City vs city
Alta Sierra vs Los Angeles, CA
Alta Sierra currently scores 16 points higher overall than Los Angeles, with the largest gap in ingested air quality.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Alta Sierra: 35/100 · Los Angeles: 19/100
Alta Sierra is 16 points higher.
Flood
Alta Sierra: 26/100 · Los Angeles: 30/100
Los Angeles is 4 points higher.
Alta Sierra: FEMA NFHL flood zones: 1 features intersect this tile.
Los Angeles: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Alta Sierra: 4/100 · Los Angeles: 4/100
No gap.
Alta Sierra: Wind exposure derived from ingested design wind / climatology tiles.
Los Angeles: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alta Sierra: 2/100 · Los Angeles: 1/100
Alta Sierra is 1 points higher.
Alta Sierra: Lightning exposure derived from ingested climatology tiles.
Los Angeles: Lightning exposure derived from ingested climatology tiles.
Tornado
Alta Sierra: 0/100 · Los Angeles: 4/100
Los Angeles is 4 points higher.
Alta Sierra: Tornado risk derived from NOAA SPC historical reports.
Los Angeles: Tornado risk derived from NOAA SPC historical reports.
Hail
Alta Sierra: 1/100 · Los Angeles: 1/100
No gap.
Alta Sierra: Hail risk derived from NOAA SPC historical reports.
Los Angeles: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alta Sierra: Unavailable · Los Angeles: Unavailable
A score difference cannot be calculated without both sources.
Alta Sierra: Storm surge model is not available for this location yet.
Los Angeles: Storm surge model is not available for this location yet.
Wildfire
Alta Sierra: 77/100 · Los Angeles: 76/100
Alta Sierra is 1 points higher.
Alta Sierra: Wildfire exposure derived from ingested fire potential tiles.
Los Angeles: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Alta Sierra: 100/100 · Los Angeles: 20/100
Alta Sierra is 80 points higher.
Alta Sierra: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Los Angeles: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.