ultraviolet index in Rollover Pass (tcoon) (1.8 mi.) | ultraviolet index in High Island (tcoon) (8 mi.) | ultraviolet index in Galveston Bay Entrance (South Jetty) (18 mi.) | ultraviolet index in Round Point (18 mi.) | ultraviolet index in Port Bolivar (21 mi.) | ultraviolet index in Galveston Pier 21 (23 mi.) | ultraviolet index in Galveston Pleasure Pier (24 mi.) | ultraviolet index in Umbrella Point (Trinity Bay) (26 mi.) | ultraviolet index in Texas City (Turning Basin) (26 mi.) | ultraviolet index in Point Barrow (Trinity Bay) (26 mi.) | ultraviolet index in Eagle Point (26 mi.) | ultraviolet index in Morgans Point (32 mi.)