City vs city
Chadds Ford vs Downingtown, PA
Downingtown currently scores 5 points higher overall than Chadds Ford, 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
Chadds Ford: 30/100 · Downingtown: 35/100
Downingtown is 5 points higher.
Flood
Chadds Ford: 51/100 · Downingtown: 80/100
Downingtown is 29 points higher.
Chadds Ford: FEMA NFHL flood zones: 4 features intersect this tile.
Downingtown: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Chadds Ford: 22/100 · Downingtown: 22/100
No gap.
Chadds Ford: Wind exposure derived from ingested design wind / climatology tiles.
Downingtown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chadds Ford: 43/100 · Downingtown: 45/100
Downingtown is 2 points higher.
Chadds Ford: Lightning exposure derived from ingested climatology tiles.
Downingtown: Lightning exposure derived from ingested climatology tiles.
Tornado
Chadds Ford: 8/100 · Downingtown: 8/100
No gap.
Chadds Ford: Tornado risk derived from NOAA SPC historical reports.
Downingtown: Tornado risk derived from NOAA SPC historical reports.
Hail
Chadds Ford: 6/100 · Downingtown: 23/100
Downingtown is 17 points higher.
Chadds Ford: Hail risk derived from NOAA SPC historical reports.
Downingtown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chadds Ford: Unavailable · Downingtown: Unavailable
A score difference cannot be calculated without both sources.
Chadds Ford: Storm surge model is not available for this location yet.
Downingtown: Storm surge model is not available for this location yet.
Wildfire
Chadds Ford: 43/100 · Downingtown: 28/100
Chadds Ford is 15 points higher.
Chadds Ford: Wildfire exposure derived from ingested fire potential tiles.
Downingtown: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chadds Ford: 40/100 · Downingtown: 40/100
No gap.
Chadds Ford: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Downingtown: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.