ultraviolet index in Duck Island (1.0 mi.) | ultraviolet index in Clouter Creek (South Entrance) (2.0 mi.) | ultraviolet index in Cosgrove Bridge (2.1 mi.) | ultraviolet index in Hobcaw Point (3 mi.) | ultraviolet index in South Ashley Bridge (3 mi.) | ultraviolet index in Charleston (4 mi.) | ultraviolet index in Ashley River (I-526 Bridge) (4 mi.) | ultraviolet index in Wappoo Creek (5 mi.) | ultraviolet index in Shem Creek (5 mi.) | ultraviolet index in Clouter Creek (North Entrance) (5 mi.) | ultraviolet index in Army Depot (5 mi.) | ultraviolet index in Nowell Creek (5 mi.) | ultraviolet index in Elliott Cut Entrance (6 mi.) | ultraviolet index in Drayton (Bee's Ferry) (6 mi.) | ultraviolet index in James Island Creek (1 mi. above ent.) (6 mi.) | ultraviolet index in Fort Johnson (6 mi.) | ultraviolet index in Yeamans Hall (Goose Creek) (7 mi.) | ultraviolet index in Hanahan (Turkey Creek, Goose Creek) (7 mi.) | ultraviolet index in Fort Sumter (7 mi.) | ultraviolet index in Parker Island (Horlbeck Creek) (7 mi.)