City vs city
Charleston vs Olney, IL
Charleston currently scores 2 points higher overall than Olney, 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
Charleston: 39/100 · Olney: 37/100
Charleston is 2 points higher.
Flood
Charleston: 54/100 · Olney: Unavailable
A score difference cannot be calculated without both sources.
Charleston: FEMA NFHL flood zones: 6 features intersect this tile.
Olney: Flood model is not available for this location yet.
Wind
Charleston: 15/100 · Olney: 15/100
No gap.
Charleston: Wind exposure derived from ingested design wind / climatology tiles.
Olney: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charleston: 57/100 · Olney: 66/100
Olney is 9 points higher.
Charleston: Lightning exposure derived from ingested climatology tiles.
Olney: Lightning exposure derived from ingested climatology tiles.
Tornado
Charleston: 27/100 · Olney: 54/100
Olney is 27 points higher.
Charleston: Tornado risk derived from NOAA SPC historical reports.
Olney: Tornado risk derived from NOAA SPC historical reports.
Hail
Charleston: 82/100 · Olney: 87/100
Olney is 5 points higher.
Charleston: Hail risk derived from NOAA SPC historical reports.
Olney: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charleston: Unavailable · Olney: Unavailable
A score difference cannot be calculated without both sources.
Charleston: Storm surge model is not available for this location yet.
Olney: Storm surge model is not available for this location yet.
Wildfire
Charleston: 9/100 · Olney: 5/100
Charleston is 4 points higher.
Charleston: Wildfire exposure derived from ingested fire potential tiles.
Olney: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Charleston: 31/100 · Olney: 30/100
Charleston is 1 points higher.
Charleston: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Olney: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.