City vs city
Fontana vs San Jose, CA
Fontana currently scores 8 points higher overall than San Jose, 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 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
Fontana: 30/100 · San Jose: 22/100
Fontana is 8 points higher.
Flood
Fontana: 26/100 · San Jose: 37/100
San Jose is 11 points higher.
Fontana: FEMA NFHL flood zones: 9 features intersect this tile.
San Jose: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Fontana: 5/100 · San Jose: 2/100
Fontana is 3 points higher.
Fontana: Wind exposure derived from ingested design wind / climatology tiles.
San Jose: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Fontana: 2/100 · San Jose: 0/100
Fontana is 2 points higher.
Fontana: Lightning exposure derived from ingested climatology tiles.
San Jose: Lightning exposure derived from ingested climatology tiles.
Tornado
Fontana: 0/100 · San Jose: 8/100
San Jose is 8 points higher.
Fontana: Tornado risk derived from NOAA SPC historical reports.
San Jose: Tornado risk derived from NOAA SPC historical reports.
Hail
Fontana: 0/100 · San Jose: 2/100
San Jose is 2 points higher.
Fontana: Hail risk derived from NOAA SPC historical reports.
San Jose: Hail risk derived from NOAA SPC historical reports.
Storm surge
Fontana: Unavailable · San Jose: Unavailable
A score difference cannot be calculated without both sources.
Fontana: Storm surge model is not available for this location yet.
San Jose: Storm surge model is not available for this location yet.
Wildfire
Fontana: 85/100 · San Jose: 59/100
Fontana is 26 points higher.
Fontana: Wildfire exposure derived from ingested fire potential tiles.
San Jose: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Fontana: 32/100 · San Jose: 24/100
Fontana is 8 points higher.
Fontana: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Jose: Air quality signal derived from the latest EPA AirNow combined AQI grid.