ultraviolet index in Folly River Bridge (Flooy Island) (1.1 mi.) | ultraviolet index in Folly River (North, Folly Island) (1.7 mi.) | ultraviolet index in Folly Creek (Hwy. 171 Bridge) (2.0 mi.) | ultraviolet index in Abbapoola Creek Entrance (5 mi.) | ultraviolet index in Snake Island (5 mi.) | ultraviolet index in James Island Creek (1 mi. above ent.) (7 mi.) | ultraviolet index in Fort Johnson (7 mi.) | ultraviolet index in Fort Sumter (8 mi.) | ultraviolet index in Wappoo Creek (8 mi.) | ultraviolet index in Elliott Cut Entrance (9 mi.) | ultraviolet index in The Cove (Fort Moultrie) (9 mi.) | ultraviolet index in Charleston (9 mi.) | ultraviolet index in South Ashley Bridge (9 mi.) | ultraviolet index in Oak Branch (Bohicket Creek) (10 mi.) | ultraviolet index in Sullivans Island (outer Coast) (10 mi.) | ultraviolet index in Ben Sawyer Bridge (10 mi.) | ultraviolet index in Church Creek Bridge (10 mi.) | ultraviolet index in Shem Creek (10 mi.) | ultraviolet index in Sandblasters (Pennys Creek) (11 mi.) | ultraviolet index in Breach Inlet (Isle Of Palms) (11 mi.)