All InfoEnvironmentMassachusetts

Environment in Massachusetts

Environment data across 536 ZIP codes in Massachusetts

Massachusetts Snapshot

37

Avg AQI in Massachusetts

4,191

EV Stations in Massachusetts

49.4°F

Avg Annual Temperature

Last updated May 4, 2026.

How Massachusetts compares

Massachusetts

37

National Average

43

Massachusetts's avg median aqi is 13.6% lower than the national average.

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

#ZIP CodeCityMedian AQI
101002Amherst Town35
201003Amherst Town35
301007Belchertown35
40101235
50102635
601027Easthampton Town35
70103235
801033Granby35
90103535
1001038Hatfield35

FAQ

How many ZIP codes does Mubboo track in Massachusetts?

Mubboo tracks 536 ZIP codes in Massachusetts via the U.S. Census ZCTA basemap. Use the search box above to look up data for any specific ZIP.

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

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

← All Environment data across America

By Mubboo Editorial Team

Last reviewed May 4, 2026


Data sources

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

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