City vs city
East Alton vs Edwardsville, IL
East Alton currently scores 14 points higher overall than Edwardsville, with the largest gap in tornado.
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
East Alton: 50/100 · Edwardsville: 36/100
East Alton is 14 points higher.
Flood
East Alton: 77/100 · Edwardsville: Unavailable
A score difference cannot be calculated without both sources.
East Alton: FEMA NFHL flood zones: 5 features intersect this tile.
Edwardsville: Flood model is not available for this location yet.
Wind
East Alton: 16/100 · Edwardsville: 16/100
No gap.
East Alton: Wind exposure derived from ingested design wind / climatology tiles.
Edwardsville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
East Alton: 48/100 · Edwardsville: 42/100
East Alton is 6 points higher.
East Alton: Lightning exposure derived from ingested climatology tiles.
Edwardsville: Lightning exposure derived from ingested climatology tiles.
Tornado
East Alton: 46/100 · Edwardsville: 35/100
East Alton is 11 points higher.
East Alton: Tornado risk derived from NOAA SPC historical reports.
Edwardsville: Tornado risk derived from NOAA SPC historical reports.
Hail
East Alton: 99/100 · Edwardsville: 100/100
Edwardsville is 1 points higher.
East Alton: Hail risk derived from NOAA SPC historical reports.
Edwardsville: Hail risk derived from NOAA SPC historical reports.
Storm surge
East Alton: Unavailable · Edwardsville: Unavailable
A score difference cannot be calculated without both sources.
East Alton: Storm surge model is not available for this location yet.
Edwardsville: Storm surge model is not available for this location yet.
Wildfire
East Alton: 29/100 · Edwardsville: 29/100
No gap.
East Alton: Wildfire exposure derived from ingested fire potential tiles.
Edwardsville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
East Alton: 35/100 · Edwardsville: 32/100
East Alton is 3 points higher.
East 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.
Edwardsville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.