City vs city
Dayton vs Gahanna, OH
Gahanna currently scores 8 points higher overall than Dayton, 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
Dayton: 31/100 · Gahanna: 39/100
Gahanna is 8 points higher.
Flood
Dayton: 59/100 · Gahanna: 67/100
Gahanna is 8 points higher.
Dayton: FEMA NFHL flood zones: 5 features intersect this tile.
Gahanna: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Dayton: 15/100 · Gahanna: 16/100
Gahanna is 1 points higher.
Dayton: Wind exposure derived from ingested design wind / climatology tiles.
Gahanna: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Dayton: 38/100 · Gahanna: 29/100
Dayton is 9 points higher.
Dayton: Lightning exposure derived from ingested climatology tiles.
Gahanna: Lightning exposure derived from ingested climatology tiles.
Tornado
Dayton: 0/100 · Gahanna: 35/100
Gahanna is 35 points higher.
Dayton: Tornado risk derived from NOAA SPC historical reports.
Gahanna: Tornado risk derived from NOAA SPC historical reports.
Hail
Dayton: 39/100 · Gahanna: 75/100
Gahanna is 36 points higher.
Dayton: Hail risk derived from NOAA SPC historical reports.
Gahanna: Hail risk derived from NOAA SPC historical reports.
Storm surge
Dayton: Unavailable · Gahanna: Unavailable
A score difference cannot be calculated without both sources.
Dayton: Storm surge model is not available for this location yet.
Gahanna: Storm surge model is not available for this location yet.
Wildfire
Dayton: 2/100 · Gahanna: 18/100
Gahanna is 16 points higher.
Dayton: Wildfire exposure derived from ingested fire potential tiles.
Gahanna: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Dayton: 35/100 · Gahanna: 36/100
Gahanna is 1 points higher.
Dayton: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Gahanna: Air quality signal derived from the latest EPA AirNow combined AQI grid.