City vs city
Bethlehem vs Chesnut Hill, PA
Chesnut Hill currently scores 2 points higher overall than Bethlehem, 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
Bethlehem: 40/100 · Chesnut Hill: 42/100
Chesnut Hill is 2 points higher.
Flood
Bethlehem: 64/100 · Chesnut Hill: 76/100
Chesnut Hill is 12 points higher.
Bethlehem: FEMA NFHL flood zones: 7 features intersect this tile.
Chesnut Hill: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Bethlehem: 21/100 · Chesnut Hill: 21/100
No gap.
Bethlehem: Wind exposure derived from ingested design wind / climatology tiles.
Chesnut Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Bethlehem: 30/100 · Chesnut Hill: 25/100
Bethlehem is 5 points higher.
Bethlehem: Lightning exposure derived from ingested climatology tiles.
Chesnut Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Bethlehem: 0/100 · Chesnut Hill: 0/100
No gap.
Bethlehem: Tornado risk derived from NOAA SPC historical reports.
Chesnut Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Bethlehem: 39/100 · Chesnut Hill: 38/100
Bethlehem is 1 points higher.
Bethlehem: Hail risk derived from NOAA SPC historical reports.
Chesnut Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Bethlehem: Unavailable · Chesnut Hill: Unavailable
A score difference cannot be calculated without both sources.
Bethlehem: Storm surge model is not available for this location yet.
Chesnut Hill: Storm surge model is not available for this location yet.
Wildfire
Bethlehem: 50/100 · Chesnut Hill: 55/100
Chesnut Hill is 5 points higher.
Bethlehem: Wildfire exposure derived from ingested fire potential tiles.
Chesnut Hill: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Bethlehem: 35/100 · Chesnut Hill: 37/100
Chesnut Hill is 2 points higher.
Bethlehem: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Chesnut Hill: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.