Estimated and measured 1m height environmental radioactivity level at monitoring posts in 47 prefectures (Monitoring Date: Mar 30, 2015)
radiation monitoring
Readings of Integrated Dose at Sampling Point out of 20 km zone of TEPCO Fukushima Daiichi Nuclear Power Plant
Readings of air dose rate in 20km zone of TEPCO Fukushima Daiichi Nuclear Power Plant(Mar 24～26, 2015)
Reading of the radiation rate with the cooperation of universities [April 28, 2011]
Reading of environmental radioactivity level by prefecture [13; 00 April 29, 2011]
Reading of environmental radioactivity level by prefecture [19; 00 April 29, 2011]