City vs city
San Marcos vs Valley Center, CA
Valley Center currently scores 5 points higher overall than San Marcos, with the largest gap in wildfire.
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 Marcos: 20/100 · Valley Center: 25/100
Valley Center is 5 points higher.
Flood
San Marcos: 30/100 · Valley Center: 26/100
San Marcos is 4 points higher.
San Marcos: FEMA NFHL flood zones: 4 features intersect this tile.
Valley Center: FEMA NFHL flood zones: 1 features intersect this tile.
Wind
San Marcos: 5/100 · Valley Center: 6/100
Valley Center is 1 points higher.
San Marcos: Wind exposure derived from ingested design wind / climatology tiles.
Valley Center: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
San Marcos: 1/100 · Valley Center: 2/100
Valley Center is 1 points higher.
San Marcos: Lightning exposure derived from ingested climatology tiles.
Valley Center: Lightning exposure derived from ingested climatology tiles.
Tornado
San Marcos: 8/100 · Valley Center: 0/100
San Marcos is 8 points higher.
San Marcos: Tornado risk derived from NOAA SPC historical reports.
Valley Center: Tornado risk derived from NOAA SPC historical reports.
Hail
San Marcos: 1/100 · Valley Center: 1/100
No gap.
San Marcos: Hail risk derived from NOAA SPC historical reports.
Valley Center: Hail risk derived from NOAA SPC historical reports.
Storm surge
San Marcos: Unavailable · Valley Center: Unavailable
A score difference cannot be calculated without both sources.
San Marcos: Storm surge model is not available for this location yet.
Valley Center: Storm surge model is not available for this location yet.
Wildfire
San Marcos: 73/100 · Valley Center: 92/100
Valley Center is 19 points higher.
San Marcos: Wildfire exposure derived from ingested fire potential tiles.
Valley Center: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
San Marcos: 23/100 · Valley Center: 21/100
San Marcos is 2 points higher.
San Marcos: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Valley Center: Air quality signal derived from the latest EPA AirNow combined AQI grid.