City vs city
Joliet vs Prospect Heights, IL
Joliet currently scores 10 points higher overall than Prospect Heights, 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 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
Joliet: 47/100 · Prospect Heights: 37/100
Joliet is 10 points higher.
Flood
Joliet: 44/100 · Prospect Heights: 59/100
Prospect Heights is 15 points higher.
Joliet: FEMA NFHL flood zones: 13 features intersect this tile.
Prospect Heights: FEMA NFHL flood zones: 18 features intersect this tile.
Wind
Joliet: 16/100 · Prospect Heights: 16/100
No gap.
Joliet: Wind exposure derived from ingested design wind / climatology tiles.
Prospect Heights: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Joliet: 43/100 · Prospect Heights: 47/100
Prospect Heights is 4 points higher.
Joliet: Lightning exposure derived from ingested climatology tiles.
Prospect Heights: Lightning exposure derived from ingested climatology tiles.
Tornado
Joliet: 81/100 · Prospect Heights: 15/100
Joliet is 66 points higher.
Joliet: Tornado risk derived from NOAA SPC historical reports.
Prospect Heights: Tornado risk derived from NOAA SPC historical reports.
Hail
Joliet: 96/100 · Prospect Heights: 75/100
Joliet is 21 points higher.
Joliet: Hail risk derived from NOAA SPC historical reports.
Prospect Heights: Hail risk derived from NOAA SPC historical reports.
Storm surge
Joliet: Unavailable · Prospect Heights: Unavailable
A score difference cannot be calculated without both sources.
Joliet: Storm surge model is not available for this location yet.
Prospect Heights: Storm surge model is not available for this location yet.
Wildfire
Joliet: 21/100 · Prospect Heights: 25/100
Prospect Heights is 4 points higher.
Joliet: Wildfire exposure derived from ingested fire potential tiles.
Prospect Heights: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Joliet: 28/100 · Prospect Heights: 22/100
Joliet is 6 points higher.
Joliet: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Prospect Heights: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.