Finland’s Radiation and Nuclear Safety Authority (#STUK) detected trace radioactive isotopes in air samples from #Rovaniemi, #Kuopio and #Imatra in mid-January. Levels were above detection limits but harmless, with an unknown source not linked to Finnish nuclear plants.
https://stuk.fi/-/vahainen-maara-radioaktiivisia-aineita-ulkoilmassa-1



