The Institute for Nuclear Power Development of the Russian Academy of Sciences. The official site of Rosatom. The map shows the readings of sensors in the area of Russia's nuclear power plants. They say that the data is output to the site automatically, without the participation of people. And so we see the real situation.
An open source project to create a network for monitoring radiation meter readings. So far, the results there are not as noticeable as on other projects, but the availability of the source code makes it possible to use their developments.