City vs city
Cahokia Heights vs Swansea, IL
Swansea currently scores 8 points higher overall than Cahokia 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
Cahokia Heights: 32/100 · Swansea: 40/100
Swansea is 8 points higher.
Flood
Cahokia Heights: 0/100 · Swansea: Unavailable
A score difference cannot be calculated without both sources.
Cahokia Heights: FEMA NFHL flood zones: 0 features intersect this tile.
Swansea: Flood model is not available for this location yet.
Wind
Cahokia Heights: 16/100 · Swansea: 16/100
No gap.
Cahokia Heights: Wind exposure derived from ingested design wind / climatology tiles.
Swansea: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Cahokia Heights: 38/100 · Swansea: 35/100
Cahokia Heights is 3 points higher.
Cahokia Heights: Lightning exposure derived from ingested climatology tiles.
Swansea: Lightning exposure derived from ingested climatology tiles.
Tornado
Cahokia Heights: 8/100 · Swansea: 73/100
Swansea is 65 points higher.
Cahokia Heights: Tornado risk derived from NOAA SPC historical reports.
Swansea: Tornado risk derived from NOAA SPC historical reports.
Hail
Cahokia Heights: 100/100 · Swansea: 100/100
No gap.
Cahokia Heights: Hail risk derived from NOAA SPC historical reports.
Swansea: Hail risk derived from NOAA SPC historical reports.
Storm surge
Cahokia Heights: Unavailable · Swansea: Unavailable
A score difference cannot be calculated without both sources.
Cahokia Heights: Storm surge model is not available for this location yet.
Swansea: Storm surge model is not available for this location yet.
Wildfire
Cahokia Heights: 31/100 · Swansea: 30/100
Cahokia Heights is 1 points higher.
Cahokia Heights: Wildfire exposure derived from ingested fire potential tiles.
Swansea: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Cahokia Heights: 28/100 · Swansea: 29/100
Swansea is 1 points higher.
Cahokia 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.
Swansea: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.