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Worst Air Quality ZIP Codes in New Hampshire
Top 50 worst air quality zip codes in america in New Hampshire. ZIP-level data from EPA Air Quality Index.
Top 50
| # | ZIP Code | City / Suburb | Median AQI |
|---|---|---|---|
| 1 | 03570 | Berlin | 44 |
| 2 | 03575 | — | 44 |
| 3 | 03576 | Colebrook | 44 |
| 4 | 03581 | Gorham | 44 |
| 5 | 03582 | Groveton | 44 |
| 6 | 03583 | — | 44 |
| 7 | 03584 | Lancaster | 44 |
| 8 | 03588 | — | 44 |
| 9 | 03590 | — | 44 |
| 10 | 03592 | — | 44 |
| 11 | 03593 | — | 44 |
| 12 | 03595 | — | 44 |
| 13 | 03597 | West Stewartstown | 44 |
| 14 | 03598 | Whitefield | 44 |
| 15 | 03032 | — | 38 |
| 16 | 03034 | — | 38 |
| 17 | 03036 | Derry | 38 |
| 18 | 03037 | — | 38 |
| 19 | 03038 | Derry | 38 |
| 20 | 03042 | Epping | 38 |
| 21 | 03044 | — | 38 |
| 22 | 03053 | Londonderry | 38 |
| 23 | 03077 | Raymond | 38 |
| 24 | 03079 | — | 38 |
| 25 | 03087 | — | 38 |
| 26 | 03261 | — | 38 |
| 27 | 03290 | — | 38 |
| 28 | 03291 | — | 38 |
| 29 | 03801 | Portsmouth | 38 |
| 30 | 03811 | — | 38 |
| 31 | 03819 | — | 38 |
| 32 | 03826 | — | 38 |
| 33 | 03827 | — | 38 |
| 34 | 03833 | Exeter | 38 |
| 35 | 03840 | — | 38 |
| 36 | 03841 | — | 38 |
| 37 | 03842 | Hampton | 38 |
| 38 | 03844 | — | 38 |
| 39 | 03848 | — | 38 |
| 40 | 03854 | — | 38 |
| 41 | 03856 | Newfields | 38 |
| 42 | 03857 | Newmarket | 38 |
| 43 | 03858 | — | 38 |
| 44 | 03862 | — | 38 |
| 45 | 03865 | — | 38 |
| 46 | 03870 | — | 38 |
| 47 | 03871 | — | 38 |
| 48 | 03873 | — | 38 |
| 49 | 03874 | Seabrook Beach | 38 |
| 50 | 03885 | — | 38 |
Methodology
This ranking is based on EPA Air Quality Index data, scoped to New Hampshire ZIP codes. Up to 50 ZIP codes are listed, ordered by median aqi. Data is refreshed periodically. See our methodology page for full details on data sources and update frequency.