City vs city
Charleston vs Red Hill, SC
Charleston currently scores 11 points higher overall than Red Hill, 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
Charleston: 60/100 · Red Hill: 49/100
Charleston is 11 points higher.
Flood
Charleston: 78/100 · Red Hill: 52/100
Charleston is 26 points higher.
Charleston: FEMA NFHL flood zones: 28 features intersect this tile.
Red Hill: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Charleston: 51/100 · Red Hill: 49/100
Charleston is 2 points higher.
Charleston: Wind exposure derived from ingested design wind / climatology tiles.
Red Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Charleston: 49/100 · Red Hill: 63/100
Red Hill is 14 points higher.
Charleston: Lightning exposure derived from ingested climatology tiles.
Red Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Charleston: 12/100 · Red Hill: 15/100
Red Hill is 3 points higher.
Charleston: Tornado risk derived from NOAA SPC historical reports.
Red Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Charleston: 100/100 · Red Hill: 43/100
Charleston is 57 points higher.
Charleston: Hail risk derived from NOAA SPC historical reports.
Red Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Charleston: 99/100 · Red Hill: 97/100
Charleston is 2 points higher.
Charleston: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Red Hill: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Charleston: 63/100 · Red Hill: 50/100
Charleston is 13 points higher.
Charleston: Wildfire exposure derived from ingested fire potential tiles.
Red Hill: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Charleston: 26/100 · Red Hill: 19/100
Charleston is 7 points higher.
Charleston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Red Hill: Air quality signal derived from the latest EPA AirNow combined AQI grid.