City vs city
Chico vs Rio Dell, CA
Chico and Rio Dell 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 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
Chico: 24/100 · Rio Dell: 24/100
No gap.
Flood
Chico: 46/100 · Rio Dell: 56/100
Rio Dell is 10 points higher.
Chico: FEMA NFHL flood zones: 13 features intersect this tile.
Rio Dell: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Chico: 4/100 · Rio Dell: 2/100
Chico is 2 points higher.
Chico: Wind exposure derived from ingested design wind / climatology tiles.
Rio Dell: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chico: 1/100 · Rio Dell: 1/100
No gap.
Chico: Lightning exposure derived from ingested climatology tiles.
Rio Dell: Lightning exposure derived from ingested climatology tiles.
Tornado
Chico: 8/100 · Rio Dell: 0/100
Chico is 8 points higher.
Chico: Tornado risk derived from NOAA SPC historical reports.
Rio Dell: Tornado risk derived from NOAA SPC historical reports.
Hail
Chico: 10/100 · Rio Dell: 2/100
Chico is 8 points higher.
Chico: Hail risk derived from NOAA SPC historical reports.
Rio Dell: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chico: Unavailable · Rio Dell: Unavailable
A score difference cannot be calculated without both sources.
Chico: Storm surge model is not available for this location yet.
Rio Dell: Storm surge model is not available for this location yet.
Wildfire
Chico: 72/100 · Rio Dell: 58/100
Chico is 14 points higher.
Chico: Wildfire exposure derived from ingested fire potential tiles.
Rio Dell: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chico: 26/100 · Rio Dell: 22/100
Chico is 4 points higher.
Chico: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rio Dell: Air quality signal derived from the latest EPA AirNow combined AQI grid.