City vs city
Chicago vs Downers Grove, IL
Chicago and Downers Grove are tied on overall score, with the biggest factor difference in wildfire.
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
Chicago: 40/100 · Downers Grove: 40/100
No gap.
Flood
Chicago: 44/100 · Downers Grove: 47/100
Downers Grove is 3 points higher.
Chicago: FEMA NFHL flood zones: 10 features intersect this tile.
Downers Grove: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Chicago: 16/100 · Downers Grove: 16/100
No gap.
Chicago: Wind exposure derived from ingested design wind / climatology tiles.
Downers Grove: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chicago: 35/100 · Downers Grove: 41/100
Downers Grove is 6 points higher.
Chicago: Lightning exposure derived from ingested climatology tiles.
Downers Grove: Lightning exposure derived from ingested climatology tiles.
Tornado
Chicago: 27/100 · Downers Grove: 27/100
No gap.
Chicago: Tornado risk derived from NOAA SPC historical reports.
Downers Grove: Tornado risk derived from NOAA SPC historical reports.
Hail
Chicago: 100/100 · Downers Grove: 100/100
No gap.
Chicago: Hail risk derived from NOAA SPC historical reports.
Downers Grove: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chicago: Unavailable · Downers Grove: Unavailable
A score difference cannot be calculated without both sources.
Chicago: Storm surge model is not available for this location yet.
Downers Grove: Storm surge model is not available for this location yet.
Wildfire
Chicago: 27/100 · Downers Grove: 19/100
Chicago is 8 points higher.
Chicago: Wildfire exposure derived from ingested fire potential tiles.
Downers Grove: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chicago: 28/100 · Downers Grove: 31/100
Downers Grove is 3 points higher.
Chicago: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Downers 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.