ultraviolet index in Culion. Culion Isl (25 km) | ultraviolet index in Halsey Harbor (Culion Island) (36 km) | ultraviolet index in San Miguel (Linacapan Island) (68 km) | ultraviolet index in Apo Island (Mindoro Str) (75 km) | ultraviolet index in San Nicolas (Linapacan Island) (76 km) | ultraviolet index in Northwest Bay (Linapacan Island) (77 km) | ultraviolet index in Mangarin (105 km) | ultraviolet index in Sablayan (110 km) | ultraviolet index in Batas Island (115 km) | ultraviolet index in Bacuit (128 km)