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Air Quality in MD
Found 477 zip codes.
MD air quality summary: Explore EPA-sourced air quality data for zip codes across MD. 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.
20906
Silver Spring
21234
Parkville
20878
Gaithersburg
21740
Hagerstown
21117
Owings Mills
20874
Germantown
21122
Pasadena
21222
Dundalk
20904
Silver Spring
21061
Glen Burnie
20744
Fort Washington
20772
Upper Marlboro
20902
Silver Spring
21215
Baltimore
20774
Upper Marlboro
20854
Potomac
21228
Catonsville
20850
Rockville
20783
Hyattsville
21702
Frederick
21206
Baltimore
21043
Ellicott City
20852
Rockville
21224
Baltimore
21207
Gwynn Oak
21229
Baltimore
20910
Silver Spring
21921
Elkton
21044
Columbia
21218
Baltimore
21221
Essex
21042
Ellicott City
21701
Frederick
21220
Middle River
20706
Lanham
21703
Frederick
20743
Capitol Heights
21502
Cumberland
21804
Salisbury
20748
Temple Hills
20785
Hyattsville
21045
Columbia
21060
Glen Burnie
21236
Nottingham
21784
Sykesville
21093
Lutherville Timonium
21157
Westminster
21014
Bel Air
21401
Annapolis
20877
Gaithersburg
20747
District Heights
21244
Windsor Mill
20735
Clinton
20817
Bethesda
21075
Elkridge
20707
Laurel
21208
Pikesville
21144
Severn
20723
Laurel
20740
College Park
21113
Odenton
20901
Silver Spring
21227
Halethorpe
20886
Montgomery Village
20782
Hyattsville
21742
Hagerstown
21225
Brooklyn
21212
Baltimore
20784
Hyattsville
21009
Abingdon
21771
Mount Airy
21230
Baltimore
20814
Bethesda
21403
Annapolis
21136
Reisterstown
20853
Rockville
20603
Waldorf
21237
Rosedale
21133
Randallstown
20721
Bowie
21217
Baltimore
20815
Chevy Chase
20871
Clarksburg
21209
Baltimore
21801
Salisbury
21015
Bel Air
21216
Baltimore
20705
Beltsville
20745
Oxon Hill
21146
Severna Park
20770
Greenbelt
20602
Waldorf
21213
Baltimore
20708
Laurel
21239
Baltimore
21001
Aberdeen
20746
Suitland
20601
Waldorf
20715
Bowie
20653
Lexington Park
20876
Germantown
21030
Cockeysville
20912
Takoma Park
21114
Crofton
20832
Olney
20879
Gaithersburg
20720
Bowie
21040
Edgewood
20903
Silver Spring
21601
Easton
20737
Riverdale
21811
Berlin
20659
Mechanicsville
21076
Hanover
21012
Arnold
20716
Bowie
21158
Westminster
21286
Towson
20646
La Plata
21214
Baltimore
21037
Edgewater
20657
Lusby
21202
Baltimore
21409
Annapolis
21078
Havre De Grace
21704
Frederick
21204
Towson
21223
Baltimore
21901
North East
20724
Laurel
20895
Kensington
20905
Silver Spring
21108
Millersville
21201
Baltimore
20816
Bethesda
21613
Cambridge
20613
Brandywine
21050
Forest Hill
21085
Joppa
20855
Derwood
21774
New Market
20794
Jessup
20695
White Plains
21054
Gambrills
20650
Leonardtown
20866
Burtonsville
21046
Columbia
20639
Huntingtown
21128
Perry Hall
21211
Baltimore
21231
Baltimore
20851
Rockville
21074
Hampstead
21666
Stevensville
20619
California
21210
Baltimore
20872
Damascus
21047
Fallston
21620
Chestertown
20882
Gaithersburg
20607
Accokeek
21550
Oakland
21532
Frostburg
21029
Clarksville
20781
Hyattsville
21205
Baltimore
20678
Prince Frederick
21102
Manchester
21769
Middletown
21788
Thurmont
21787
Taneytown
21842
Ocean City
20755
Fort George G Meade
20732
Chesapeake Beach
21793
Walkersville
20640
Indian Head
21090
Linthicum Heights
21911
Rising Sun
21853
Princess Anne
20636
Hollywood
21048
Finksburg
21617
Centreville
21629
Denton
21795
Williamsport
20841
Boyds
20736
Owings
21783
Smithsburg
21713
Boonsboro
20710
Bladensburg
21219
Sparrows Point
20712
Mount Rainier
21032
Crownsville
21770
Monrovia
21797
Woodbine
21754
Ijamsville
20616
Bryans Road
21035
Davidsonville
20833
Brookeville
20711
Lothian
21875
Delmar
20754
Dunkirk
21163
Woodstock
21120
Parkton
21851
Pocomoke City
21716
Brunswick
21131
Phoenix
20634
Great Mills
21084
Jarrettsville
20769
Glenn Dale
20685
Saint Leonard
21722
Clear Spring
20837
Poolesville
21226
Curtis Bay
21017
Belcamp
20759
Fulton
21154
Street
21152
Sparks Glencoe
21632
Federalsburg
20722
Brentwood
21776
New Windsor
21904
Port Deposit
21619
Chester
20637
Hughesville
21104
Marriottsville
21727
Emmitsburg
21755
Jefferson
21773
Myersville
21903
Perryville
21013
Baldwin
21087
Kingsville
21826
Fruitland
21638
Grasonville
21643
Hurlock
21791
Union Bridge
21863
Snow Hill
21161
White Hall
21830
Hebron
20622
Charlotte Hall
21655
Preston
21252
Towson
21111
Monkton
21639
Greensboro
21710
Adamstown
21162
White Marsh
20714
North Beach
21140
Riva
21817
Crisfield
21758
Knoxville
21057
Glen Arm
20742
College Park
21402
Annapolis
21918
Conowingo
21660
Ridgely
21850
Pittsville
21536
Grantsville
21663
Saint Michaels
21782
Sharpsburg
21738
Glenwood
21756
Keedysville
21658
Queenstown
21919
Earleville
21750
Hancock
21849
Parsonsburg
20776
Harwood
21155
Upperco
21890
Westover
20777
Highland
20676
Port Republic
21132
Pylesville
20664
Newburg
20762
Andrews Air Force Base
21028
Churchville
21562
Westernport
21813
Bishopville
20764
Shady Side
21053
Freeland
21798
Woodsboro
21822
Eden
21837
Mardela Springs
20861
Ashton
20751
Deale
21034
Darlington
21673
Trappe
21250
Baltimore
20623
Cheltenham
21757
Keymar
20733
Churchton
21623
Church Hill
21661
Rock Hall
20763
Savage
21036
Dayton
21531
Friendsville
21737
Glenelg
21915
Chesapeake City
21777
Point Of Rocks
21160
Whiteford
21631
East New Market
21561
Swanton
20842
Dickerson
21746
Hagerstown
21651
Millington
21917
Colora
20778
West River
21005
Aberdeen Proving Ground
21794
West Friendship
21780
Sabillasville
20662
Nanjemoy
20677
Port Tobacco
21635
Galena
20670
Patuxent River
20860
Sandy Spring
21668
Sudlersville
21539
Lonaconing
21520
Accident
21649
Marydel
21838
Marion Station
20689
Sunderland
20675
Pomfret
21625
Cordova
21871
Westover
20618
Bushwood
21545
Mount Savage
21874
Willards
21678
Worton
21659
Rhodesdale
20818
Cabin John
21912
Warwick
20693
Welcome
21557
Rawlings
21555
Oldtown
21920
Elk Mills
21530
Flintstone
21521
Barton
21657
Queen Anne
21541
McHenry
21779
Rohrersville
20688
Solomons
21733
Fairplay
20611
Bel Alton
21654
Oxford
21719
Cascade
21640
Henderson
20629
Dowell
20620
Callaway
21636
Goldsboro
20690
Tall Timbers
21734
Funkstown
21856
Quantico
21767
Maugansville
20686
Saint Marys City
21645
Kennedyville
20621
Chaptico
20896
Garrett Park
21711
Big Pool
21861
Sharptown
20779
Tracys Landing
20658
Marbury
21766
Little Orleans
20625
Cobb Island
21869
Vienna
21913
Cecilton
20645
Issue
21914
Charlestown
20684
Saint Inigoes
21821
Deal Island
20624
Clements
21841
Newark
20674
Piney Point
21778
Rocky Ridge
21671
Tilghman
20609
Avenue
20758
Friendship
21524
Corriganville
20608
Aquasco
21538
Kitzmiller
21723
Cooksville
20765
Galesville
20680
Ridge
21872
Whaleyville
21664
Secretary
21082
Hydes
21864
Stockton
21607
Barclay
20889
Bethesda
20880
Washington Grove
21840
Nanticoke
20630
Drayden
21662
Royal Oak
21529
Ellerslie
20701
Annapolis Junction
20692
Valley Lee
20628
Dameron
21405
Annapolis
20632
Faulkner
21612
Bozman
21634
Fishing Creek
20615
Broomes Island
21153
Stevenson
21676
Wittman
21677
Woolford
20862
Brinklow
21622
Church Creek
20687
Scotland
21052
Fort Howard
21071
Glyndon
21829
Girdletree
21610
Betterton
21902
Perry Point
20617
Bryantown
21647
Mcdaniel
21865
Tyaskin
21835
Linkwood
20838
Barnesville
21679
Wye Mills
20606
Abell
21056
Gibson Island
21667
Still Pond
20626
Coltons Point
20812
Glen Echo
21650
Massey
21824
Ewell
21626
Crapo
21628
Crumpton
21717
Buckeystown
21010
Gunpowder
21665
Sherwood
21814
Bivalve
21156
Upper Falls
20868
Spencerville
21251
Baltimore
21543
Midlothian
21051
Fork
21648
Madison
21790
Tuscarora
21624
Claiborne
21672
Toddville
21669
Taylors Island
20839
Bealsville
21652
Neavitt
20667
Park Hall
21523
Bloomington
20612
Benedict
21762
Libertytown
21718
Burkittsville
21641
Hillsboro
21130
Perryman
21714
Braddock Heights
21540
Luke
20656
Loveville
21542
Midland
21653
Newcomb
21644
Ingleside
21866
Tylerton
21023
Butler
21077
Harmans
21867
Upper Fairmount
20899
Gaithersburg
21810
Allen
21675
Wingate
21105
Maryland Line
21862
Showell
21031
Hunt Valley
21627
Crocheron
21781
Saint James
21930
Georgetown
21715
Brownsville
20660
Morganza
21560
Spring Gap
21705
Frederick
21285
Towson
20661
Mount Victoria
20771
Greenbelt
20892
Bethesda
20894
Bethesda
21233
Baltimore
21240
Baltimore
21287
Baltimore
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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.