ultraviolet index in Summerland Key (Niles Channel South) (0.7 mi.) | ultraviolet index in Summerland Key (Niles Channel Bridge) (0.9 mi.) | ultraviolet index in Kemp Channel Viaduct (1.6 mi.) | ultraviolet index in Ramrod Key (Niles Channel Bridge) (1.6 mi.) | ultraviolet index in Gopher Key (Cudjoe Bay) (2.5 mi.) | ultraviolet index in Ramrod Key (Newfound Harbor) (2.7 mi.) | ultraviolet index in Cudjoe Key (Cudjoe Bay) (2.9 mi.) | ultraviolet index in Middle Torch Key (Torch Ramrod Channel) (2.9 mi.) | ultraviolet index in Munson Island (Newfound Harbor Channel) (3 mi.) | ultraviolet index in Key Lois (Southeast End) (3 mi.) | ultraviolet index in Little Torch Key (Torch Channel) (3 mi.) | ultraviolet index in Big Torch Key (Niles Channel) (4 mi.) | ultraviolet index in Little Torch Key (4 mi.) | ultraviolet index in Sugarloaf Key (East Side, Tarpon Creek) (4 mi.) | ultraviolet index in Sugarloaf Key (Pirates Cove) (4 mi.) | ultraviolet index in Cudjoe Key (Pirates Cove) (4 mi.) | ultraviolet index in Big Pine Key (Newfound Harbor Channel) (5 mi.) | ultraviolet index in Tarpon Creek (5 mi.) | ultraviolet index in Big Pine Key (West Side, Pine Channel) (5 mi.) | ultraviolet index in Big Pine Key (Pine Channel Bridge, South Side) (5 mi.)