City vs city
Foothill Farms vs San Francisco, CA
Foothill Farms and San Francisco are tied on overall score, with the biggest factor difference in wildfire.
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
Foothill Farms: 25/100 · San Francisco: 25/100
No gap.
Flood
Foothill Farms: 32/100 · San Francisco: 26/100
Foothill Farms is 6 points higher.
Foothill Farms: FEMA NFHL flood zones: 11 features intersect this tile.
San Francisco: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Foothill Farms: 4/100 · San Francisco: 2/100
Foothill Farms is 2 points higher.
Foothill Farms: Wind exposure derived from ingested design wind / climatology tiles.
San Francisco: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Foothill Farms: 0/100 · San Francisco: 0/100
No gap.
Foothill Farms: Lightning exposure derived from ingested climatology tiles.
San Francisco: Lightning exposure derived from ingested climatology tiles.
Tornado
Foothill Farms: 4/100 · San Francisco: 0/100
Foothill Farms is 4 points higher.
Foothill Farms: Tornado risk derived from NOAA SPC historical reports.
San Francisco: Tornado risk derived from NOAA SPC historical reports.
Hail
Foothill Farms: 7/100 · San Francisco: 18/100
San Francisco is 11 points higher.
Foothill Farms: Hail risk derived from NOAA SPC historical reports.
San Francisco: Hail risk derived from NOAA SPC historical reports.
Storm surge
Foothill Farms: Unavailable · San Francisco: Unavailable
A score difference cannot be calculated without both sources.
Foothill Farms: Storm surge model is not available for this location yet.
San Francisco: Storm surge model is not available for this location yet.
Wildfire
Foothill Farms: 76/100 · San Francisco: 52/100
Foothill Farms is 24 points higher.
Foothill Farms: Wildfire exposure derived from ingested fire potential tiles.
San Francisco: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Foothill Farms: 27/100 · San Francisco: 25/100
Foothill Farms is 2 points higher.
Foothill Farms: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
San Francisco: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.