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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

If you are planning to build your own detached house, you should also devote time to consider the radon issues. Prevention of radioactive radon in the construction phase is easier and less expensive than implementing mitigation measures afterwards.

Radiation today

0.13 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

If you are planning to build your own detached house, you should also devote time to consider the radon issues. Prevention of radioactive radon in the construction phase is easier and less expensive than implementing mitigation measures afterwards.

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.