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Air Quality in DE
Found 68 zip codes.
DE air quality summary: Explore EPA-sourced air quality data for zip codes across DE. 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.
19720
New Castle
19702
Newark
19709
Middletown
19711
Newark
19701
Bear
19805
Wilmington
19808
Wilmington
19904
Dover
19901
Dover
19966
Millsboro
19958
Lewes
19713
Newark
19977
Smyrna
19973
Seaford
19810
Wilmington
19802
Wilmington
19963
Milford
19803
Wilmington
19947
Georgetown
19804
Wilmington
19707
Hockessin
19801
Wilmington
19956
Laurel
19968
Milton
19703
Claymont
19971
Rehoboth Beach
19809
Wilmington
19734
Townsend
19934
Camden Wyoming
19962
Magnolia
19943
Felton
19952
Harrington
19975
Selbyville
19933
Bridgeville
19806
Wilmington
19945
Frankford
19938
Clayton
19970
Ocean View
19950
Greenwood
19807
Wilmington
19940
Delmar
19939
Dagsboro
19960
Lincoln
19717
Newark
19946
Frederica
19953
Hartly
19941
Ellendale
19930
Bethany Beach
19967
Millville
19951
Harbeson
19706
Delaware City
19954
Houston
19964
Marydel
19731
Port Penn
19944
Fenwick Island
19979
Viola
19730
Odessa
19931
Bethel
19955
Kenton
19980
Woodside
19733
Saint Georges
19936
Cheswold
19736
Yorklyn
19732
Rockland
19902
Dover Afb
19710
Montchanin
19716
Newark
19735
Winterthur
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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.