Related to this article..33mSv/y measured at over 26 schools in Fukushima and it’s concealed
4/22/2012, it was 0.43 μSv/h at 1m height from the ground. (in front of the gate of Fukushima Daisan elementary school.)
It was 10.12 μSv/h above the sand near rain drain. 20.12 μSv/h on mud in rain drain.
62km from Fukushima plants.