City vs city
Alton vs Davenport, IA
Davenport currently scores 8 points higher overall than Alton, with the largest gap in hail.
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
Alton: 32/100 · Davenport: 40/100
Davenport is 8 points higher.
Flood
Alton: 59/100 · Davenport: 13/100
Alton is 46 points higher.
Alton: FEMA NFHL flood zones: 9 features intersect this tile.
Davenport: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Alton: 20/100 · Davenport: 17/100
Alton is 3 points higher.
Alton: Wind exposure derived from ingested design wind / climatology tiles.
Davenport: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alton: 51/100 · Davenport: 41/100
Alton is 10 points higher.
Alton: Lightning exposure derived from ingested climatology tiles.
Davenport: Lightning exposure derived from ingested climatology tiles.
Tornado
Alton: 8/100 · Davenport: 50/100
Davenport is 42 points higher.
Alton: Tornado risk derived from NOAA SPC historical reports.
Davenport: Tornado risk derived from NOAA SPC historical reports.
Hail
Alton: 34/100 · Davenport: 100/100
Davenport is 66 points higher.
Alton: Hail risk derived from NOAA SPC historical reports.
Davenport: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alton: Unavailable · Davenport: Unavailable
A score difference cannot be calculated without both sources.
Alton: Storm surge model is not available for this location yet.
Davenport: Storm surge model is not available for this location yet.
Wildfire
Alton: 29/100 · Davenport: 35/100
Davenport is 6 points higher.
Alton: Wildfire exposure derived from ingested fire potential tiles.
Davenport: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Alton: 24/100 · Davenport: 26/100
Davenport is 2 points higher.
Alton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Davenport: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.