According to the monitoring data of MEXT, radiation level picked up throughout the western Japan in the night of 3/23/2012.
This monitoring data is manipulated to show lower results by setting the dosemeter extremely high from the ground.
(80.3m from the ground in Sendai)
However, the data of most of the monitoring posts showed the same trend this time.
Especially in Osaka, radiation level went over the past ordinary range.