City vs city
Dayton vs Parsippany-Troy Hills, NJ
Dayton currently scores 3 points higher overall than Parsippany-Troy Hills, 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
Dayton: 32/100 · Parsippany-Troy Hills: 29/100
Dayton is 3 points higher.
Flood
Dayton: 27/100 · Parsippany-Troy Hills: 0/100
Dayton is 27 points higher.
Dayton: FEMA NFHL flood zones: 14 features intersect this tile.
Parsippany-Troy Hills: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Dayton: 22/100 · Parsippany-Troy Hills: 22/100
No gap.
Dayton: Wind exposure derived from ingested design wind / climatology tiles.
Parsippany-Troy Hills: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Dayton: 21/100 · Parsippany-Troy Hills: 20/100
Dayton is 1 points higher.
Dayton: Lightning exposure derived from ingested climatology tiles.
Parsippany-Troy Hills: Lightning exposure derived from ingested climatology tiles.
Tornado
Dayton: 27/100 · Parsippany-Troy Hills: 0/100
Dayton is 27 points higher.
Dayton: Tornado risk derived from NOAA SPC historical reports.
Parsippany-Troy Hills: Tornado risk derived from NOAA SPC historical reports.
Hail
Dayton: 12/100 · Parsippany-Troy Hills: 28/100
Parsippany-Troy Hills is 16 points higher.
Dayton: Hail risk derived from NOAA SPC historical reports.
Parsippany-Troy Hills: Hail risk derived from NOAA SPC historical reports.
Storm surge
Dayton: Unavailable · Parsippany-Troy Hills: Unavailable
A score difference cannot be calculated without both sources.
Dayton: Storm surge model is not available for this location yet.
Parsippany-Troy Hills: Storm surge model is not available for this location yet.
Wildfire
Dayton: 73/100 · Parsippany-Troy Hills: 69/100
Dayton is 4 points higher.
Dayton: Wildfire exposure derived from ingested fire potential tiles.
Parsippany-Troy Hills: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Dayton: 42/100 · Parsippany-Troy Hills: 37/100
Dayton is 5 points higher.
Dayton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Parsippany-Troy Hills: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.