City vs city
Dupont vs Harrisburg, PA
Harrisburg currently scores 9 points higher overall than Dupont, 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 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
Dupont: 41/100 · Harrisburg: 50/100
Harrisburg is 9 points higher.
Flood
Dupont: 76/100 · Harrisburg: 98/100
Harrisburg is 22 points higher.
Dupont: FEMA NFHL flood zones: 13 features intersect this tile.
Harrisburg: FEMA NFHL flood zones: 11 features intersect this tile.
Wind
Dupont: 20/100 · Harrisburg: 20/100
No gap.
Dupont: Wind exposure derived from ingested design wind / climatology tiles.
Harrisburg: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Dupont: 22/100 · Harrisburg: 38/100
Harrisburg is 16 points higher.
Dupont: Lightning exposure derived from ingested climatology tiles.
Harrisburg: Lightning exposure derived from ingested climatology tiles.
Tornado
Dupont: 31/100 · Harrisburg: 38/100
Harrisburg is 7 points higher.
Dupont: Tornado risk derived from NOAA SPC historical reports.
Harrisburg: Tornado risk derived from NOAA SPC historical reports.
Hail
Dupont: 50/100 · Harrisburg: 72/100
Harrisburg is 22 points higher.
Dupont: Hail risk derived from NOAA SPC historical reports.
Harrisburg: Hail risk derived from NOAA SPC historical reports.
Storm surge
Dupont: Unavailable · Harrisburg: Unavailable
A score difference cannot be calculated without both sources.
Dupont: Storm surge model is not available for this location yet.
Harrisburg: Storm surge model is not available for this location yet.
Wildfire
Dupont: 56/100 · Harrisburg: 43/100
Dupont is 13 points higher.
Dupont: Wildfire exposure derived from ingested fire potential tiles.
Harrisburg: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Dupont: 35/100 · Harrisburg: 40/100
Harrisburg is 5 points higher.
Dupont: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Harrisburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.