City vs city
Altoona vs Philadelphia, PA
Philadelphia currently scores 1 points higher overall than Altoona, with the largest gap in hail.
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
Altoona: 34/100 · Philadelphia: 35/100
Philadelphia is 1 points higher.
Flood
Altoona: 60/100 · Philadelphia: 60/100
No gap.
Altoona: FEMA NFHL flood zones: 3 features intersect this tile.
Philadelphia: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Altoona: 18/100 · Philadelphia: 22/100
Philadelphia is 4 points higher.
Altoona: Wind exposure derived from ingested design wind / climatology tiles.
Philadelphia: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Altoona: 32/100 · Philadelphia: 35/100
Philadelphia is 3 points higher.
Altoona: Lightning exposure derived from ingested climatology tiles.
Philadelphia: Lightning exposure derived from ingested climatology tiles.
Tornado
Altoona: 0/100 · Philadelphia: 8/100
Philadelphia is 8 points higher.
Altoona: Tornado risk derived from NOAA SPC historical reports.
Philadelphia: Tornado risk derived from NOAA SPC historical reports.
Hail
Altoona: 4/100 · Philadelphia: 18/100
Philadelphia is 14 points higher.
Altoona: Hail risk derived from NOAA SPC historical reports.
Philadelphia: Hail risk derived from NOAA SPC historical reports.
Storm surge
Altoona: Unavailable · Philadelphia: Unavailable
A score difference cannot be calculated without both sources.
Altoona: Storm surge model is not available for this location yet.
Philadelphia: Storm surge model is not available for this location yet.
Wildfire
Altoona: 50/100 · Philadelphia: 55/100
Philadelphia is 5 points higher.
Altoona: Wildfire exposure derived from ingested fire potential tiles.
Philadelphia: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Altoona: 37/100 · Philadelphia: 44/100
Philadelphia is 7 points higher.
Altoona: 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.