City vs city
Glen Ellyn vs Joliet, IL
Joliet currently scores 6 points higher overall than Glen Ellyn, 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
Glen Ellyn: 41/100 · Joliet: 47/100
Joliet is 6 points higher.
Flood
Glen Ellyn: 42/100 · Joliet: 44/100
Joliet is 2 points higher.
Glen Ellyn: FEMA NFHL flood zones: 11 features intersect this tile.
Joliet: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Glen Ellyn: 16/100 · Joliet: 16/100
No gap.
Glen Ellyn: Wind exposure derived from ingested design wind / climatology tiles.
Joliet: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Glen Ellyn: 42/100 · Joliet: 43/100
Joliet is 1 points higher.
Glen Ellyn: Lightning exposure derived from ingested climatology tiles.
Joliet: Lightning exposure derived from ingested climatology tiles.
Tornado
Glen Ellyn: 38/100 · Joliet: 81/100
Joliet is 43 points higher.
Glen Ellyn: Tornado risk derived from NOAA SPC historical reports.
Joliet: Tornado risk derived from NOAA SPC historical reports.
Hail
Glen Ellyn: 100/100 · Joliet: 96/100
Glen Ellyn is 4 points higher.
Glen Ellyn: Hail risk derived from NOAA SPC historical reports.
Joliet: Hail risk derived from NOAA SPC historical reports.
Storm surge
Glen Ellyn: Unavailable · Joliet: Unavailable
A score difference cannot be calculated without both sources.
Glen Ellyn: Storm surge model is not available for this location yet.
Joliet: Storm surge model is not available for this location yet.
Wildfire
Glen Ellyn: 18/100 · Joliet: 21/100
Joliet is 3 points higher.
Glen Ellyn: Wildfire exposure derived from ingested fire potential tiles.
Joliet: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Glen Ellyn: 31/100 · Joliet: 28/100
Glen Ellyn is 3 points higher.
Glen Ellyn: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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.