
Franconia
03043
Francestown
03227
Center Sandwich
03830
East Wakefield
03084
Temple
03240
Grafton
03466
West Chesterfield
03590
North Stratford
03777
Orford
03280
Washington
03845
Intervale
03218
Barnstead
03241
Hebron
03262
North Woodstock
03750
Etna
03812
Bartlett
03740
Bath
03780
Pike
03817
Chocorua
03592
Pittsburg
03282
Wentworth
03752
Goshen
03583
Jefferson
03226
Center Harbor
03875
Silver Lake
03838
Glen
03260
North Sutton
03243
Hill
03605
Lempster
03464
Stoddard
03846
Jackson
03284
Springfield
03450
Harrisville
03279
Warren
03779
Piermont
03456
Marlow
03854
New Castle
03457
Nelson
03771
Monroe
03448
Gilsum
03445
Sullivan
03586
Sugar Hill
03853
Mirror Lake
03595
Twin Mountain
03770
Meriden
03441
Ashuelot
03443
Chesterfield
03597
West Stewartstown
03609
North Walpole
03765
Haverhill
03832
Eaton Center
03593
Randolph
03579
Errol
03751
Georges Mills
03601
Acworth
03607
South Acworth
03273
South Sutton
03871
Rye Beach
03850
Melvin Village
03215
Waterville Valley
03259
North Sandwich
03883
South Tamworth
03852
Milton Mills
03890
West Ossipee
03233
Elkins
03231
East Andover
03847
Kearsarge
03293
Woodstock
03238
Glencliff
03575
Bretton Woods
03897
Wonalancet
03291
West Nottingham
03604
Drewsville
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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.