City vs city
Algonquin vs Sleepy Hollow, IL
Algonquin currently scores 2 points higher overall than Sleepy Hollow, 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
Algonquin: 35/100 · Sleepy Hollow: 33/100
Algonquin is 2 points higher.
Flood
Algonquin: 38/100 · Sleepy Hollow: 43/100
Sleepy Hollow is 5 points higher.
Algonquin: FEMA NFHL flood zones: 8 features intersect this tile.
Sleepy Hollow: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Algonquin: 16/100 · Sleepy Hollow: 16/100
No gap.
Algonquin: Wind exposure derived from ingested design wind / climatology tiles.
Sleepy Hollow: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Algonquin: 56/100 · Sleepy Hollow: 53/100
Algonquin is 3 points higher.
Algonquin: Lightning exposure derived from ingested climatology tiles.
Sleepy Hollow: Lightning exposure derived from ingested climatology tiles.
Tornado
Algonquin: 15/100 · Sleepy Hollow: 0/100
Algonquin is 15 points higher.
Algonquin: Tornado risk derived from NOAA SPC historical reports.
Sleepy Hollow: Tornado risk derived from NOAA SPC historical reports.
Hail
Algonquin: 62/100 · Sleepy Hollow: 40/100
Algonquin is 22 points higher.
Algonquin: Hail risk derived from NOAA SPC historical reports.
Sleepy Hollow: Hail risk derived from NOAA SPC historical reports.
Storm surge
Algonquin: Unavailable · Sleepy Hollow: Unavailable
A score difference cannot be calculated without both sources.
Algonquin: Storm surge model is not available for this location yet.
Sleepy Hollow: Storm surge model is not available for this location yet.
Wildfire
Algonquin: 27/100 · Sleepy Hollow: 18/100
Algonquin is 9 points higher.
Algonquin: Wildfire exposure derived from ingested fire potential tiles.
Sleepy Hollow: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Algonquin: 28/100 · Sleepy Hollow: 30/100
Sleepy Hollow is 2 points higher.
Algonquin: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sleepy Hollow: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.