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Radiation and Nuclear Safety Authority of Finland

The aim of the Radiation and Nuclear Safety Authority’s (STUK) operations is to protect people, society, the environment and future generations from the harmful effects of radiation.

Current issue

Posiva, which is responsible for the final disposal of spent nuclear fuel generated at the Loviisa and Olkiluoto nuclear power plants, has not completed the materials necessary for the Radiation and Nuclear Safety Authority (STUK) to conduct a safety assessment concerning the plant’s operatin...

Radiation today

0.106 µSv/h
0.00 - 0.10 µSv/h
0.10 - 0.20 µSv/h
0.20 - 0.30 µSv/h
0.30 - 0.40 µSv/h
0.40 - µSv/h

Press releases and news

Posiva, which is responsible for the final disposal of spent nuclear fuel generated at the Loviisa and Olkiluoto nuclear power plants, has not completed the materials necessary for the Radiation and Nuclear Safety Authority (STUK) to conduct a safety assessment concerning the plant’s operatin...

The Radiation and Nuclear Safety Authority will measure the radioactivity of students and staff at the Kumpula campus of the University of Helsinki this week. Measurements will be carried out in Tampere next week and in Rovaniemi after the turn of the year.

People who use radiation in their work are mostly satisfied with the Radiation Act and the regulations clarifying the Act. However, according to a survey conducted by the Radiation and Nuclear Safety Authority, there is still room for improvement in the provision of information and instructions.