City vs city
Avon vs Helena West Side, MT
Helena West Side currently scores 6 points higher overall than Avon, with the largest gap in flood.
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
Avon: 19/100 · Helena West Side: 25/100
Helena West Side is 6 points higher.
Flood
Avon: 0/100 · Helena West Side: 23/100
Helena West Side is 23 points higher.
Avon: FEMA NFHL flood zones: 0 features intersect this tile.
Helena West Side: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Avon: 15/100 · Helena West Side: 15/100
No gap.
Avon: Wind exposure derived from ingested design wind / climatology tiles.
Helena West Side: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Avon: 10/100 · Helena West Side: 9/100
Avon is 1 points higher.
Avon: Lightning exposure derived from ingested climatology tiles.
Helena West Side: Lightning exposure derived from ingested climatology tiles.
Tornado
Avon: 0/100 · Helena West Side: 0/100
No gap.
Avon: Tornado risk derived from NOAA SPC historical reports.
Helena West Side: Tornado risk derived from NOAA SPC historical reports.
Hail
Avon: 20/100 · Helena West Side: 21/100
Helena West Side is 1 points higher.
Avon: Hail risk derived from NOAA SPC historical reports.
Helena West Side: Hail risk derived from NOAA SPC historical reports.
Storm surge
Avon: Unavailable · Helena West Side: Unavailable
A score difference cannot be calculated without both sources.
Avon: Storm surge model is not available for this location yet.
Helena West Side: Storm surge model is not available for this location yet.
Wildfire
Avon: 58/100 · Helena West Side: 71/100
Helena West Side is 13 points higher.
Avon: Wildfire exposure derived from ingested fire potential tiles.
Helena West Side: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Avon: 13/100 · Helena West Side: 13/100
No gap.
Avon: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Helena West Side: Air quality signal derived from the latest EPA AirNow combined AQI grid.
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