City vs city
Azusa vs Charter Oak, CA
Azusa currently scores 3 points higher overall than Charter Oak, with the largest gap 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 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
Azusa: 23/100 · Charter Oak: 20/100
Azusa is 3 points higher.
Flood
Azusa: 26/100 · Charter Oak: 29/100
Charter Oak is 3 points higher.
Azusa: FEMA NFHL flood zones: 2 features intersect this tile.
Charter Oak: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Azusa: 5/100 · Charter Oak: 5/100
No gap.
Azusa: Wind exposure derived from ingested design wind / climatology tiles.
Charter Oak: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Azusa: 1/100 · Charter Oak: 1/100
No gap.
Azusa: Lightning exposure derived from ingested climatology tiles.
Charter Oak: Lightning exposure derived from ingested climatology tiles.
Tornado
Azusa: 0/100 · Charter Oak: 8/100
Charter Oak is 8 points higher.
Azusa: Tornado risk derived from NOAA SPC historical reports.
Charter Oak: Tornado risk derived from NOAA SPC historical reports.
Hail
Azusa: 6/100 · Charter Oak: 2/100
Azusa is 4 points higher.
Azusa: Hail risk derived from NOAA SPC historical reports.
Charter Oak: Hail risk derived from NOAA SPC historical reports.
Storm surge
Azusa: Unavailable · Charter Oak: Unavailable
A score difference cannot be calculated without both sources.
Azusa: Storm surge model is not available for this location yet.
Charter Oak: Storm surge model is not available for this location yet.
Wildfire
Azusa: 76/100 · Charter Oak: 78/100
Charter Oak is 2 points higher.
Azusa: Wildfire exposure derived from ingested fire potential tiles.
Charter Oak: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Azusa: 21/100 · Charter Oak: 20/100
Azusa is 1 points higher.
Azusa: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Charter Oak: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.