ultraviolet index in Big Pine Key (North End) (1.3 mi.) | ultraviolet index in Howe Key (South End, Harbor Channel) (1.3 mi.) | ultraviolet index in Mayo Key (Big Spanish Channel) (1.6 mi.) | ultraviolet index in Annette Key (North End, Big Spanish Channel) (2.1 mi.) | ultraviolet index in Porpoise Key (Big Spanish Channel) (2.3 mi.) | ultraviolet index in Crawl Key (Big Spanish Channel) (2.7 mi.) | ultraviolet index in Big Pine Key (West Side, Pine Channel) (2.7 mi.) | ultraviolet index in Water Key (West End, Big Spanish Channel) (2.9 mi.) | ultraviolet index in Big Pine Key (Doctors Arm, Bogie Channel) (3 mi.) | ultraviolet index in Big Pine Key (Bogie Channel Bridge) (3 mi.) | ultraviolet index in Little Spanish Key (Spanish Banks) (3 mi.) | ultraviolet index in Howe Key (Northwest End) (3 mi.) | ultraviolet index in Big Torch Key (Niles Channel) (3 mi.) | ultraviolet index in Big Torch Key (Harbor Channel) (4 mi.) | ultraviolet index in Little Pine Key (North End) (4 mi.) | ultraviolet index in Water Keys (South End, Harbor Channel) (4 mi.) | ultraviolet index in Big Pine Key (Pine Channel Bridge, North Side) (4 mi.) | ultraviolet index in Big Pine Key (Pine Channel Bridge, South Side) (4 mi.) | ultraviolet index in Little Torch Key (4 mi.) | ultraviolet index in Little Torch Key (Torch Channel) (4 mi.)