City vs city
San Diego vs San Marcos, CA
San Diego currently scores 20 points higher overall than San Marcos, 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 · San Marcos: 20/100
San Diego is 20 points higher.
Flood
San Diego: 100/100 · San Marcos: 30/100
San Diego is 70 points higher.
San Diego: FEMA NFHL flood zones: 10 features intersect this tile.
San Marcos: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
San Diego: 5/100 · San Marcos: 5/100
No gap.
San Diego: Wind exposure derived from ingested design wind / climatology tiles.
San Marcos: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
San Diego: 0/100 · San Marcos: 1/100
San Marcos is 1 points higher.
San Diego: Lightning exposure derived from ingested climatology tiles.
San Marcos: Lightning exposure derived from ingested climatology tiles.
Tornado
San Diego: 0/100 · San Marcos: 8/100
San Marcos is 8 points higher.
San Diego: Tornado risk derived from NOAA SPC historical reports.
San Marcos: Tornado risk derived from NOAA SPC historical reports.
Hail
San Diego: 1/100 · San Marcos: 1/100
No gap.
San Diego: Hail risk derived from NOAA SPC historical reports.
San Marcos: Hail risk derived from NOAA SPC historical reports.
Storm surge
San Diego: Unavailable · San Marcos: Unavailable
A score difference cannot be calculated without both sources.
San Diego: Storm surge model is not available for this location yet.
San Marcos: Storm surge model is not available for this location yet.
Wildfire
San Diego: 69/100 · San Marcos: 73/100
San Marcos is 4 points higher.
San Diego: Wildfire exposure derived from ingested fire potential tiles.
San Marcos: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
San Diego: 24/100 · San Marcos: 23/100
San Diego is 1 points higher.
San Diego: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Marcos: Air quality signal derived from the latest EPA AirNow combined AQI grid.