ultraviolet index in Gallo Malo Channel (s. Entr) (18 km) | ultraviolet index in Batu Batu Bay (Tawitawi Island) (24 km) | ultraviolet index in Tataan Pass (Tawitawi Island) (29 km) | ultraviolet index in Tandugan Channel (Tawitawi Island) (31 km) | ultraviolet index in Port Bongao (Tawitawi Island) (37 km) | ultraviolet index in Basbas Channel (Tawitawi Island) (38 km) | ultraviolet index in South Ubian Island (48 km) | ultraviolet index in Lahatlahat Island (72 km) | ultraviolet index in Tumindao Channel (81 km) | ultraviolet index in Port Siasi (Siasi Island) (98 km)