UV Index in Snake Island (2.6 mi.) | UV Index in Folly Creek (Hwy. 171 Bridge) (3 mi.) | UV Index in Folly River Bridge (Flooy Island) (4 mi.) | UV Index in Folly Island (outer Coast) (5 mi.) | UV Index in Oak Branch (Bohicket Creek) (5 mi.) | UV Index in Folly River (North, Folly Island) (5 mi.) | UV Index in Church Creek Bridge (6 mi.) | UV Index in James Island Creek (1 mi. above ent.) (6 mi.) | UV Index in Elliott Cut Entrance (6 mi.) | UV Index in Wappoo Creek (7 mi.) | UV Index in Sandblasters (Pennys Creek) (7 mi.) | UV Index in Pennys Creek (West Entrance) (7 mi.) | UV Index in South Ashley Bridge (8 mi.) | UV Index in Fort Johnson (8 mi.) | UV Index in Charleston (9 mi.) | UV Index in Kiawah River Bridge (9 mi.) | UV Index in Johns Island (Church Creek) (9 mi.) | UV Index in Fort Sumter (9 mi.) | UV Index in Limehouse Bridge (9 mi.) | UV Index in Ho-non-wah Boy Scout Camp (Bohicket Creek) (10 mi.)