City vs city
San Francisco vs San Jose, CA
San Jose currently scores 11 points higher overall than San Francisco, with the largest gap 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
San Francisco: 19/100 · San Jose: 30/100
San Jose is 11 points higher.
Flood
San Francisco: 56/100 · San Jose: 48/100
San Francisco is 8 points higher.
San Francisco: FEMA NFHL flood zones: 16 features intersect this tile.
San Jose: FEMA NFHL flood zones: 25 features intersect this tile.
Wind
San Francisco: 2/100 · San Jose: 2/100
No gap.
San Francisco: Wind exposure derived from ingested design wind / climatology tiles.
San Jose: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
San Francisco: 0/100 · San Jose: 0/100
No gap.
San Francisco: Lightning exposure derived from ingested climatology tiles.
San Jose: Lightning exposure derived from ingested climatology tiles.
Tornado
San Francisco: 0/100 · San Jose: 0/100
No gap.
San Francisco: Tornado risk derived from NOAA SPC historical reports.
San Jose: Tornado risk derived from NOAA SPC historical reports.
Hail
San Francisco: 3/100 · San Jose: 11/100
San Jose is 8 points higher.
San Francisco: Hail risk derived from NOAA SPC historical reports.
San Jose: Hail risk derived from NOAA SPC historical reports.
Storm surge
San Francisco: Unavailable · San Jose: Unavailable
A score difference cannot be calculated without both sources.
San Francisco: Storm surge model is not available for this location yet.
San Jose: Storm surge model is not available for this location yet.
Wildfire
San Francisco: 8/100 · San Jose: 63/100
San Jose is 55 points higher.
San Francisco: Wildfire exposure derived from ingested fire potential tiles.
San Jose: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
San Francisco: 25/100 · San Jose: 27/100
San Jose is 2 points higher.
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.
San Jose: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.