City vs city
Duncanville vs San Antonio, TX
Duncanville currently scores 7 points higher overall than San Antonio, 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 is a current EPA AirNow signal; 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
Duncanville: 46/100 · San Antonio: 39/100
Duncanville is 7 points higher.
Flood
Duncanville: 35/100 · San Antonio: 34/100
Duncanville is 1 points higher.
Duncanville: FEMA NFHL flood zones: 12 features intersect this tile.
San Antonio: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Duncanville: 14/100 · San Antonio: 17/100
San Antonio is 3 points higher.
Duncanville: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Duncanville: 54/100 · San Antonio: 35/100
Duncanville is 19 points higher.
Duncanville: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Duncanville: 35/100 · San Antonio: 4/100
Duncanville is 31 points higher.
Duncanville: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Duncanville: 100/100 · San Antonio: 100/100
No gap.
Duncanville: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Duncanville: Unavailable · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Duncanville: Storm surge model is not available for this location yet.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Duncanville: 55/100 · San Antonio: 54/100
Duncanville is 1 points higher.
Duncanville: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Duncanville: 30/100 · San Antonio: 30/100
No gap.
Duncanville: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Antonio: Air quality signal derived from the latest EPA AirNow combined AQI grid.