ultraviolet index in Pago Bay (Guam) (15 km) | ultraviolet index in Rota Island (92 km) | ultraviolet index in Tinian Island (199 km) | ultraviolet index in Saipan Harbor (Saipan Island) (226 km) | ultraviolet index in Tanapag Harbor (Saipan Island) (230 km) | ultraviolet index in Pagan Island (535 km) | ultraviolet index in Ifalik Atoll (689 km) | ultraviolet index in Namonuito Atoll (769 km) | ultraviolet index in Pulap Atoll (829 km) | ultraviolet index in Nomwin Atoll (956 km)