City vs city
Biggsville vs Rock Island, IL
Rock Island currently scores 9 points higher overall than Biggsville, 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
Biggsville: 31/100 · Rock Island: 40/100
Rock Island is 9 points higher.
Flood
Biggsville: 36/100 · Rock Island: 48/100
Rock Island is 12 points higher.
Biggsville: FEMA NFHL flood zones: 4 features intersect this tile.
Rock Island: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Biggsville: 17/100 · Rock Island: 17/100
No gap.
Biggsville: Wind exposure derived from ingested design wind / climatology tiles.
Rock Island: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Biggsville: 54/100 · Rock Island: 42/100
Biggsville is 12 points higher.
Biggsville: Lightning exposure derived from ingested climatology tiles.
Rock Island: Lightning exposure derived from ingested climatology tiles.
Tornado
Biggsville: 0/100 · Rock Island: 15/100
Rock Island is 15 points higher.
Biggsville: Tornado risk derived from NOAA SPC historical reports.
Rock Island: Tornado risk derived from NOAA SPC historical reports.
Hail
Biggsville: 31/100 · Rock Island: 100/100
Rock Island is 69 points higher.
Biggsville: Hail risk derived from NOAA SPC historical reports.
Rock Island: Hail risk derived from NOAA SPC historical reports.
Storm surge
Biggsville: Unavailable · Rock Island: Unavailable
A score difference cannot be calculated without both sources.
Biggsville: Storm surge model is not available for this location yet.
Rock Island: Storm surge model is not available for this location yet.
Wildfire
Biggsville: 21/100 · Rock Island: 33/100
Rock Island is 12 points higher.
Biggsville: Wildfire exposure derived from ingested fire potential tiles.
Rock Island: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Biggsville: 25/100 · Rock Island: 26/100
Rock Island is 1 points higher.
Biggsville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Rock Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.