City vs city
Affton vs Bella Villa, MO
Bella Villa currently scores 1 points higher overall than Affton, 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
Affton: 39/100 · Bella Villa: 40/100
Bella Villa is 1 points higher.
Flood
Affton: 32/100 · Bella Villa: 33/100
Bella Villa is 1 points higher.
Affton: FEMA NFHL flood zones: 3 features intersect this tile.
Bella Villa: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Affton: 16/100 · Bella Villa: 16/100
No gap.
Affton: Wind exposure derived from ingested design wind / climatology tiles.
Bella Villa: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Affton: 41/100 · Bella Villa: 39/100
Affton is 2 points higher.
Affton: Lightning exposure derived from ingested climatology tiles.
Bella Villa: Lightning exposure derived from ingested climatology tiles.
Tornado
Affton: 12/100 · Bella Villa: 23/100
Bella Villa is 11 points higher.
Affton: Tornado risk derived from NOAA SPC historical reports.
Bella Villa: Tornado risk derived from NOAA SPC historical reports.
Hail
Affton: 100/100 · Bella Villa: 100/100
No gap.
Affton: Hail risk derived from NOAA SPC historical reports.
Bella Villa: Hail risk derived from NOAA SPC historical reports.
Storm surge
Affton: Unavailable · Bella Villa: Unavailable
A score difference cannot be calculated without both sources.
Affton: Storm surge model is not available for this location yet.
Bella Villa: Storm surge model is not available for this location yet.
Wildfire
Affton: 44/100 · Bella Villa: 42/100
Affton is 2 points higher.
Affton: Wildfire exposure derived from ingested fire potential tiles.
Bella Villa: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Affton: 27/100 · Bella Villa: 27/100
No gap.
Affton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Bella Villa: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.