City vs city
Des Moines vs Mount Ayr, IA
Des Moines and Mount Ayr are tied on overall score, with the biggest factor difference 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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Des Moines: 46/100 · Mount Ayr: 46/100
No gap.
Flood
Des Moines: 73/100 · Mount Ayr: 55/100
Des Moines is 18 points higher.
Des Moines: FEMA NFHL flood zones: 10 features intersect this tile.
Mount Ayr: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Des Moines: 18/100 · Mount Ayr: 18/100
No gap.
Des Moines: Wind exposure derived from ingested design wind / climatology tiles.
Mount Ayr: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Des Moines: 58/100 · Mount Ayr: 63/100
Mount Ayr is 5 points higher.
Des Moines: Lightning exposure derived from ingested climatology tiles.
Mount Ayr: Lightning exposure derived from ingested climatology tiles.
Tornado
Des Moines: 12/100 · Mount Ayr: 19/100
Mount Ayr is 7 points higher.
Des Moines: Tornado risk derived from NOAA SPC historical reports.
Mount Ayr: Tornado risk derived from NOAA SPC historical reports.
Hail
Des Moines: 100/100 · Mount Ayr: 99/100
Des Moines is 1 points higher.
Des Moines: Hail risk derived from NOAA SPC historical reports.
Mount Ayr: Hail risk derived from NOAA SPC historical reports.
Storm surge
Des Moines: Unavailable · Mount Ayr: Unavailable
A score difference cannot be calculated without both sources.
Des Moines: Storm surge model is not available for this location yet.
Mount Ayr: Storm surge model is not available for this location yet.
Wildfire
Des Moines: 31/100 · Mount Ayr: 43/100
Mount Ayr is 12 points higher.
Des Moines: Wildfire exposure derived from ingested fire potential tiles.
Mount Ayr: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Des Moines: 32/100 · Mount Ayr: 28/100
Des Moines is 4 points higher.
Des Moines: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Mount Ayr: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.