2026 Rankings

Worst ZIP Codes for Wildfire Smoke in Idaho — 2026

Last updated: October 18, 2026

324 ZIP codes ranked by Smoke Risk #1: ZIP 83611 (Cascade, 51/100) - high

Out of 324 ZIP codes in Idaho with wildfire data, these rank highest on the wildfire-smoke indicator.

Statistic Value
ZIP codes ranked 324
Avg smoke risk (top 100) 46/100

Top 100 ZIP Codes

Rank ZIP City Smoke Risk Risk Level County Fires (since 2021)
1 83611 Cascade 51/100 high 37
2 83615 Donnelly 51/100 high 37
3 83638 Mccall 51/100 high 37
4 83677 Yellow Pine 51/100 high 37
5 83522 Cottonwood 49/100 high 182
6 83525 Elk City 49/100 high 182
7 83526 Ferdinand 49/100 high 182
8 83530 Grangeville 49/100 high 182
9 83533 Greencreek 49/100 high 182
10 83536 Kamiah 49/100 high 182
11 83539 Kooskia 49/100 high 182
12 83542 Lucile 49/100 high 182
13 83547 Pollock 49/100 high 182
14 83549 Riggins 49/100 high 182
15 83552 Stites 49/100 high 182
16 83554 White Bird 49/100 high 182
17 83612 Council 48/100 high 28
18 83632 Indian Valley 48/100 high 28
19 83643 Mesa 48/100 high 28
20 83622 Garden Valley 47/100 high 44
21 83623 Glenns Ferry 47/100 high 100
22 83627 Hammett 47/100 high 100
23 83629 Horseshoe Bend 47/100 high 44
24 83631 Idaho City 47/100 high 44
25 83633 King Hill 47/100 high 100
26 83637 Lowman 47/100 high 44
27 83647 Mountain Home 47/100 high 100
28 83716 Boise 47/100 high 100
29 83201 Pocatello 46/100 high 37
30 83204 Pocatello 46/100 high 37
31 83209 Pocatello 46/100 high 37
32 83214 Arimo 46/100 high 37
33 83234 Downey 46/100 high 37
34 83250 Mccammon 46/100 high 37
35 83202 Pocatello 45/100 high 37
36 83245 Inkom 45/100 high 37
37 83246 Lava Hot Springs 45/100 high 37
38 83617 Emmett 45/100 high 22
39 83636 Letha 45/100 high 22
40 83657 Ola 45/100 high 22
41 83670 Sweet 45/100 high 22
42 83281 Swanlake 44/100 moderate 37
43 83462 Carmen 44/100 moderate 23
44 83463 Gibbonsville 44/100 moderate 23
45 83466 North Fork 44/100 moderate 23
46 83467 Salmon 44/100 moderate 23
47 83604 Bruneau 44/100 moderate 90
48 83616 Eagle 44/100 moderate 165
49 83624 Grand View 44/100 moderate 90
50 83628 Homedale 44/100 moderate 90
51 83634 Kuna 44/100 moderate 165
52 83639 Marsing 44/100 moderate 90
53 83642 Meridian 44/100 moderate 165
54 83646 Meridian 44/100 moderate 165
55 83648 Mountain Home A F B 44/100 moderate 165
56 83650 Murphy 44/100 moderate 90
57 83669 Star 44/100 moderate 165
58 83702 Boise 44/100 moderate 165
59 83703 Boise 44/100 moderate 165
60 83704 Boise 44/100 moderate 165
61 83705 Boise 44/100 moderate 165
62 83706 Boise 44/100 moderate 165
63 83709 Boise 44/100 moderate 165
64 83712 Boise 44/100 moderate 165
65 83713 Boise 44/100 moderate 165
66 83714 Garden City 44/100 moderate 165

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How this ranking is calculated, data sources, and limitations: Rankings Methodology →


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Disclaimer: Rankings are based on EPA, FEMA, and federal agency data. They reflect historical patterns and risk indicators, not necessarily current conditions. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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