City vs city
Arroyo Grande vs San Diego, CA
San Diego currently scores 13 points higher overall than Arroyo Grande, 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
Arroyo Grande: 27/100 · San Diego: 40/100
San Diego is 13 points higher.
Flood
Arroyo Grande: 28/100 · San Diego: 100/100
San Diego is 72 points higher.
Arroyo Grande: FEMA NFHL flood zones: 2 features intersect this tile.
San Diego: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Arroyo Grande: 2/100 · San Diego: 5/100
San Diego is 3 points higher.
Arroyo Grande: Wind exposure derived from ingested design wind / climatology tiles.
San Diego: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Arroyo Grande: 0/100 · San Diego: 0/100
No gap.
Arroyo Grande: Lightning exposure derived from ingested climatology tiles.
San Diego: Lightning exposure derived from ingested climatology tiles.
Tornado
Arroyo Grande: 0/100 · San Diego: 0/100
No gap.
Arroyo Grande: Tornado risk derived from NOAA SPC historical reports.
San Diego: Tornado risk derived from NOAA SPC historical reports.
Hail
Arroyo Grande: 0/100 · San Diego: 1/100
San Diego is 1 points higher.
Arroyo Grande: Hail risk derived from NOAA SPC historical reports.
San Diego: Hail risk derived from NOAA SPC historical reports.
Storm surge
Arroyo Grande: Unavailable · San Diego: Unavailable
A score difference cannot be calculated without both sources.
Arroyo Grande: Storm surge model is not available for this location yet.
San Diego: Storm surge model is not available for this location yet.
Wildfire
Arroyo Grande: 62/100 · San Diego: 69/100
San Diego is 7 points higher.
Arroyo Grande: Wildfire exposure derived from ingested fire potential tiles.
San Diego: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Arroyo Grande: 14/100 · San Diego: 24/100
San Diego is 10 points higher.
Arroyo Grande: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Diego: Air quality signal derived from the latest EPA AirNow combined AQI grid.