City vs city
Chesterfield vs Ionia, MI
Ionia currently scores 4 points higher overall than Chesterfield, with the largest gap in flood.
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
Chesterfield: 27/100 · Ionia: 31/100
Ionia is 4 points higher.
Flood
Chesterfield: 48/100 · Ionia: 66/100
Ionia is 18 points higher.
Chesterfield: FEMA NFHL flood zones: 4 features intersect this tile.
Ionia: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Chesterfield: 16/100 · Ionia: 15/100
Chesterfield is 1 points higher.
Chesterfield: Wind exposure derived from ingested design wind / climatology tiles.
Ionia: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chesterfield: 39/100 · Ionia: 21/100
Chesterfield is 18 points higher.
Chesterfield: Lightning exposure derived from ingested climatology tiles.
Ionia: Lightning exposure derived from ingested climatology tiles.
Tornado
Chesterfield: 8/100 · Ionia: 0/100
Chesterfield is 8 points higher.
Chesterfield: Tornado risk derived from NOAA SPC historical reports.
Ionia: Tornado risk derived from NOAA SPC historical reports.
Hail
Chesterfield: 16/100 · Ionia: 12/100
Chesterfield is 4 points higher.
Chesterfield: Hail risk derived from NOAA SPC historical reports.
Ionia: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chesterfield: Unavailable · Ionia: Unavailable
A score difference cannot be calculated without both sources.
Chesterfield: Storm surge model is not available for this location yet.
Ionia: Storm surge model is not available for this location yet.
Wildfire
Chesterfield: 30/100 · Ionia: 41/100
Ionia is 11 points higher.
Chesterfield: Wildfire exposure derived from ingested fire potential tiles.
Ionia: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chesterfield: 30/100 · Ionia: 28/100
Chesterfield is 2 points higher.
Chesterfield: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Ionia: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.