City vs city
Darby vs Philadelphia, PA
Darby currently scores 5 points higher overall than Philadelphia, with the largest gap in wildfire.
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
Darby: 40/100 · Philadelphia: 35/100
Darby is 5 points higher.
Flood
Darby: 83/100 · Philadelphia: 60/100
Darby is 23 points higher.
Darby: FEMA NFHL flood zones: 12 features intersect this tile.
Philadelphia: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Darby: 22/100 · Philadelphia: 22/100
No gap.
Darby: Wind exposure derived from ingested design wind / climatology tiles.
Philadelphia: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Darby: 37/100 · Philadelphia: 35/100
Darby is 2 points higher.
Darby: Lightning exposure derived from ingested climatology tiles.
Philadelphia: Lightning exposure derived from ingested climatology tiles.
Tornado
Darby: 8/100 · Philadelphia: 8/100
No gap.
Darby: Tornado risk derived from NOAA SPC historical reports.
Philadelphia: Tornado risk derived from NOAA SPC historical reports.
Hail
Darby: 43/100 · Philadelphia: 18/100
Darby is 25 points higher.
Darby: Hail risk derived from NOAA SPC historical reports.
Philadelphia: Hail risk derived from NOAA SPC historical reports.
Storm surge
Darby: 67/100 · Philadelphia: Unavailable
A score difference cannot be calculated without both sources.
Darby: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Philadelphia: Storm surge model is not available for this location yet.
Wildfire
Darby: 15/100 · Philadelphia: 55/100
Philadelphia is 40 points higher.
Darby: Wildfire exposure derived from ingested fire potential tiles.
Philadelphia: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Darby: 44/100 · Philadelphia: 44/100
No gap.
Darby: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Philadelphia: Air quality signal derived from the latest EPA AirNow combined AQI grid.