All InfoEnvironmentIndiana

Environment in Indiana

Environment data across 388 ZIP codes in Indiana

Indiana Snapshot

43

Avg AQI in Indiana

698

EV Stations in Indiana

52.2°F

Avg Annual Temperature

Last updated May 4, 2026.

How Indiana compares

Indiana

43

National Average

43

Indiana's avg median aqi is about the same as the national average.

These are the 10 ZIP codes with the best air quality in Indiana, 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 Indiana

#ZIP CodeCityMedian AQI
146148Knightstown34
247337Dunreith34
347344Greensboro34
447351Kennard34
547352Lewisville34
647356Middletown34
747360Mooreland34
847361Mount Summit34
947362New Castle34
104736634

FAQ

How many ZIP codes does Mubboo track in Indiana?

Mubboo tracks 388 ZIP codes in Indiana via the U.S. Census ZCTA basemap. Use the search box above to look up data for any specific ZIP.

How does Indiana's average median air quality index compare nationally?

Indiana's average median air quality index is lower the national average. See the "How Indiana 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 Indiana data:

← All Environment data across America

By Mubboo Editorial Team

Last reviewed May 4, 2026


Data sources

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

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