ultraviolet index in Pago Bay (Guam) (86 km) | ultraviolet index in Apra harbor (Guam) (92 km) | ultraviolet index in Tinian Island (106 km) | ultraviolet index in Saipan Harbor (Saipan Island) (134 km) | ultraviolet index in Tanapag Harbor (Saipan Island) (138 km) | ultraviolet index in Pagan Island (450 km) | ultraviolet index in Ifalik Atoll (769 km) | ultraviolet index in Namonuito Atoll (791 km) | ultraviolet index in Pulap Atoll (861 km) | ultraviolet index in Nomwin Atoll (962 km)