City vs city
Alum Rock vs Milpitas, CA
Alum Rock currently scores 1 points higher overall than Milpitas, with the largest gap in hail.
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
Alum Rock: 23/100 · Milpitas: 22/100
Alum Rock is 1 points higher.
Flood
Alum Rock: 36/100 · Milpitas: 37/100
Milpitas is 1 points higher.
Alum Rock: FEMA NFHL flood zones: 26 features intersect this tile.
Milpitas: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Alum Rock: 2/100 · Milpitas: 2/100
No gap.
Alum Rock: Wind exposure derived from ingested design wind / climatology tiles.
Milpitas: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alum Rock: 0/100 · Milpitas: 0/100
No gap.
Alum Rock: Lightning exposure derived from ingested climatology tiles.
Milpitas: Lightning exposure derived from ingested climatology tiles.
Tornado
Alum Rock: 4/100 · Milpitas: 8/100
Milpitas is 4 points higher.
Alum Rock: Tornado risk derived from NOAA SPC historical reports.
Milpitas: Tornado risk derived from NOAA SPC historical reports.
Hail
Alum Rock: 12/100 · Milpitas: 2/100
Alum Rock is 10 points higher.
Alum Rock: Hail risk derived from NOAA SPC historical reports.
Milpitas: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alum Rock: Unavailable · Milpitas: Unavailable
A score difference cannot be calculated without both sources.
Alum Rock: Storm surge model is not available for this location yet.
Milpitas: Storm surge model is not available for this location yet.
Wildfire
Alum Rock: 65/100 · Milpitas: 59/100
Alum Rock is 6 points higher.
Alum Rock: Wildfire exposure derived from ingested fire potential tiles.
Milpitas: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Alum Rock: 20/100 · Milpitas: 24/100
Milpitas is 4 points higher.
Alum Rock: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Milpitas: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.