ultraviolet index in Saddlebunch Keys (Channel No. 4) (1.0 mi.) | ultraviolet index in Saddlebunch Keys (Channel No. 5) (1.5 mi.) | ultraviolet index in Saddlebunch Keys (Similar Sound) (2.0 mi.) | ultraviolet index in Snipe Keys (Southeast End, Inner Narrows) (2.4 mi.) | ultraviolet index in O'Hara Key (North End, Waltz Key Basin) (2.7 mi.) | ultraviolet index in Perky (2.7 mi.) | ultraviolet index in Shark Key (Southeast End, Similar Sound) (3.0 mi.) | ultraviolet index in Bird Key (Similar Sound) (3 mi.) | ultraviolet index in Snipe Keys (Middle Narrows) (3 mi.) | ultraviolet index in Waltz Key (Waltz Key Basin) (4 mi.) | ultraviolet index in Big Coppitt Key (Northeast Side, Waltz Key Basin) (4 mi.) | ultraviolet index in North Harris Channel (4 mi.) | ultraviolet index in Park Channel Bridge (5 mi.) | ultraviolet index in Rockland Key (Rockland Channel Bridge) (5 mi.) | ultraviolet index in Duck Key Point (Duck Key, Waltz Key Basin) (5 mi.) | ultraviolet index in Tarpon Creek (5 mi.) | ultraviolet index in Sugarloaf Key (Northeast Side, Bow Channel) (6 mi.) | ultraviolet index in Sugarloaf Key (North End, Bow Channel) (6 mi.) | ultraviolet index in Sugarloaf Key (East Side, Tarpon Creek) (6 mi.) | ultraviolet index in Sugarloaf Key (Pirates Cove) (6 mi.)