City vs city
Arroyo Grande vs San Francisco, CA
Arroyo Grande currently scores 2 points higher overall than San Francisco, 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 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
Arroyo Grande: 27/100 · San Francisco: 25/100
Arroyo Grande is 2 points higher.
Flood
Arroyo Grande: 28/100 · San Francisco: 26/100
Arroyo Grande is 2 points higher.
Arroyo Grande: FEMA NFHL flood zones: 2 features intersect this tile.
San Francisco: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Arroyo Grande: 2/100 · San Francisco: 2/100
No gap.
Arroyo Grande: Wind exposure derived from ingested design wind / climatology tiles.
San Francisco: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Arroyo Grande: 0/100 · San Francisco: 0/100
No gap.
Arroyo Grande: Lightning exposure derived from ingested climatology tiles.
San Francisco: Lightning exposure derived from ingested climatology tiles.
Tornado
Arroyo Grande: 0/100 · San Francisco: 0/100
No gap.
Arroyo Grande: Tornado risk derived from NOAA SPC historical reports.
San Francisco: Tornado risk derived from NOAA SPC historical reports.
Hail
Arroyo Grande: 0/100 · San Francisco: 18/100
San Francisco is 18 points higher.
Arroyo Grande: Hail risk derived from NOAA SPC historical reports.
San Francisco: Hail risk derived from NOAA SPC historical reports.
Storm surge
Arroyo Grande: Unavailable · San Francisco: Unavailable
A score difference cannot be calculated without both sources.
Arroyo Grande: Storm surge model is not available for this location yet.
San Francisco: Storm surge model is not available for this location yet.
Wildfire
Arroyo Grande: 62/100 · San Francisco: 52/100
Arroyo Grande is 10 points higher.
Arroyo Grande: Wildfire exposure derived from ingested fire potential tiles.
San Francisco: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Arroyo Grande: 14/100 · San Francisco: 25/100
San Francisco is 11 points higher.
Arroyo Grande: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Francisco: Air quality signal derived from the latest EPA AirNow combined AQI grid.