City vs city
Rancho Cucamonga vs San Diego, CA
Rancho Cucamonga currently scores 9 points higher overall than San Diego, with the largest gap in tornado.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Rancho Cucamonga: 31/100 · San Diego: 22/100
Rancho Cucamonga is 9 points higher.
Flood
Rancho Cucamonga: 36/100 · San Diego: 39/100
San Diego is 3 points higher.
Rancho Cucamonga: FEMA NFHL flood zones: 14 features intersect this tile.
San Diego: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Rancho Cucamonga: 5/100 · San Diego: 6/100
San Diego is 1 points higher.
Rancho Cucamonga: Wind exposure derived from ingested design wind / climatology tiles.
San Diego: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rancho Cucamonga: 2/100 · San Diego: 1/100
Rancho Cucamonga is 1 points higher.
Rancho Cucamonga: Lightning exposure derived from ingested climatology tiles.
San Diego: Lightning exposure derived from ingested climatology tiles.
Tornado
Rancho Cucamonga: 0/100 · San Diego: 12/100
San Diego is 12 points higher.
Rancho Cucamonga: Tornado risk derived from NOAA SPC historical reports.
San Diego: Tornado risk derived from NOAA SPC historical reports.
Hail
Rancho Cucamonga: 0/100 · San Diego: 5/100
San Diego is 5 points higher.
Rancho Cucamonga: Hail risk derived from NOAA SPC historical reports.
San Diego: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rancho Cucamonga: Unavailable · San Diego: Unavailable
A score difference cannot be calculated without both sources.
Rancho Cucamonga: Storm surge model is not available for this location yet.
San Diego: Storm surge model is not available for this location yet.
Wildfire
Rancho Cucamonga: 81/100 · San Diego: 69/100
Rancho Cucamonga is 12 points higher.
Rancho Cucamonga: Wildfire exposure derived from ingested fire potential tiles.
San Diego: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Rancho Cucamonga: 32/100 · San Diego: 24/100
Rancho Cucamonga is 8 points higher.
Rancho Cucamonga: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
San Diego: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.