Radon is an odorless, tasteless and invisible radioactive noble gas that a human cannot sense in any way. Radon can be detected only with special measuring equipment. High radon levels may cause lung cancer.
Recommendations for maximum levels of radon
- The level of radon in a dwelling’s indoor air should not be over 400 Bq/m³
- New constructions should be designed and built in such a way that the radon level does not go over 200 Bq/m³
A gravel ridge and rock are places where radon levels may rise above the reference values. Turku has mainly been founded on clay and thus does not belong to the risk area. On the other hand, radon levels may differ significantly between buildings close to one another if one of the buildings is on rock and another one is on a field of clay.
If you are interested in the radon level of your dwelling, you can order measurement packs from STUK (Radiation and Nuclear Safety Authority, Finland).
- STUK: Asuntojen radonmittaus (in Finnish)