ultraviolet index in Tandugan Channel (Tawitawi Island) (19 km) | ultraviolet index in Gallo Malo Channel (s. Entr) (24 km) | ultraviolet index in Tataan Pass (Tawitawi Island) (32 km) | ultraviolet index in Lahatlahat Island (34 km) | ultraviolet index in South Ubian Island (36 km) | ultraviolet index in Banaran Island (38 km) | ultraviolet index in Batu Batu Bay (Tawitawi Island) (49 km) | ultraviolet index in Port Bongao (Tawitawi Island) (61 km) | ultraviolet index in Port Siasi (Siasi Island) (70 km) | ultraviolet index in Pearl Bank (77 km)
