City vs city
Aurora vs Boulder Hill, IL
Aurora and Boulder Hill are tied on overall score, with the biggest factor difference in flood.
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
Aurora: 42/100 · Boulder Hill: 42/100
No gap.
Flood
Aurora: 43/100 · Boulder Hill: 43/100
No gap.
Aurora: FEMA NFHL flood zones: 15 features intersect this tile.
Boulder Hill: FEMA NFHL flood zones: 15 features intersect this tile.
Wind
Aurora: 16/100 · Boulder Hill: 16/100
No gap.
Aurora: Wind exposure derived from ingested design wind / climatology tiles.
Boulder Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Aurora: 44/100 · Boulder Hill: 44/100
No gap.
Aurora: Lightning exposure derived from ingested climatology tiles.
Boulder Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Aurora: 42/100 · Boulder Hill: 42/100
No gap.
Aurora: Tornado risk derived from NOAA SPC historical reports.
Boulder Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Aurora: 100/100 · Boulder Hill: 100/100
No gap.
Aurora: Hail risk derived from NOAA SPC historical reports.
Boulder Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Aurora: Unavailable · Boulder Hill: Unavailable
A score difference cannot be calculated without both sources.
Aurora: Storm surge model is not available for this location yet.
Boulder Hill: Storm surge model is not available for this location yet.
Wildfire
Aurora: 21/100 · Boulder Hill: 21/100
No gap.
Aurora: Wildfire exposure derived from ingested fire potential tiles.
Boulder Hill: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Aurora: 29/100 · Boulder Hill: 29/100
No gap.
Aurora: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Boulder Hill: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.