City vs city
Boise vs Grangeville, ID
Boise currently scores 5 points higher overall than Grangeville, with the largest gap in lightning.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Boise: 22/100 · Grangeville: 17/100
Boise is 5 points higher.
Flood
Boise: 29/100 · Grangeville: Unavailable
A score difference cannot be calculated without both sources.
Boise: FEMA NFHL flood zones: 18 features intersect this tile.
Grangeville: Flood model is not available for this location yet.
Wind
Boise: 11/100 · Grangeville: 12/100
Grangeville is 1 points higher.
Boise: Wind exposure derived from ingested design wind / climatology tiles.
Grangeville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Boise: 7/100 · Grangeville: 13/100
Grangeville is 6 points higher.
Boise: Lightning exposure derived from ingested climatology tiles.
Grangeville: Lightning exposure derived from ingested climatology tiles.
Tornado
Boise: 8/100 · Grangeville: 4/100
Boise is 4 points higher.
Boise: Tornado risk derived from NOAA SPC historical reports.
Grangeville: Tornado risk derived from NOAA SPC historical reports.
Hail
Boise: 25/100 · Grangeville: 25/100
No gap.
Boise: Hail risk derived from NOAA SPC historical reports.
Grangeville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Boise: Unavailable · Grangeville: Unavailable
A score difference cannot be calculated without both sources.
Boise: Storm surge model is not available for this location yet.
Grangeville: Storm surge model is not available for this location yet.
Wildfire
Boise: 61/100 · Grangeville: 58/100
Boise is 3 points higher.
Boise: Wildfire exposure derived from ingested fire potential tiles.
Grangeville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Boise: 15/100 · Grangeville: 10/100
Boise is 5 points higher.
Boise: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Grangeville: Air quality signal derived from the latest EPA AirNow combined AQI grid.