City vs city
Grass Valley vs Yuba City, CA
Grass Valley currently scores 12 points higher overall than Yuba City, 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
Grass Valley: 36/100 · Yuba City: 24/100
Grass Valley is 12 points higher.
Flood
Grass Valley: 26/100 · Yuba City: 20/100
Grass Valley is 6 points higher.
Grass Valley: FEMA NFHL flood zones: 2 features intersect this tile.
Yuba City: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Grass Valley: 4/100 · Yuba City: 4/100
No gap.
Grass Valley: Wind exposure derived from ingested design wind / climatology tiles.
Yuba City: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grass Valley: 1/100 · Yuba City: 0/100
Grass Valley is 1 points higher.
Grass Valley: Lightning exposure derived from ingested climatology tiles.
Yuba City: Lightning exposure derived from ingested climatology tiles.
Tornado
Grass Valley: 0/100 · Yuba City: 12/100
Yuba City is 12 points higher.
Grass Valley: Tornado risk derived from NOAA SPC historical reports.
Yuba City: Tornado risk derived from NOAA SPC historical reports.
Hail
Grass Valley: 3/100 · Yuba City: 8/100
Yuba City is 5 points higher.
Grass Valley: Hail risk derived from NOAA SPC historical reports.
Yuba City: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grass Valley: Unavailable · Yuba City: Unavailable
A score difference cannot be calculated without both sources.
Grass Valley: Storm surge model is not available for this location yet.
Yuba City: Storm surge model is not available for this location yet.
Wildfire
Grass Valley: 84/100 · Yuba City: 71/100
Grass Valley is 13 points higher.
Grass Valley: Wildfire exposure derived from ingested fire potential tiles.
Yuba City: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Grass Valley: 100/100 · Yuba City: 27/100
Grass Valley is 73 points higher.
Grass Valley: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Yuba City: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.