ultraviolet index in Port Bongao (Tawitawi Island) (13 km) | ultraviolet index in Tataan Pass (Tawitawi Island) (22 km) | ultraviolet index in Banaran Island (24 km) | ultraviolet index in Gallo Malo Channel (s. Entr) (39 km) | ultraviolet index in Basbas Channel (Tawitawi Island) (49 km) | ultraviolet index in Tandugan Channel (Tawitawi Island) (51 km) | ultraviolet index in Tumindao Channel (61 km) | ultraviolet index in South Ubian Island (70 km) | ultraviolet index in Lahatlahat Island (79 km) | ultraviolet index in Pearl Bank (89 km)