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Environment in New Hampshire
Environment data across 186 ZIP codes in New Hampshire
New Hampshire Snapshot
37
Avg AQI in New Hampshire
291
EV Stations in New Hampshire
45.6°F
Avg Annual Temperature
Last updated May 4, 2026.
How New Hampshire compares
New Hampshire
37
National Average
43
New Hampshire's avg median aqi is 13.4% lower than the national average.
These are the 10 ZIP codes with the best air quality in New Hampshire, ranked by lowest median Air Quality Index from EPA AirData. Click any ZIP code for the full local snapshot.
FAQ
How many ZIP codes does Mubboo track in New Hampshire?
Mubboo tracks 186 ZIP codes in New Hampshire via the U.S. Census ZCTA basemap. Use the search box above to look up data for any specific ZIP.
How does New Hampshire's average median air quality index compare nationally?
New Hampshire's average median air quality index is lower the national average. See the "How New Hampshire 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 →
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