City vs city
Donora vs Lancaster, PA
Lancaster currently scores 5 points higher overall than Donora, with the largest gap in lightning.
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
Donora: 37/100 · Lancaster: 42/100
Lancaster is 5 points higher.
Flood
Donora: 78/100 · Lancaster: 62/100
Donora is 16 points higher.
Donora: FEMA NFHL flood zones: 9 features intersect this tile.
Lancaster: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Donora: 18/100 · Lancaster: 21/100
Lancaster is 3 points higher.
Donora: Wind exposure derived from ingested design wind / climatology tiles.
Lancaster: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Donora: 21/100 · Lancaster: 46/100
Lancaster is 25 points higher.
Donora: Lightning exposure derived from ingested climatology tiles.
Lancaster: Lightning exposure derived from ingested climatology tiles.
Tornado
Donora: 12/100 · Lancaster: 8/100
Donora is 4 points higher.
Donora: Tornado risk derived from NOAA SPC historical reports.
Lancaster: Tornado risk derived from NOAA SPC historical reports.
Hail
Donora: 51/100 · Lancaster: 74/100
Lancaster is 23 points higher.
Donora: Hail risk derived from NOAA SPC historical reports.
Lancaster: Hail risk derived from NOAA SPC historical reports.
Storm surge
Donora: Unavailable · Lancaster: Unavailable
A score difference cannot be calculated without both sources.
Donora: Storm surge model is not available for this location yet.
Lancaster: Storm surge model is not available for this location yet.
Wildfire
Donora: 41/100 · Lancaster: 40/100
Donora is 1 points higher.
Donora: Wildfire exposure derived from ingested fire potential tiles.
Lancaster: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Donora: 36/100 · Lancaster: 44/100
Lancaster is 8 points higher.
Donora: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Lancaster: Air quality signal derived from the latest EPA AirNow combined AQI grid.