City vs city
Los Angeles vs St. Helena, CA
Los Angeles and St. Helena are tied on overall score, with the biggest factor difference in tornado.
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
Los Angeles: 23/100 · St. Helena: 23/100
No gap.
Flood
Los Angeles: 26/100 · St. Helena: 31/100
St. Helena is 5 points higher.
Los Angeles: FEMA NFHL flood zones: 2 features intersect this tile.
St. Helena: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Los Angeles: 4/100 · St. Helena: 2/100
Los Angeles is 2 points higher.
Los Angeles: Wind exposure derived from ingested design wind / climatology tiles.
St. Helena: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Los Angeles: 0/100 · St. Helena: 0/100
No gap.
Los Angeles: Lightning exposure derived from ingested climatology tiles.
St. Helena: Lightning exposure derived from ingested climatology tiles.
Tornado
Los Angeles: 15/100 · St. Helena: 0/100
Los Angeles is 15 points higher.
Los Angeles: Tornado risk derived from NOAA SPC historical reports.
St. Helena: Tornado risk derived from NOAA SPC historical reports.
Hail
Los Angeles: 5/100 · St. Helena: 1/100
Los Angeles is 4 points higher.
Los Angeles: Hail risk derived from NOAA SPC historical reports.
St. Helena: Hail risk derived from NOAA SPC historical reports.
Storm surge
Los Angeles: Unavailable · St. Helena: Unavailable
A score difference cannot be calculated without both sources.
Los Angeles: Storm surge model is not available for this location yet.
St. Helena: Storm surge model is not available for this location yet.
Wildfire
Los Angeles: 69/100 · St. Helena: 56/100
Los Angeles is 13 points higher.
Los Angeles: Wildfire exposure derived from ingested fire potential tiles.
St. Helena: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Los Angeles: 21/100 · St. Helena: 26/100
St. Helena is 5 points higher.
Los Angeles: Air quality signal derived from the latest EPA AirNow combined AQI grid.
St. Helena: Air quality signal derived from the latest EPA AirNow combined AQI grid.