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Directorate · Ministry of Health and Care Services
Norwegian Radiation and Nuclear Safety Authority (DSA)
The Norwegian Radiation and Nuclear Safety Authority is the authority for radiation protection, nuclear safety and nuclear emergency preparedness.
Latest from Norwegian Radiation and Nuclear Safety Authority (DSA)
- Report
Radioactive caesium in wild berries: highest in Innlandet and Trøndelag, and in cloudberries
- The amount of radioactive caesium (Cs-137) in wild berries differs a lot between berry types and between regions of Norway.
- Innlandet and parts of Trøndelag have the highest levels. Northern Norway has low to moderate levels. The figures also show data for Møre og Romsdal, Troms and Finnmark.
Food safetyPollution+ 1 more bullet in the app - Report
40 years after Chornobyl, caesium-137 in wild reindeer has barely declined lately and varies from year to year, possibly due to mushrooms
- After the Chornobyl accident in 1986, radioactive caesium in wild reindeer rose quickly in winter 1987–1988. The reindeer ate contaminated lichen in winter.
- In Rondane, winter levels reached 13,500 Bq/kg in reindeer meat (Bq, becquerel, measures radioactivity). The highest measurement was 25,000 Bq/kg. Lichen reached 68,000 Bq/kg.
Food safetyNaturePollution+ 10 more bullets in the app - Press release
New national radon map from NGU and DSA shows where risk is highest – but all homeowners should still measure
- NGU and DSA have made a new map showing where radon risk is greatest in Norway. It has four levels: low, medium, high and very high. It also shows where there is uranium, which radon comes from. For some areas the data are uncertain or incomplete.
- Radon in homes is thought to cause about 300 lung cancer deaths in Norway each year. Norway is extra exposed because of its bedrock and cold climate.
Construction rulesMunicipalitiesPlan and area+ 7 more bullets in the app - Public consultation
DSA puts NND's Kjeller licence application out for consultation and holds a public hearing meeting on 14 October 2026
- NND has applied for a licence to take over the Kjeller nuclear facility from IFE. DSA is writing a recommendation to the Ministry of Health and Care Services, and the government decides. Without a licence, the facility cannot be transferred.
- On 11 May 2026 the government decided, on DSA's advice, to speed up the transfer. The state is mainly responsible for closing down and cleaning up IFE's nuclear facilities. NND was set up in 2018 to do this.
EnergyPublic administrationWaste and recycling+ 4 more bullets in the app - Press release
Norway's radiation authority urges everyone to test for radon, yet only 20 percent have
- Radon is one of the main causes of lung cancer in Norway, after smoking. Radon in homes is thought to cause about 400 cases a year. Norway is especially affected because of its bedrock and cold climate.
- DSA (the Norwegian Radiation and Nuclear Safety Authority) says everyone should test for radon. The exception is apartments on the third floor or higher, where radon is usually low.
Construction rulesHousing politicsPublic health+ 7 more bullets in the app - News article
Norway joins steering group of ATLAS – new international initiative for nuclear-powered ships
- ATLAS is a new international partnership launched in Washington in late August 2026 to create shared rules for ships powered by nuclear reactors. Norway signed the joint statement from the meeting.
- DSA — Norway's radiation and nuclear safety authority — delivered Norway's speech and has joined the steering group led by the UN's nuclear watchdog, IAEA, meaning Norway helps shape the agenda rather than just observe.
BusinessClimateEnergy+ 5 more bullets in the app - Report
Chernobyl-derived caesium-137 still detected in Norwegian wild reindeer, highest in Rondane Nord and Snøhetta
- Even 40 years after the Chernobyl nuclear accident in 1986, scientists are still finding radioactive caesium-137 in Norwegian wild reindeer — and the decline has nearly plateaued over the last ten years.
- Levels vary widely but have averaged between roughly 30 and 900 becquerels per kilogram of reindeer meat across the areas studied.
Food safetyPollutionPredators and wildlife+ 3 more bullets in the app - Report
Comprehensive survey confirms effective radiation safety in transport of radioactive material in Norway, focusing on pharmaceuticals and the need for continued dose monitoring
- The report covers transport of over 25,000 radioactive packages in Norway in 2023, mostly by road and air, mainly radiopharmaceuticals.
- Radiopharmaceuticals are the largest group and have higher radiation, but driver doses are low, mostly under 1 mSv yearly.
AviationEnergyRoad+ 8 more bullets in the app - Report
Norwegian consequences from the Chernobyl disaster: radioactive fallout, long-term impacts, agriculture measures, and emergency preparedness over 40 years
- The 1986 Chernobyl accident released radioactive material that contaminated mountain areas in Norway, affecting reindeer, sheep, and traditional Sami food.
- Norwegian authorities were unprepared, had poor equipment and late warnings, and had to quickly build monitoring and control systems.
AgricultureBusinessFood safety+ 8 more bullets in the app - Statistics
Caesium-137 in Norwegian wild reindeer fell sharply 2001–2024, but Rondane Nord and Snøhetta remain highest
- Each year, DSA measures how much of the radioactive substance caesium-137 is found in wild reindeer meat across six Norwegian areas. Levels have dropped clearly in all areas from 2001 to 2024.
- Rondane Nord has had the highest readings — over 3,000 becquerels per kilogram of meat at its peak. Snøhetta has exceeded 2,000 becquerels per kilogram.
Food safetyPollutionPredators and wildlife+ 3 more bullets in the app
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