ultraviolet index in Everglades City (Barron River) (3 mi.) | ultraviolet index in Indian Key (6 mi.) | ultraviolet index in Chatham River Entrance (10 mi.) | ultraviolet index in Round Key (11 mi.) | ultraviolet index in Pumpkin Bay (13 mi.) | ultraviolet index in Coon Key (18 mi.) | ultraviolet index in Cape Romano (20 mi.) | ultraviolet index in Onion Key (Lostmans River) (20 mi.) | ultraviolet index in Lostmans River Entrance (20 mi.) | ultraviolet index in Marco Island (Caxambas Pass) (24 mi.) | ultraviolet index in Mcilvaine Bay (24 mi.) | ultraviolet index in Marco (Big Marco River) (25 mi.) | ultraviolet index in Keewaydin Island (inside) (29 mi.) | ultraviolet index in Naples Bay (35 mi.)