ultraviolet index in Batu Batu Bay (Tawitawi Island) (13 km) | ultraviolet index in Tataan Pass (Tawitawi Island) (32 km) | ultraviolet index in Banaran Island (37 km) | ultraviolet index in Tumindao Channel (48 km) | ultraviolet index in Gallo Malo Channel (s. Entr) (53 km) | ultraviolet index in Basbas Channel (Tawitawi Island) (61 km) | ultraviolet index in Tandugan Channel (Tawitawi Island) (64 km) | ultraviolet index in South Ubian Island (83 km) | ultraviolet index in Lahatlahat Island (89 km) | ultraviolet index in Pearl Bank (91 km)