Radioactivity monitoring stations throughout the DPRK have detected radioactive particles in the air — radioactive iodine-131 and cesium-137 apparently from the Fukushima Nuclear Power Plant of Japan.
Their density was tested to be about 0.03mBq and 0.04mBq per cubic meter respectively.
The amount of iodine-131 is one two hundred and forty thousandth of the permitted
