City vs city
San Diego vs Simi Valley, CA
San Diego currently scores 14 points higher overall than Simi Valley, 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 · Simi Valley: 26/100
San Diego is 14 points higher.
Flood
San Diego: 100/100 · Simi Valley: 29/100
San Diego is 71 points higher.
San Diego: FEMA NFHL flood zones: 10 features intersect this tile.
Simi Valley: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
San Diego: 5/100 · Simi Valley: 4/100
San Diego is 1 points higher.
San Diego: Wind exposure derived from ingested design wind / climatology tiles.
Simi Valley: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
San Diego: 0/100 · Simi Valley: 0/100
No gap.
San Diego: Lightning exposure derived from ingested climatology tiles.
Simi Valley: Lightning exposure derived from ingested climatology tiles.
Tornado
San Diego: 0/100 · Simi Valley: 0/100
No gap.
San Diego: Tornado risk derived from NOAA SPC historical reports.
Simi Valley: Tornado risk derived from NOAA SPC historical reports.
Hail
San Diego: 1/100 · Simi Valley: 6/100
Simi Valley is 5 points higher.
San Diego: Hail risk derived from NOAA SPC historical reports.
Simi Valley: Hail risk derived from NOAA SPC historical reports.
Storm surge
San Diego: Unavailable · Simi Valley: Unavailable
A score difference cannot be calculated without both sources.
San Diego: Storm surge model is not available for this location yet.
Simi Valley: Storm surge model is not available for this location yet.
Wildfire
San Diego: 69/100 · Simi Valley: 72/100
Simi Valley is 3 points higher.
San Diego: Wildfire exposure derived from ingested fire potential tiles.
Simi Valley: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
San Diego: 24/100 · Simi Valley: 17/100
San Diego is 7 points higher.
San Diego: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Simi Valley: Air quality signal derived from the latest EPA AirNow combined AQI grid.