City vs city
Alton vs Cedar Rapids, IA
Cedar Rapids currently scores 11 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 · Cedar Rapids: 43/100
Cedar Rapids is 11 points higher.
Flood
Alton: 59/100 · Cedar Rapids: 67/100
Cedar Rapids is 8 points higher.
Alton: FEMA NFHL flood zones: 9 features intersect this tile.
Cedar Rapids: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Alton: 20/100 · Cedar Rapids: 17/100
Alton is 3 points higher.
Alton: Wind exposure derived from ingested design wind / climatology tiles.
Cedar Rapids: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alton: 51/100 · Cedar Rapids: 43/100
Alton is 8 points higher.
Alton: Lightning exposure derived from ingested climatology tiles.
Cedar Rapids: Lightning exposure derived from ingested climatology tiles.
Tornado
Alton: 8/100 · Cedar Rapids: 4/100
Alton is 4 points higher.
Alton: Tornado risk derived from NOAA SPC historical reports.
Cedar Rapids: Tornado risk derived from NOAA SPC historical reports.
Hail
Alton: 34/100 · Cedar Rapids: 100/100
Cedar Rapids is 66 points higher.
Alton: Hail risk derived from NOAA SPC historical reports.
Cedar Rapids: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alton: Unavailable · Cedar Rapids: Unavailable
A score difference cannot be calculated without both sources.
Alton: Storm surge model is not available for this location yet.
Cedar Rapids: Storm surge model is not available for this location yet.
Wildfire
Alton: 29/100 · Cedar Rapids: 44/100
Cedar Rapids is 15 points higher.
Alton: Wildfire exposure derived from ingested fire potential tiles.
Cedar Rapids: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Alton: 24/100 · Cedar Rapids: 26/100
Cedar Rapids 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.
Cedar Rapids: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.