ultraviolett index i South Ashley Bridge (1.5 mi.) | ultraviolett index i Elliott Cut Entrance (1.7 mi.) | ultraviolett index i James Island Creek (1 mi. above ent.) (2.1 mi.) | ultraviolett index i Charleston (3.0 mi.) | ultraviolett index i Duck Island (4 mi.) | ultraviolett index i Fort Johnson (4 mi.) | ultraviolett index i Cosgrove Bridge (5 mi.) | ultraviolett index i Shipyard Creek (0.8 mile above entrance) (5 mi.) | ultraviolett index i Sandblasters (Pennys Creek) (5 mi.) | ultraviolett index i Ashley River (I-526 Bridge) (6 mi.) | ultraviolett index i Pennys Creek (West Entrance) (6 mi.) | ultraviolett index i Shem Creek (6 mi.) | ultraviolett index i Fort Sumter (6 mi.) | ultraviolett index i Hobcaw Point (6 mi.) | ultraviolett index i Folly Creek (Hwy. 171 Bridge) (6 mi.) | ultraviolett index i Abbapoola Creek Entrance (7 mi.) | ultraviolett index i Clouter Creek (South Entrance) (7 mi.) | ultraviolett index i The Cove (Fort Moultrie) (7 mi.) | ultraviolett index i Drayton (Bee's Ferry) (7 mi.) | ultraviolett index i Folly River Bridge (Flooy Island) (7 mi.)