City vs city
Oak Brook vs Westchester, IL
Oak Brook currently scores 4 points higher overall than Westchester, 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
Oak Brook: 37/100 · Westchester: 33/100
Oak Brook is 4 points higher.
Flood
Oak Brook: 40/100 · Westchester: 36/100
Oak Brook is 4 points higher.
Oak Brook: FEMA NFHL flood zones: 9 features intersect this tile.
Westchester: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Oak Brook: 16/100 · Westchester: 16/100
No gap.
Oak Brook: Wind exposure derived from ingested design wind / climatology tiles.
Westchester: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Oak Brook: 41/100 · Westchester: 39/100
Oak Brook is 2 points higher.
Oak Brook: Lightning exposure derived from ingested climatology tiles.
Westchester: Lightning exposure derived from ingested climatology tiles.
Tornado
Oak Brook: 23/100 · Westchester: 19/100
Oak Brook is 4 points higher.
Oak Brook: Tornado risk derived from NOAA SPC historical reports.
Westchester: Tornado risk derived from NOAA SPC historical reports.
Hail
Oak Brook: 93/100 · Westchester: 77/100
Oak Brook is 16 points higher.
Oak Brook: Hail risk derived from NOAA SPC historical reports.
Westchester: Hail risk derived from NOAA SPC historical reports.
Storm surge
Oak Brook: Unavailable · Westchester: Unavailable
A score difference cannot be calculated without both sources.
Oak Brook: Storm surge model is not available for this location yet.
Westchester: Storm surge model is not available for this location yet.
Wildfire
Oak Brook: 16/100 · Westchester: 13/100
Oak Brook is 3 points higher.
Oak Brook: Wildfire exposure derived from ingested fire potential tiles.
Westchester: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Oak Brook: 29/100 · Westchester: 30/100
Westchester is 1 points higher.
Oak Brook: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Westchester: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.