Radon Data by Country
Browse radon regulations, reference levels, and geographic data by country. Countries are organized by whether they have specific radon legislation.
Countries with Radon Legislation
Countries with specific regulations, reference levels, and legal requirements
Australia
Reference Level
200 Bq/m³
Competent Authority
Australian Radiation Protection and Nuclear Safety Agency (ARPANSA)
Austria
Reference Level
300 Bq/m³
Competent Authority
Federal Ministry for Climate Action (BMK)
Belgium
Reference Level
300 Bq/m³
Competent Authority
Federal Agency for Nuclear Control (FANC/AFCN)
Canada
Reference Level
200 Bq/m³
Competent Authority
Health Canada
China
Reference Level
300 Bq/m³
Competent Authority
China CDC / Ministry of Ecology and Environment
Czech Republic
Reference Level
300 Bq/m³
Competent Authority
State Office for Nuclear Safety (SÚJB)
Denmark
Reference Level
100 Bq/m³
Competent Authority
Danish Health Authority (Sundhedsstyrelsen)
Finland
Reference Level
300 Bq/m³
Competent Authority
Radiation and Nuclear Safety Authority (STUK)
France
Reference Level
300 Bq/m³
Competent Authority
Autorité de Sûreté Nucléaire (ASN)
Germany
Reference Level
300 Bq/m³
Competent Authority
Bundesamt für Strahlenschutz (BfS)
Greece
Reference Level
300 Bq/m³
Competent Authority
Greek Atomic Energy Commission (EEAE)
Iceland
Competent Authority
Icelandic Radiation Safety Authority (Geislavarnir ríkisins)
Ireland
Reference Level
200 Bq/m³
Competent Authority
Environmental Protection Agency (EPA Ireland)
Italy
Reference Level
300 Bq/m³
Competent Authority
ISPRA (Istituto Superiore per la Protezione e la Ricerca Ambientale)
Japan
Netherlands
Reference Level
100 Bq/m³
Competent Authority
Authority for Nuclear Safety and Radiation Protection (ANVS)
New Zealand
Competent Authority
Health New Zealand | Te Whatu Ora
Norway
Reference Level
200 Bq/m³
Competent Authority
Norwegian Radiation and Nuclear Safety Authority (DSA)
Poland
Reference Level
300 Bq/m³
Competent Authority
National Atomic Energy Agency (PAA)
Portugal
Reference Level
300 Bq/m³
Competent Authority
Direção-Geral da Saúde (DGS)
Spain
Reference Level
300 Bq/m³
Competent Authority
Consejo de Seguridad Nuclear (CSN)
Sweden
Reference Level
200 Bq/m³
Competent Authority
Swedish Radiation Safety Authority (SSM)
Switzerland
Reference Level
300 Bq/m³
Competent Authority
Federal Office of Public Health (FOPH)
United Kingdom
Reference Level
200 Bq/m³
Competent Authority
UK Health Security Agency (UKHSA)
United States
Reference Level
148 Bq/m³
Competent Authority
U.S. Environmental Protection Agency (EPA)