All InfoEnvironmentDistrict of Columbia

Environment in District of Columbia

Environment data across 57 ZIP codes in District of Columbia

District of Columbia Snapshot

45

Avg AQI in District of Columbia

311

EV Stations in District of Columbia

58.6°F

Avg Annual Temperature

Last updated May 4, 2026.

How District of Columbia compares

District of Columbia

45

National Average

43

District of Columbia's avg median aqi is 5.2% higher than the national average.

These are the 10 ZIP codes with the best air quality in District of Columbia, ranked by lowest median Air Quality Index from EPA AirData. Click any ZIP code for the full local snapshot.

Best Air Quality ZIP Codes in District of Columbia

#ZIP CodeCityMedian AQI
120001Washington45
220002Washington45
320003Washington45
420004Washington45
520005Washington45
620006Washington45
720007Washington45
820008Washington45
920009Washington45
1020010Washington45

FAQ

How many ZIP codes does Mubboo track in District of Columbia?

Mubboo tracks 57 ZIP codes in District of Columbia via the U.S. Census ZCTA basemap. Use the search box above to look up data for any specific ZIP.

How does District of Columbia's average median air quality index compare nationally?

District of Columbia's average median air quality index is higher the national average. See the "How District of Columbia compares" callout above for the precise side-by-side comparison.

How fresh is this data?

Mubboo refreshes each data source on its native cadence — HUD Fair Market Rents annually (October), Tax Foundation tables annually, and federal datasets per their published schedules. Each page caches for 24 hours via ISR. See our methodology page for details.

Data sources: EPA Air Quality System (AQS), NOAA NCEI 1991-2020 Climate Normals, U.S. DOE Alternative Fuels Data Center. Mubboo refreshes each source on its native cadence (HUD annually, Tax Foundation annually, etc.). See our full methodology →

More District of Columbia data:

← All Environment data across America

By Mubboo Editorial Team

Last reviewed May 4, 2026


Data sources

State-level aggregates for District of Columbia. Individual ZIP-code values may differ — use the ZIP search above for granular data.

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