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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)

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Austria

Reference Level

300 Bq/m³

Competent Authority

Federal Ministry for Climate Action (BMK)

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Belgium

Reference Level

300 Bq/m³

Competent Authority

Federal Agency for Nuclear Control (FANC/AFCN)

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Canada

Reference Level

200 Bq/m³

Competent Authority

Health Canada

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China

Reference Level

300 Bq/m³

Competent Authority

China CDC / Ministry of Ecology and Environment

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Czech Republic

Reference Level

300 Bq/m³

Competent Authority

State Office for Nuclear Safety (SÚJB)

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Denmark

Reference Level

100 Bq/m³

Competent Authority

Danish Health Authority (Sundhedsstyrelsen)

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Finland

Reference Level

300 Bq/m³

Competent Authority

Radiation and Nuclear Safety Authority (STUK)

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France

Reference Level

300 Bq/m³

Competent Authority

Autorité de Sûreté Nucléaire (ASN)

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Germany

Reference Level

300 Bq/m³

Competent Authority

Bundesamt für Strahlenschutz (BfS)

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Greece

Reference Level

300 Bq/m³

Competent Authority

Greek Atomic Energy Commission (EEAE)

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Iceland

Competent Authority

Icelandic Radiation Safety Authority (Geislavarnir ríkisins)

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Ireland

Reference Level

200 Bq/m³

Competent Authority

Environmental Protection Agency (EPA Ireland)

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Italy

Reference Level

300 Bq/m³

Competent Authority

ISPRA (Istituto Superiore per la Protezione e la Ricerca Ambientale)

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Japan

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Netherlands

Reference Level

100 Bq/m³

Competent Authority

Authority for Nuclear Safety and Radiation Protection (ANVS)

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New Zealand

Competent Authority

Health New Zealand | Te Whatu Ora

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Norway

Reference Level

200 Bq/m³

Competent Authority

Norwegian Radiation and Nuclear Safety Authority (DSA)

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Poland

Reference Level

300 Bq/m³

Competent Authority

National Atomic Energy Agency (PAA)

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Portugal

Reference Level

300 Bq/m³

Competent Authority

Direção-Geral da Saúde (DGS)

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Spain

Reference Level

300 Bq/m³

Competent Authority

Consejo de Seguridad Nuclear (CSN)

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Sweden

Reference Level

200 Bq/m³

Competent Authority

Swedish Radiation Safety Authority (SSM)

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Switzerland

Reference Level

300 Bq/m³

Competent Authority

Federal Office of Public Health (FOPH)

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United Kingdom

Reference Level

200 Bq/m³

Competent Authority

UK Health Security Agency (UKHSA)

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United States

Reference Level

148 Bq/m³

Competent Authority

U.S. Environmental Protection Agency (EPA)

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