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Best Air Quality ZIP Codes in Idaho
Top 50 best air quality zip codes in america in Idaho. ZIP-level data from EPA Air Quality Index.
Top 50
| # | ZIP Code | City / Suburb | Median AQI |
|---|---|---|---|
| 1 | 83226 | Challis | 6 |
| 2 | 83227 | Clayton | 6 |
| 3 | 83235 | — | 6 |
| 4 | 83251 | Lost River | 6 |
| 5 | 83278 | Stanley | 6 |
| 6 | 83313 | Gannett | 19 |
| 7 | 83320 | Carey | 19 |
| 8 | 83333 | Hailey | 19 |
| 9 | 83340 | Ketchum | 19 |
| 10 | 83348 | — | 19 |
| 11 | 83353 | Sun Valley | 19 |
| 12 | 83354 | Sun Valley | 19 |
| 13 | 83120 | Freedom | 22 |
| 14 | 83228 | Clifton | 22 |
| 15 | 83232 | Dayton | 22 |
| 16 | 83237 | Franklin | 22 |
| 17 | 83263 | Preston | 22 |
| 18 | 83283 | — | 22 |
| 19 | 83285 | — | 22 |
| 20 | 83286 | Dayton | 22 |
| 21 | 83401 | Idaho Falls | 22 |
| 22 | 83402 | Idaho Falls | 22 |
| 23 | 83404 | Idaho Falls | 22 |
| 24 | 83406 | Ammon | 22 |
| 25 | 83427 | Iona | 22 |
| 26 | 83428 | Irwin | 22 |
| 27 | 83443 | Swan Valley | 22 |
| 28 | 83449 | Swan Valley | 22 |
| 29 | 83454 | Ucon | 22 |
| 30 | 83301 | Twin Falls | 23 |
| 31 | 83302 | — | 23 |
| 32 | 83316 | Buhl | 23 |
| 33 | 83321 | Castleford | 23 |
| 34 | 83328 | Filer | 23 |
| 35 | 83332 | Hagerman | 23 |
| 36 | 83334 | Hansen | 23 |
| 37 | 83341 | Kimberly | 23 |
| 38 | 83801 | Athol | 24 |
| 39 | 83810 | — | 24 |
| 40 | 83814 | Coeur d'Alene | 24 |
| 41 | 83815 | Coeur d'Alene | 24 |
| 42 | 83833 | Harrison | 24 |
| 43 | 83835 | Hayden | 24 |
| 44 | 83842 | — | 24 |
| 45 | 83854 | Post Falls | 24 |
| 46 | 83858 | Rathdrum | 24 |
| 47 | 83869 | Spirit Lake | 24 |
| 48 | 83876 | Conkling Park | 24 |
| 49 | 83537 | Kendrick | 27 |
| 50 | 83806 | Bovill | 27 |
Methodology
This ranking is based on EPA Air Quality Index data, scoped to Idaho 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.