City vs city
El Cajon vs Harbison Canyon, CA
El Cajon and Harbison Canyon are tied on overall score, with the biggest factor difference 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 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
El Cajon: 24/100 · Harbison Canyon: 24/100
No gap.
Flood
El Cajon: 33/100 · Harbison Canyon: 30/100
El Cajon is 3 points higher.
El Cajon: FEMA NFHL flood zones: 5 features intersect this tile.
Harbison Canyon: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
El Cajon: 6/100 · Harbison Canyon: 6/100
No gap.
El Cajon: Wind exposure derived from ingested design wind / climatology tiles.
Harbison Canyon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
El Cajon: 2/100 · Harbison Canyon: 2/100
No gap.
El Cajon: Lightning exposure derived from ingested climatology tiles.
Harbison Canyon: Lightning exposure derived from ingested climatology tiles.
Tornado
El Cajon: 0/100 · Harbison Canyon: 0/100
No gap.
El Cajon: Tornado risk derived from NOAA SPC historical reports.
Harbison Canyon: Tornado risk derived from NOAA SPC historical reports.
Hail
El Cajon: 1/100 · Harbison Canyon: 1/100
No gap.
El Cajon: Hail risk derived from NOAA SPC historical reports.
Harbison Canyon: Hail risk derived from NOAA SPC historical reports.
Storm surge
El Cajon: Unavailable · Harbison Canyon: Unavailable
A score difference cannot be calculated without both sources.
El Cajon: Storm surge model is not available for this location yet.
Harbison Canyon: Storm surge model is not available for this location yet.
Wildfire
El Cajon: 79/100 · Harbison Canyon: 83/100
Harbison Canyon is 4 points higher.
El Cajon: Wildfire exposure derived from ingested fire potential tiles.
Harbison Canyon: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
El Cajon: 25/100 · Harbison Canyon: 23/100
El Cajon is 2 points higher.
El Cajon: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Harbison Canyon: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.