A Notice to Airmen (NOTAM) has been issued for Kwajalein Atoll in the Marshall Islands, warning of a severe radiation hazard. The airspace north of the airport's runway should be avoided at all costs, as it poses significant risks to life. In order to mitigate these dangers, all flights are directed to utilize southern approach
It doesn’t say ionizing either bud. Radar at close up or very high levels can fuckup avionics leading to crashes.
If it were ionizing they would probably say more because wind in that area isn’t constant direction.