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Radiation and Nuclear Safety Authority of Finland

The Radiation and Nuclear Safety Authority is an independent authority and expert organization whose task is to advance and supervise radiation safety and the safe use of nuclear energy in Finland.

Current issue

According to a report by the Radiation and Nuclear Safety Authority, radon concentrations may vary significantly between the dwellings within the same housing company. Radon concentration does not remain constant even in an individual dwelling. Radon prevention in the construction phase of new...

Radiation today

0.102 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

According to a report by the Radiation and Nuclear Safety Authority, radon concentrations may vary significantly between the dwellings within the same housing company. Radon concentration does not remain constant even in an individual dwelling. Radon prevention in the construction phase of new...

The Radiation and Nuclear Safety Authority is involved in cooperation where the safety of a small modular reactor (SMR) in planning phase is assessed by the nuclear safety authorities of different countries. The final report of the project has just been published. The cooperation also provided Finns with tools f...

A drone operator holds a source of radiation in their hands. The amount of power required for controlling a drone can be quite small. The necessary power is far too small in quantity to warm the operator’s tissue or to have other effects.