City vs city
Riverside vs San Ramon, CA
Riverside and San Ramon 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 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
Riverside: 27/100 · San Ramon: 27/100
No gap.
Flood
Riverside: 33/100 · San Ramon: 33/100
No gap.
Riverside: FEMA NFHL flood zones: 10 features intersect this tile.
San Ramon: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Riverside: 5/100 · San Ramon: 2/100
Riverside is 3 points higher.
Riverside: Wind exposure derived from ingested design wind / climatology tiles.
San Ramon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Riverside: 2/100 · San Ramon: 0/100
Riverside is 2 points higher.
Riverside: Lightning exposure derived from ingested climatology tiles.
San Ramon: Lightning exposure derived from ingested climatology tiles.
Tornado
Riverside: 8/100 · San Ramon: 0/100
Riverside is 8 points higher.
Riverside: Tornado risk derived from NOAA SPC historical reports.
San Ramon: Tornado risk derived from NOAA SPC historical reports.
Hail
Riverside: 0/100 · San Ramon: 4/100
San Ramon is 4 points higher.
Riverside: Hail risk derived from NOAA SPC historical reports.
San Ramon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Riverside: Unavailable · San Ramon: Unavailable
A score difference cannot be calculated without both sources.
Riverside: Storm surge model is not available for this location yet.
San Ramon: Storm surge model is not available for this location yet.
Wildfire
Riverside: 83/100 · San Ramon: 73/100
Riverside is 10 points higher.
Riverside: Wildfire exposure derived from ingested fire potential tiles.
San Ramon: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Riverside: 32/100 · San Ramon: 24/100
Riverside is 8 points higher.
Riverside: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Ramon: Air quality signal derived from the latest EPA AirNow combined AQI grid.