City vs city
Chatham vs Leland Grove, IL
Leland Grove currently scores 13 points higher overall than Chatham, 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
Chatham: 41/100 · Leland Grove: 54/100
Leland Grove is 13 points higher.
Flood
Chatham: 39/100 · Leland Grove: 43/100
Leland Grove is 4 points higher.
Chatham: FEMA NFHL flood zones: 6 features intersect this tile.
Leland Grove: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Chatham: 16/100 · Leland Grove: 16/100
No gap.
Chatham: Wind exposure derived from ingested design wind / climatology tiles.
Leland Grove: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chatham: 63/100 · Leland Grove: 62/100
Chatham is 1 points higher.
Chatham: Lightning exposure derived from ingested climatology tiles.
Leland Grove: Lightning exposure derived from ingested climatology tiles.
Tornado
Chatham: 15/100 · Leland Grove: 100/100
Leland Grove is 85 points higher.
Chatham: Tornado risk derived from NOAA SPC historical reports.
Leland Grove: Tornado risk derived from NOAA SPC historical reports.
Hail
Chatham: 100/100 · Leland Grove: 100/100
No gap.
Chatham: Hail risk derived from NOAA SPC historical reports.
Leland Grove: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chatham: Unavailable · Leland Grove: Unavailable
A score difference cannot be calculated without both sources.
Chatham: Storm surge model is not available for this location yet.
Leland Grove: Storm surge model is not available for this location yet.
Wildfire
Chatham: 23/100 · Leland Grove: 27/100
Leland Grove is 4 points higher.
Chatham: Wildfire exposure derived from ingested fire potential tiles.
Leland Grove: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chatham: 28/100 · Leland Grove: 28/100
No gap.
Chatham: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Leland Grove: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.