ultraviolet index in Marco (Big Marco River) (4 mi.) | ultraviolet index in Cape Romano (5 mi.) | ultraviolet index in Mcilvaine Bay (6 mi.) | ultraviolet index in Coon Key (6 mi.) | ultraviolet index in Keewaydin Island (inside) (8 mi.) | ultraviolet index in Pumpkin Bay (11 mi.) | ultraviolet index in Round Key (13 mi.) | ultraviolet index in Naples (16 mi.) | ultraviolet index in Naples Bay (16 mi.) | ultraviolet index in Indian Key (18 mi.) | ultraviolet index in Everglades City (Barron River) (22 mi.) | ultraviolet index in Chokoloskee (24 mi.) | ultraviolet index in Cocohatchee River (U.s. 41 Bridge) (26 mi.) | ultraviolet index in Wiggins Pass (Cocohatchee River) (27 mi.) | ultraviolet index in Chatham River Entrance (31 mi.)