City vs city
Antioch vs Walnut Creek, CA
Walnut Creek currently scores 2 points higher overall than Antioch, with the largest gap in hail.
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
Antioch: 22/100 · Walnut Creek: 24/100
Walnut Creek is 2 points higher.
Flood
Antioch: 28/100 · Walnut Creek: 33/100
Walnut Creek is 5 points higher.
Antioch: FEMA NFHL flood zones: 12 features intersect this tile.
Walnut Creek: FEMA NFHL flood zones: 28 features intersect this tile.
Wind
Antioch: 3/100 · Walnut Creek: 2/100
Antioch is 1 points higher.
Antioch: Wind exposure derived from ingested design wind / climatology tiles.
Walnut Creek: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Antioch: 0/100 · Walnut Creek: 0/100
No gap.
Antioch: Lightning exposure derived from ingested climatology tiles.
Walnut Creek: Lightning exposure derived from ingested climatology tiles.
Tornado
Antioch: 8/100 · Walnut Creek: 8/100
No gap.
Antioch: Tornado risk derived from NOAA SPC historical reports.
Walnut Creek: Tornado risk derived from NOAA SPC historical reports.
Hail
Antioch: 1/100 · Walnut Creek: 10/100
Walnut Creek is 9 points higher.
Antioch: Hail risk derived from NOAA SPC historical reports.
Walnut Creek: Hail risk derived from NOAA SPC historical reports.
Storm surge
Antioch: Unavailable · Walnut Creek: Unavailable
A score difference cannot be calculated without both sources.
Antioch: Storm surge model is not available for this location yet.
Walnut Creek: Storm surge model is not available for this location yet.
Wildfire
Antioch: 67/100 · Walnut Creek: 69/100
Walnut Creek is 2 points higher.
Antioch: Wildfire exposure derived from ingested fire potential tiles.
Walnut Creek: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Antioch: 25/100 · Walnut Creek: 24/100
Antioch is 1 points higher.
Antioch: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Walnut Creek: Air quality signal derived from the latest EPA AirNow combined AQI grid.