City vs city
Antioch vs Clayton, CA
Clayton currently scores 3 points higher overall than Antioch, 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
Antioch: 22/100 · Clayton: 25/100
Clayton is 3 points higher.
Flood
Antioch: 28/100 · Clayton: 27/100
Antioch is 1 points higher.
Antioch: FEMA NFHL flood zones: 12 features intersect this tile.
Clayton: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Antioch: 3/100 · Clayton: 2/100
Antioch is 1 points higher.
Antioch: Wind exposure derived from ingested design wind / climatology tiles.
Clayton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Antioch: 0/100 · Clayton: 0/100
No gap.
Antioch: Lightning exposure derived from ingested climatology tiles.
Clayton: Lightning exposure derived from ingested climatology tiles.
Tornado
Antioch: 8/100 · Clayton: 0/100
Antioch is 8 points higher.
Antioch: Tornado risk derived from NOAA SPC historical reports.
Clayton: Tornado risk derived from NOAA SPC historical reports.
Hail
Antioch: 1/100 · Clayton: 4/100
Clayton is 3 points higher.
Antioch: Hail risk derived from NOAA SPC historical reports.
Clayton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Antioch: Unavailable · Clayton: Unavailable
A score difference cannot be calculated without both sources.
Antioch: Storm surge model is not available for this location yet.
Clayton: Storm surge model is not available for this location yet.
Wildfire
Antioch: 67/100 · Clayton: 66/100
Antioch is 1 points higher.
Antioch: Wildfire exposure derived from ingested fire potential tiles.
Clayton: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Antioch: 25/100 · Clayton: 24/100
Antioch is 1 points higher.
Antioch: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Clayton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.