City vs city
Piñon Hills vs Rancho Cucamonga, CA
Rancho Cucamonga currently scores 7 points higher overall than Piñon Hills, with the largest gap 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
Piñon Hills: 24/100 · Rancho Cucamonga: 31/100
Rancho Cucamonga is 7 points higher.
Flood
Piñon Hills: 47/100 · Rancho Cucamonga: 36/100
Piñon Hills is 11 points higher.
Piñon Hills: FEMA NFHL flood zones: 11 features intersect this tile.
Rancho Cucamonga: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Piñon Hills: 5/100 · Rancho Cucamonga: 5/100
No gap.
Piñon Hills: Wind exposure derived from ingested design wind / climatology tiles.
Rancho Cucamonga: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Piñon Hills: 2/100 · Rancho Cucamonga: 2/100
No gap.
Piñon Hills: Lightning exposure derived from ingested climatology tiles.
Rancho Cucamonga: Lightning exposure derived from ingested climatology tiles.
Tornado
Piñon Hills: 0/100 · Rancho Cucamonga: 0/100
No gap.
Piñon Hills: Tornado risk derived from NOAA SPC historical reports.
Rancho Cucamonga: Tornado risk derived from NOAA SPC historical reports.
Hail
Piñon Hills: 1/100 · Rancho Cucamonga: 0/100
Piñon Hills is 1 points higher.
Piñon Hills: Hail risk derived from NOAA SPC historical reports.
Rancho Cucamonga: Hail risk derived from NOAA SPC historical reports.
Storm surge
Piñon Hills: Unavailable · Rancho Cucamonga: Unavailable
A score difference cannot be calculated without both sources.
Piñon Hills: Storm surge model is not available for this location yet.
Rancho Cucamonga: Storm surge model is not available for this location yet.
Wildfire
Piñon Hills: 66/100 · Rancho Cucamonga: 81/100
Rancho Cucamonga is 15 points higher.
Piñon Hills: Wildfire exposure derived from ingested fire potential tiles.
Rancho Cucamonga: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Piñon Hills: 25/100 · Rancho Cucamonga: 32/100
Rancho Cucamonga is 7 points higher.
Piñon Hills: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rancho Cucamonga: Air quality signal derived from the latest EPA AirNow combined AQI grid.