Cities with the Cleanest Air in New Hampshire.
Cities in New Hampshire with the most good AQI days per year.
9 cities ranked · See the national list
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| # | City | Good AQI Days |
|---|---|---|
| 1 | Laconia | 324 days/yr |
| 2 | Manchester | 310 days/yr |
| 3 | Nashua | 310 days/yr |
| 4 | Portsmouth | 309 days/yr |
| 5 | Derry | 309 days/yr |
| 6 | Londonderry | 309 days/yr |
| 7 | Exeter | 309 days/yr |
| 8 | Lebanon | 305 days/yr |
| 9 | Keene | 288 days/yr |
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