City vs city
Los Angeles vs Ontario, CA
Ontario currently scores 9 points higher overall than Los Angeles, 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
Los Angeles: 23/100 · Ontario: 32/100
Ontario is 9 points higher.
Flood
Los Angeles: 26/100 · Ontario: 41/100
Ontario is 15 points higher.
Los Angeles: FEMA NFHL flood zones: 2 features intersect this tile.
Ontario: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Los Angeles: 4/100 · Ontario: 5/100
Ontario is 1 points higher.
Los Angeles: Wind exposure derived from ingested design wind / climatology tiles.
Ontario: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Los Angeles: 0/100 · Ontario: 1/100
Ontario is 1 points higher.
Los Angeles: Lightning exposure derived from ingested climatology tiles.
Ontario: Lightning exposure derived from ingested climatology tiles.
Tornado
Los Angeles: 15/100 · Ontario: 0/100
Los Angeles is 15 points higher.
Los Angeles: Tornado risk derived from NOAA SPC historical reports.
Ontario: Tornado risk derived from NOAA SPC historical reports.
Hail
Los Angeles: 5/100 · Ontario: 0/100
Los Angeles is 5 points higher.
Los Angeles: Hail risk derived from NOAA SPC historical reports.
Ontario: Hail risk derived from NOAA SPC historical reports.
Storm surge
Los Angeles: Unavailable · Ontario: Unavailable
A score difference cannot be calculated without both sources.
Los Angeles: Storm surge model is not available for this location yet.
Ontario: Storm surge model is not available for this location yet.
Wildfire
Los Angeles: 69/100 · Ontario: 80/100
Ontario is 11 points higher.
Los Angeles: Wildfire exposure derived from ingested fire potential tiles.
Ontario: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Los Angeles: 21/100 · Ontario: 31/100
Ontario is 10 points higher.
Los Angeles: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Ontario: Air quality signal derived from the latest EPA AirNow combined AQI grid.