City vs city
Ontario vs Riverside, CA
Ontario currently scores 5 points higher overall than Riverside, with the largest gap in flood.
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
Ontario: 32/100 · Riverside: 27/100
Ontario is 5 points higher.
Flood
Ontario: 41/100 · Riverside: 33/100
Ontario is 8 points higher.
Ontario: FEMA NFHL flood zones: 14 features intersect this tile.
Riverside: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Ontario: 5/100 · Riverside: 5/100
No gap.
Ontario: Wind exposure derived from ingested design wind / climatology tiles.
Riverside: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Ontario: 1/100 · Riverside: 2/100
Riverside is 1 points higher.
Ontario: Lightning exposure derived from ingested climatology tiles.
Riverside: Lightning exposure derived from ingested climatology tiles.
Tornado
Ontario: 0/100 · Riverside: 8/100
Riverside is 8 points higher.
Ontario: Tornado risk derived from NOAA SPC historical reports.
Riverside: Tornado risk derived from NOAA SPC historical reports.
Hail
Ontario: 0/100 · Riverside: 0/100
No gap.
Ontario: Hail risk derived from NOAA SPC historical reports.
Riverside: Hail risk derived from NOAA SPC historical reports.
Storm surge
Ontario: Unavailable · Riverside: Unavailable
A score difference cannot be calculated without both sources.
Ontario: Storm surge model is not available for this location yet.
Riverside: Storm surge model is not available for this location yet.
Wildfire
Ontario: 80/100 · Riverside: 83/100
Riverside is 3 points higher.
Ontario: Wildfire exposure derived from ingested fire potential tiles.
Riverside: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Ontario: 31/100 · Riverside: 32/100
Riverside is 1 points higher.
Ontario: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Riverside: Air quality signal derived from the latest EPA AirNow combined AQI grid.