That day it rained in all areas all day long, it noted, saying that such spring rainfall would usually be welcomed as sweet or honey one but this time people were displeased with it for fear of radioactive damage.

In facts, the level of radioactive substances such as iodine and cesium, detected in the rain on Jeju Island that morning, is higher than previously detected one, it reported.

The spring rain that day is arousing people's concern about radioactive damage, it added.