ultraviolett index i Folly Creek (Hwy. 171 Bridge) (1.0 mi.) | ultraviolett index i Folly Island (outer Coast) (1.1 mi.) | ultraviolett index i Folly River (North, Folly Island) (1.7 mi.) | ultraviolett index i Abbapoola Creek Entrance (4 mi.) | ultraviolett index i Snake Island (4 mi.) | ultraviolett index i James Island Creek (1 mi. above ent.) (6 mi.) | ultraviolett index i Fort Johnson (7 mi.) | ultraviolett index i Wappoo Creek (7 mi.) | ultraviolett index i Fort Sumter (7 mi.) | ultraviolett index i Elliott Cut Entrance (8 mi.) | ultraviolett index i Charleston (8 mi.) | ultraviolett index i South Ashley Bridge (8 mi.) | ultraviolett index i The Cove (Fort Moultrie) (9 mi.) | ultraviolett index i Oak Branch (Bohicket Creek) (9 mi.) | ultraviolett index i Church Creek Bridge (9 mi.) | ultraviolett index i Ben Sawyer Bridge (10 mi.) | ultraviolett index i Sullivans Island (outer Coast) (10 mi.) | ultraviolett index i Shem Creek (10 mi.) | ultraviolett index i Sandblasters (Pennys Creek) (10 mi.) | ultraviolett index i Pennys Creek (West Entrance) (10 mi.)