City vs city
San Diego vs Santa Ana, CA
San Diego currently scores 16 points higher overall than Santa Ana, 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
San Diego: 40/100 · Santa Ana: 24/100
San Diego is 16 points higher.
Flood
San Diego: 100/100 · Santa Ana: 36/100
San Diego is 64 points higher.
San Diego: FEMA NFHL flood zones: 10 features intersect this tile.
Santa Ana: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
San Diego: 5/100 · Santa Ana: 5/100
No gap.
San Diego: Wind exposure derived from ingested design wind / climatology tiles.
Santa Ana: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
San Diego: 0/100 · Santa Ana: 1/100
Santa Ana is 1 points higher.
San Diego: Lightning exposure derived from ingested climatology tiles.
Santa Ana: Lightning exposure derived from ingested climatology tiles.
Tornado
San Diego: 0/100 · Santa Ana: 12/100
Santa Ana is 12 points higher.
San Diego: Tornado risk derived from NOAA SPC historical reports.
Santa Ana: Tornado risk derived from NOAA SPC historical reports.
Hail
San Diego: 1/100 · Santa Ana: 13/100
Santa Ana is 12 points higher.
San Diego: Hail risk derived from NOAA SPC historical reports.
Santa Ana: Hail risk derived from NOAA SPC historical reports.
Storm surge
San Diego: Unavailable · Santa Ana: Unavailable
A score difference cannot be calculated without both sources.
San Diego: Storm surge model is not available for this location yet.
Santa Ana: Storm surge model is not available for this location yet.
Wildfire
San Diego: 69/100 · Santa Ana: 71/100
Santa Ana is 2 points higher.
San Diego: Wildfire exposure derived from ingested fire potential tiles.
Santa Ana: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
San Diego: 24/100 · Santa Ana: 30/100
Santa Ana is 6 points higher.
San Diego: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Santa Ana: Air quality signal derived from the latest EPA AirNow combined AQI grid.