City vs city
El Monte vs South Monrovia Island, CA
South Monrovia Island currently scores 2 points higher overall than El Monte, 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
El Monte: 21/100 · South Monrovia Island: 23/100
South Monrovia Island is 2 points higher.
Flood
El Monte: 28/100 · South Monrovia Island: 26/100
El Monte is 2 points higher.
El Monte: FEMA NFHL flood zones: 6 features intersect this tile.
South Monrovia Island: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
El Monte: 5/100 · South Monrovia Island: 5/100
No gap.
El Monte: Wind exposure derived from ingested design wind / climatology tiles.
South Monrovia Island: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
El Monte: 1/100 · South Monrovia Island: 1/100
No gap.
El Monte: Lightning exposure derived from ingested climatology tiles.
South Monrovia Island: Lightning exposure derived from ingested climatology tiles.
Tornado
El Monte: 8/100 · South Monrovia Island: 0/100
El Monte is 8 points higher.
El Monte: Tornado risk derived from NOAA SPC historical reports.
South Monrovia Island: Tornado risk derived from NOAA SPC historical reports.
Hail
El Monte: 5/100 · South Monrovia Island: 6/100
South Monrovia Island is 1 points higher.
El Monte: Hail risk derived from NOAA SPC historical reports.
South Monrovia Island: Hail risk derived from NOAA SPC historical reports.
Storm surge
El Monte: Unavailable · South Monrovia Island: Unavailable
A score difference cannot be calculated without both sources.
El Monte: Storm surge model is not available for this location yet.
South Monrovia Island: Storm surge model is not available for this location yet.
Wildfire
El Monte: 75/100 · South Monrovia Island: 76/100
South Monrovia Island is 1 points higher.
El Monte: Wildfire exposure derived from ingested fire potential tiles.
South Monrovia Island: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
El Monte: 28/100 · South Monrovia Island: 21/100
El Monte is 7 points higher.
El Monte: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
South Monrovia Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.