City vs city
Carol Stream vs Glen Ellyn, IL
Glen Ellyn currently scores 6 points higher overall than Carol Stream, 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
Carol Stream: 35/100 · Glen Ellyn: 41/100
Glen Ellyn is 6 points higher.
Flood
Carol Stream: 43/100 · Glen Ellyn: 42/100
Carol Stream is 1 points higher.
Carol Stream: FEMA NFHL flood zones: 8 features intersect this tile.
Glen Ellyn: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Carol Stream: 16/100 · Glen Ellyn: 16/100
No gap.
Carol Stream: Wind exposure derived from ingested design wind / climatology tiles.
Glen Ellyn: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Carol Stream: 46/100 · Glen Ellyn: 42/100
Carol Stream is 4 points higher.
Carol Stream: Lightning exposure derived from ingested climatology tiles.
Glen Ellyn: Lightning exposure derived from ingested climatology tiles.
Tornado
Carol Stream: 23/100 · Glen Ellyn: 38/100
Glen Ellyn is 15 points higher.
Carol Stream: Tornado risk derived from NOAA SPC historical reports.
Glen Ellyn: Tornado risk derived from NOAA SPC historical reports.
Hail
Carol Stream: 64/100 · Glen Ellyn: 100/100
Glen Ellyn is 36 points higher.
Carol Stream: Hail risk derived from NOAA SPC historical reports.
Glen Ellyn: Hail risk derived from NOAA SPC historical reports.
Storm surge
Carol Stream: Unavailable · Glen Ellyn: Unavailable
A score difference cannot be calculated without both sources.
Carol Stream: Storm surge model is not available for this location yet.
Glen Ellyn: Storm surge model is not available for this location yet.
Wildfire
Carol Stream: 22/100 · Glen Ellyn: 18/100
Carol Stream is 4 points higher.
Carol Stream: Wildfire exposure derived from ingested fire potential tiles.
Glen Ellyn: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Carol Stream: 30/100 · Glen Ellyn: 31/100
Glen Ellyn is 1 points higher.
Carol Stream: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
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.