Environmental radiation

STUK monitors radioactivity in the environment in many ways. The objective is to be constantly aware of the levels of radiation exposure to people and the environment in Finland.

Radiation today

See radiation today

There is an automatic external radiation monitoring network in Finland that includes 255 measurement stations. The measurement data is updated on the STUK website once an hour.

Find the latest results on external radiation around Finland

Radioactive materials in outdoor air

STUK monitors the levels of radioactive substances outdoors at eight localities in Finland.
Measurement data

Monitoring of environmental radiation

In Finland, the Radiation and Nuclear Safety Authority is responsible for nationwide environmental radiation control. Information on the annual environmental radiation control programme and subprogrammes can be found in the STUK supervises section.