ultraviolett index i Wappoo Creek (1.5 mi.) | ultraviolett index i Charleston (1.8 mi.) | ultraviolett index i James Island Creek (1 mi. above ent.) (2.7 mi.) | ultraviolett index i Elliott Cut Entrance (3.0 mi.) | ultraviolett index i Duck Island (3 mi.) | ultraviolett index i Shipyard Creek (0.8 mile above entrance) (3 mi.) | ultraviolett index i Cosgrove Bridge (4 mi.) | ultraviolett index i Fort Johnson (4 mi.) | ultraviolett index i Hobcaw Point (4 mi.) | ultraviolett index i Shem Creek (4 mi.) | ultraviolett index i Fort Sumter (5 mi.) | ultraviolett index i Ashley River (I-526 Bridge) (5 mi.) | ultraviolett index i Clouter Creek (South Entrance) (5 mi.) | ultraviolett index i The Cove (Fort Moultrie) (6 mi.) | ultraviolett index i Sandblasters (Pennys Creek) (6 mi.) | ultraviolett index i Pennys Creek (West Entrance) (7 mi.) | ultraviolett index i Ben Sawyer Bridge (7 mi.) | ultraviolett index i Drayton (Bee's Ferry) (7 mi.) | ultraviolett index i Sullivans Island (outer Coast) (7 mi.) | ultraviolett index i Folly Creek (Hwy. 171 Bridge) (7 mi.)