City vs city
East Palo Alto vs Sunnyvale, CA
East Palo Alto currently scores 3 points higher overall than Sunnyvale, 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
East Palo Alto: 32/100 · Sunnyvale: 29/100
East Palo Alto is 3 points higher.
Flood
East Palo Alto: 68/100 · Sunnyvale: 52/100
East Palo Alto is 16 points higher.
East Palo Alto: FEMA NFHL flood zones: 20 features intersect this tile.
Sunnyvale: FEMA NFHL flood zones: 16 features intersect this tile.
Wind
East Palo Alto: 2/100 · Sunnyvale: 2/100
No gap.
East Palo Alto: Wind exposure derived from ingested design wind / climatology tiles.
Sunnyvale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
East Palo Alto: 0/100 · Sunnyvale: 0/100
No gap.
East Palo Alto: Lightning exposure derived from ingested climatology tiles.
Sunnyvale: Lightning exposure derived from ingested climatology tiles.
Tornado
East Palo Alto: 0/100 · Sunnyvale: 19/100
Sunnyvale is 19 points higher.
East Palo Alto: Tornado risk derived from NOAA SPC historical reports.
Sunnyvale: Tornado risk derived from NOAA SPC historical reports.
Hail
East Palo Alto: 4/100 · Sunnyvale: 11/100
Sunnyvale is 7 points higher.
East Palo Alto: Hail risk derived from NOAA SPC historical reports.
Sunnyvale: Hail risk derived from NOAA SPC historical reports.
Storm surge
East Palo Alto: Unavailable · Sunnyvale: Unavailable
A score difference cannot be calculated without both sources.
East Palo Alto: Storm surge model is not available for this location yet.
Sunnyvale: Storm surge model is not available for this location yet.
Wildfire
East Palo Alto: 62/100 · Sunnyvale: 63/100
Sunnyvale is 1 points higher.
East Palo Alto: Wildfire exposure derived from ingested fire potential tiles.
Sunnyvale: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
East Palo Alto: 22/100 · Sunnyvale: 26/100
Sunnyvale is 4 points higher.
East Palo Alto: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sunnyvale: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.