City vs city
San Bruno vs San Francisco, CA
San Francisco currently scores 4 points higher overall than San Bruno, with the largest gap in hail.
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
San Bruno: 21/100 · San Francisco: 25/100
San Francisco is 4 points higher.
Flood
San Bruno: 31/100 · San Francisco: 26/100
San Bruno is 5 points higher.
San Bruno: FEMA NFHL flood zones: 9 features intersect this tile.
San Francisco: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
San Bruno: 2/100 · San Francisco: 2/100
No gap.
San Bruno: Wind exposure derived from ingested design wind / climatology tiles.
San Francisco: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
San Bruno: 0/100 · San Francisco: 0/100
No gap.
San Bruno: Lightning exposure derived from ingested climatology tiles.
San Francisco: Lightning exposure derived from ingested climatology tiles.
Tornado
San Bruno: 8/100 · San Francisco: 0/100
San Bruno is 8 points higher.
San Bruno: Tornado risk derived from NOAA SPC historical reports.
San Francisco: Tornado risk derived from NOAA SPC historical reports.
Hail
San Bruno: 5/100 · San Francisco: 18/100
San Francisco is 13 points higher.
San Bruno: Hail risk derived from NOAA SPC historical reports.
San Francisco: Hail risk derived from NOAA SPC historical reports.
Storm surge
San Bruno: Unavailable · San Francisco: Unavailable
A score difference cannot be calculated without both sources.
San Bruno: Storm surge model is not available for this location yet.
San Francisco: Storm surge model is not available for this location yet.
Wildfire
San Bruno: 54/100 · San Francisco: 52/100
San Bruno is 2 points higher.
San Bruno: Wildfire exposure derived from ingested fire potential tiles.
San Francisco: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
San Bruno: 25/100 · San Francisco: 25/100
No gap.
San Bruno: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Francisco: Air quality signal derived from the latest EPA AirNow combined AQI grid.