City vs city
Key West vs Marathon, FL
Key West currently scores 13 points higher overall than Marathon, with the largest gap in tornado.
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
Key West: 53/100 · Marathon: 40/100
Key West is 13 points higher.
Flood
Key West: 0/100 · Marathon: 0/100
No gap.
Key West: FEMA NFHL flood zones: 13 features intersect this tile.
Marathon: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Key West: 82/100 · Marathon: 82/100
No gap.
Key West: Wind exposure derived from ingested design wind / climatology tiles.
Marathon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Key West: 35/100 · Marathon: 30/100
Key West is 5 points higher.
Key West: Lightning exposure derived from ingested climatology tiles.
Marathon: Lightning exposure derived from ingested climatology tiles.
Tornado
Key West: 92/100 · Marathon: 19/100
Key West is 73 points higher.
Key West: Tornado risk derived from NOAA SPC historical reports.
Marathon: Tornado risk derived from NOAA SPC historical reports.
Hail
Key West: 23/100 · Marathon: 0/100
Key West is 23 points higher.
Key West: Hail risk derived from NOAA SPC historical reports.
Marathon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Key West: 88/100 · Marathon: 96/100
Marathon is 8 points higher.
Key West: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Marathon: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Key West: 0/100 · Marathon: 0/100
No gap.
Key West: Wildfire exposure derived from ingested fire potential tiles.
Marathon: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Key West: Unavailable · Marathon: 14/100
A score difference cannot be calculated without both sources.
Key West: Air quality model is not available for this location yet.
Marathon: Air quality signal derived from the latest EPA AirNow combined AQI grid.