City vs city
Chicago vs St. Charles, IL
Chicago currently scores 5 points higher overall than St. Charles, 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 is a current EPA AirNow signal; 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
Chicago: 40/100 · St. Charles: 35/100
Chicago is 5 points higher.
Flood
Chicago: 44/100 · St. Charles: 36/100
Chicago is 8 points higher.
Chicago: FEMA NFHL flood zones: 10 features intersect this tile.
St. Charles: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Chicago: 16/100 · St. Charles: 16/100
No gap.
Chicago: Wind exposure derived from ingested design wind / climatology tiles.
St. Charles: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chicago: 35/100 · St. Charles: 50/100
St. Charles is 15 points higher.
Chicago: Lightning exposure derived from ingested climatology tiles.
St. Charles: Lightning exposure derived from ingested climatology tiles.
Tornado
Chicago: 27/100 · St. Charles: 15/100
Chicago is 12 points higher.
Chicago: Tornado risk derived from NOAA SPC historical reports.
St. Charles: Tornado risk derived from NOAA SPC historical reports.
Hail
Chicago: 100/100 · St. Charles: 76/100
Chicago is 24 points higher.
Chicago: Hail risk derived from NOAA SPC historical reports.
St. Charles: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chicago: Unavailable · St. Charles: Unavailable
A score difference cannot be calculated without both sources.
Chicago: Storm surge model is not available for this location yet.
St. Charles: Storm surge model is not available for this location yet.
Wildfire
Chicago: 27/100 · St. Charles: 23/100
Chicago is 4 points higher.
Chicago: Wildfire exposure derived from ingested fire potential tiles.
St. Charles: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chicago: 28/100 · St. Charles: 30/100
St. Charles is 2 points higher.
Chicago: Air quality signal derived from the latest EPA AirNow combined AQI grid.
St. Charles: Air quality signal derived from the latest EPA AirNow combined AQI grid.