Workplace radon concentrations in Finland

Indoor radon levels may vary greatly even within one postal code area. In addition, the way the house is built affects the radon concentration. 

Search the regional workplace radon measurement data

The search results include the postal code areas or municipalities (names in Finnish only) where at least five workplace measurements have been conducted. The results include the results of the radon track-etch detector measurements (Jan 2014 - Feb 2022) in underground workplaces and regular above-ground workplaces.

The radon concentration at workplaces must not exceed the reference level of 300 Bq/m3 during regular work (Decree of the Ministry of Social Affairs and Health on ionising radiation, Section 19).

The search functions below are only in Finnish.

Search radon measurement results for workplaces

Radon measurement results by postal code for workplaces (.xls, in Finnish)
Radon measurement results by municipality for workplaces (.xls, in Finnish)

Find about the radon concentrations in your residential area

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