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Radioactivity in outdoor air STUK monitors the levels of radioactive substances outdoors at eight localities in Finland. You can retrieve measurement data from different periods by first selecting the location. The measurements are very accurate a...https://stuk.fi/en/radioactivity-in-outdoor-air
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Radioactivity in surface water Analyzing radioactive materials in surface waters provides information on their time behaviour. Samples taken from different bodies of water indicate the geographic variation of radionuclides. Starting from 2024, the...https://stuk.fi/en/radioactivity-in-surface-water
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Radioactivity in consumer products The use of radioactive substances in consumer products is restricted by radiation legislation. However, some products may contain small quantities of radioactive substances that may have been added for properties...https://stuk.fi/en/radioactivity-in-consumer-products
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Health effects of radiation Units of measurement: Gray (Gy) Unit of an absorbed dose, indicating how much energy the ionizing radiation gives out to the target substance. 1 Gy = 1 J/kg. Sievert (Sv) A unit of radiation dose indicating the health d...https://stuk.fi/en/health-effects-of-radiation
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Reporting on nuclear safety Valitse kieli Suomi Välj språket Svenska Select language English In this section, we report on the regulatory oversight of nuclear safety and security carried out by the Radiation and Nuclear Safety Authority (STUK) and...https://stuk.fi/en/reporting-on-nuclear-safety
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Valitse kieli Suomi Välj språket Svenska Select language English Cooperation with Ukraine strengthened Russia's war of aggression in Ukraine which began in 2022 has changed the country’s radiation and nuclear safety situation. In 2023, the Nordic ...https://stuk.fi/en/cooperation-with-ukraine-strengthened
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Incident learning systems (WP6) WP6 will help healthcare organisations and countries learn systematically from radiation incidents and near misses. What this work package will do The work package will develop harmonised guidance, reporting templat...https://stuk.fi/en/aurorad-project/incident-learning-systems
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Radioactivity of the deposition Deposition refers to radioactive substances that have fallen to the ground or water from air. Deposition may come with rain as a wet deposition or as a dry deposition. Analyzing deposition samples provides informati...https://stuk.fi/en/radioactivity-of-the-deposition
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9.9.2026 | MEASUREMENT INSTRUCTION: WORKPLACE RADON MEASUREMENT STUK SÄTEILYTURVAKESKUS STRÅLSÄKERHETSCENTRALEN RADIATION AND NUCLEAR SAFETY AUTHORITY Osoite | Adress | Jokiniemenkuja 1, 01370 Vantaa | Ånäsgränden 1, 01370 Vanda Address | Jokiniemenkuja 1, 0...https://stuk.fi/documents/150192312/226230938/E_Ty%C3%B6paikan_sis%C3%A4ilman_radonmittausohje_2026.pdf/33743472-fa7a-9243-fb55-164a5d4b2c5e?t=1788937760412
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9.9.2026 | MEASUREMENT INSTRUCTION: INDOOR RADON MEASUREMENT STUK SÄTEILYTURVAKESKUS STRÅLSÄKERHETSCENTRALEN RADIATION AND NUCLEAR SAFETY AUTHORITY Osoite | Adress | Jokiniemenkuja 1, 01370 Vantaa | Ånäsgränden 1, 01370 Vanda Address | Jokiniemenkuja 1, 0137...https://stuk.fi/documents/150192312/226230938/E_Asunnon_sis%C3%A4ilman_radonmittausohje_2026.pdf/6705c7e0-ecf1-2232-c3b0-7d19a312dcab?t=1788936840021
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Radiation and Nuclear Safety Authority in 2024 Valitse kieli Suomi Välj språket Svenska Select language English General Director's review We strive for radiation-safe well-being A year of developing preparedness The use of nuclear energy carried o...https://stuk.fi/en/year-2024-in-stuk
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Current issues and results This page will provide timely information on AURORad activities, events, resources and results as they become available. AURORad starts on 1 October 2026. During its first phase, the consortium will establish project gov...https://stuk.fi/en/aurorad-project/current-issues-and-results
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Press releases and news Current press releases and news from STUK are published here. Please enter one or more search word Select year All 2026 2025 2024 2023 2022 2021 Search Clear 106 results 03.09.2026 12.01 Press release IAEA Press Release: IA...https://stuk.fi/en/press-releases-and-news
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Preparedness for radiation hazards Although the likelihood of a serious radiation hazard situation in Finland is small, preparations have been made, as an accident cannot be completely ruled out. The Radiation and Nuclear Safety Authority (STUK) m...https://stuk.fi/en/preparedness-for-radiation-hazards
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organisation and management team The Radiation and Nuclear Safety Authority (STUK) is the authority responsible for supervising radiation and nuclear safety in Finland. STUK’s operations are based on the Act on the Radiation and Nuclear Safety Aut...https://stuk.fi/en/organisation-and-management-team
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What is UV radiation? The sun's ultraviolet (UV) radiation is the most important source of UV radiation in the living environment. Exposure of the skin to large amounts of UV radiation and skin burn increase the risk of skin cancer. UV radiation c...https://stuk.fi/en/what-is-uv-radiation
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Beauty care and sunbeds Radiation is used in many beauty treatments such as hair removal, skin cleansing, hardening lash glue or treatments to improve the appearance of the skin. The radiation used can be ultrasound, visible light, electromagnetic...https://stuk.fi/en/beauty-care-and-sunbeds
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Monitoring of environmental radiation The purpose of the surveillance of environmental radiation is to assess the radiation safety of the Finnish environment. The concept of environment refers to factors that are present in the natural or built en...https://stuk.fi/en/monitoring-of-environment-radiation
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Radiation situation in Europe The EURDEP platform is operated by the Joint Research Centre (JRC) of the European Commission. EURDEP (EUropean Radiological Data Exchange Platform) is the European information exchange system for radioactivity measur...https://stuk.fi/en/radiation-in-europe
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E-services and forms The content of this page is available in Finnish and Swedish. If you have any inquiries please contact us at [email protected] . Hiddenhttps://stuk.fi/en/forms