ultraviolet index in Biri Island (5 km) | ultraviolet index in San Bernardino Island (18 km) | ultraviolet index in Mauo (26 km) | ultraviolet index in Catarman River Entr (29 km) | ultraviolet index in Gubat (43 km) | ultraviolet index in Butag Bay (53 km) | ultraviolet index in Sorsogon (57 km) | ultraviolet index in Laoang (Laoang Island) (66 km) | ultraviolet index in Calbayog (67 km) | ultraviolet index in Batuan Bay (Ticao Island) (73 km)