City vs city
Darien vs Downers Grove, IL
Downers Grove currently scores 4 points higher overall than Darien, 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 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
Darien: 36/100 · Downers Grove: 40/100
Downers Grove is 4 points higher.
Flood
Darien: 43/100 · Downers Grove: 47/100
Downers Grove is 4 points higher.
Darien: FEMA NFHL flood zones: 12 features intersect this tile.
Downers Grove: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Darien: 16/100 · Downers Grove: 16/100
No gap.
Darien: Wind exposure derived from ingested design wind / climatology tiles.
Downers Grove: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Darien: 39/100 · Downers Grove: 41/100
Downers Grove is 2 points higher.
Darien: Lightning exposure derived from ingested climatology tiles.
Downers Grove: Lightning exposure derived from ingested climatology tiles.
Tornado
Darien: 8/100 · Downers Grove: 27/100
Downers Grove is 19 points higher.
Darien: Tornado risk derived from NOAA SPC historical reports.
Downers Grove: Tornado risk derived from NOAA SPC historical reports.
Hail
Darien: 100/100 · Downers Grove: 100/100
No gap.
Darien: Hail risk derived from NOAA SPC historical reports.
Downers Grove: Hail risk derived from NOAA SPC historical reports.
Storm surge
Darien: Unavailable · Downers Grove: Unavailable
A score difference cannot be calculated without both sources.
Darien: Storm surge model is not available for this location yet.
Downers Grove: Storm surge model is not available for this location yet.
Wildfire
Darien: 18/100 · Downers Grove: 19/100
Downers Grove is 1 points higher.
Darien: Wildfire exposure derived from ingested fire potential tiles.
Downers Grove: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Darien: 30/100 · Downers Grove: 31/100
Downers Grove is 1 points higher.
Darien: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Downers Grove: Air quality signal derived from the latest EPA AirNow combined AQI grid.