City vs city
Allentown vs Harleysville, PA
Allentown currently scores 5 points higher overall than Harleysville, 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
Allentown: 43/100 · Harleysville: 38/100
Allentown is 5 points higher.
Flood
Allentown: 70/100 · Harleysville: 66/100
Allentown is 4 points higher.
Allentown: FEMA NFHL flood zones: 6 features intersect this tile.
Harleysville: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Allentown: 21/100 · Harleysville: 22/100
Harleysville is 1 points higher.
Allentown: Wind exposure derived from ingested design wind / climatology tiles.
Harleysville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Allentown: 32/100 · Harleysville: 36/100
Harleysville is 4 points higher.
Allentown: Lightning exposure derived from ingested climatology tiles.
Harleysville: Lightning exposure derived from ingested climatology tiles.
Tornado
Allentown: 0/100 · Harleysville: 8/100
Harleysville is 8 points higher.
Allentown: Tornado risk derived from NOAA SPC historical reports.
Harleysville: Tornado risk derived from NOAA SPC historical reports.
Hail
Allentown: 40/100 · Harleysville: 44/100
Harleysville is 4 points higher.
Allentown: Hail risk derived from NOAA SPC historical reports.
Harleysville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Allentown: Unavailable · Harleysville: Unavailable
A score difference cannot be calculated without both sources.
Allentown: Storm surge model is not available for this location yet.
Harleysville: Storm surge model is not available for this location yet.
Wildfire
Allentown: 57/100 · Harleysville: 48/100
Allentown is 9 points higher.
Allentown: Wildfire exposure derived from ingested fire potential tiles.
Harleysville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Allentown: 35/100 · Harleysville: 39/100
Harleysville is 4 points higher.
Allentown: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Harleysville: Air quality signal derived from the latest EPA AirNow combined AQI grid.