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Worst Air Quality ZIP Codes in Idaho
Top 50 worst 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 | 83602 | Banks | 48 |
| 2 | 83622 | Garden Valley | 48 |
| 3 | 83629 | Horseshoe Bend | 48 |
| 4 | 83631 | Idaho City | 48 |
| 5 | 83637 | Lowman | 48 |
| 6 | 83666 | Placerville | 48 |
| 7 | 83802 | — | 46 |
| 8 | 83808 | — | 46 |
| 9 | 83812 | — | 46 |
| 10 | 83837 | Kellogg | 46 |
| 11 | 83839 | — | 46 |
| 12 | 83846 | Mullan | 46 |
| 13 | 83849 | Osburn | 46 |
| 14 | 83850 | Pinehurst | 46 |
| 15 | 83867 | Silverton | 46 |
| 16 | 83868 | Smelterville | 46 |
| 17 | 83873 | Wallace | 46 |
| 18 | 83874 | — | 46 |
| 19 | 83616 | Eagle | 44 |
| 20 | 83634 | Kuna | 44 |
| 21 | 83642 | Meridian | 44 |
| 22 | 83646 | Meridian | 44 |
| 23 | 83669 | Star | 44 |
| 24 | 83702 | Boise City | 44 |
| 25 | 83703 | Boise City | 44 |
| 26 | 83704 | Boise City | 44 |
| 27 | 83705 | Boise City | 44 |
| 28 | 83706 | Boise City | 44 |
| 29 | 83709 | Boise City | 44 |
| 30 | 83712 | Boise City | 44 |
| 31 | 83713 | Boise City | 44 |
| 32 | 83714 | Garden City | 44 |
| 33 | 83720 | Boise City | 44 |
| 34 | 83725 | Boise City | 44 |
| 35 | 83824 | De Smet | 43 |
| 36 | 83830 | Fernwood | 43 |
| 37 | 83851 | Plummer | 43 |
| 38 | 83861 | St. Maries | 43 |
| 39 | 83866 | — | 43 |
| 40 | 83870 | Tensed | 43 |
| 41 | 83213 | Arco | 42 |
| 42 | 83244 | — | 42 |
| 43 | 83255 | Lost River | 42 |
| 44 | 83522 | Cottonwood | 42 |
| 45 | 83525 | Elk City | 42 |
| 46 | 83526 | Ferdinand | 42 |
| 47 | 83530 | Grangeville | 42 |
| 48 | 83533 | — | 42 |
| 49 | 83536 | Kamiah | 42 |
| 50 | 83539 | Kooskia | 42 |
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.