Radiation Warnings worldwide
Nuclear events, radiological releases and iodine advice — covered for 36 countries. Radiation warnings are issued by nuclear regulators and civil protection after a release of radioactive material, or as a precaution around a nuclear facility.
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What counts as a radiation warnings
Radiation warnings are issued by nuclear regulators and civil protection after a release of radioactive material, or as a precaution around a nuclear facility. Protective measures are specific and ordered: sheltering, closing ventilation, taking stable iodine only when instructed, and avoiding contaminated food and water.
If a warning is active
- Shelter indoors, close windows and switch off ventilation until told otherwise.
- Take stable iodine only on official instruction - never on your own.
- Do not consume fresh local produce, milk or rainwater until cleared.
Sources used for this category
IAEA, national nuclear regulators, civil protection agencies, CTBTO. Waarning reads these public feeds directly in your browser; the official warning always keeps the name of the authority that issued it.
Radiation Warnings in Europe
Radiation Warnings in Asia
Radiation Warnings in Africa
Radiation Warnings in North America
Frequently asked questions
What is a radiation warning?
Radiation warnings are issued by nuclear regulators and civil protection after a release of radioactive material, or as a precaution around a nuclear facility. Protective measures are specific and ordered: sheltering, closing ventilation, taking stable iodine only when instructed, and avoiding contaminated food and water.
Where does Waarning get radiation warnings from?
Public sources: IAEA, national nuclear regulators, civil protection agencies, CTBTO. Waarning never re-labels an official warning as its own.
Other warning categories
Generated 2026-10-12.