City vs city
Bluffs vs Chatham, IL
Chatham currently scores 7 points higher overall than Bluffs, 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
Bluffs: 34/100 · Chatham: 41/100
Chatham is 7 points higher.
Flood
Bluffs: 84/100 · Chatham: 39/100
Bluffs is 45 points higher.
Bluffs: FEMA NFHL flood zones: 6 features intersect this tile.
Chatham: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Bluffs: 16/100 · Chatham: 16/100
No gap.
Bluffs: Wind exposure derived from ingested design wind / climatology tiles.
Chatham: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Bluffs: 48/100 · Chatham: 63/100
Chatham is 15 points higher.
Bluffs: Lightning exposure derived from ingested climatology tiles.
Chatham: Lightning exposure derived from ingested climatology tiles.
Tornado
Bluffs: 8/100 · Chatham: 15/100
Chatham is 7 points higher.
Bluffs: Tornado risk derived from NOAA SPC historical reports.
Chatham: Tornado risk derived from NOAA SPC historical reports.
Hail
Bluffs: 31/100 · Chatham: 100/100
Chatham is 69 points higher.
Bluffs: Hail risk derived from NOAA SPC historical reports.
Chatham: Hail risk derived from NOAA SPC historical reports.
Storm surge
Bluffs: Unavailable · Chatham: Unavailable
A score difference cannot be calculated without both sources.
Bluffs: Storm surge model is not available for this location yet.
Chatham: Storm surge model is not available for this location yet.
Wildfire
Bluffs: 24/100 · Chatham: 23/100
Bluffs is 1 points higher.
Bluffs: Wildfire exposure derived from ingested fire potential tiles.
Chatham: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Bluffs: 29/100 · Chatham: 28/100
Bluffs is 1 points higher.
Bluffs: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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.