Monitoring data at Ibaraki prefecture [13; 00 May 5, 2011]
4-3-2-4 Radiation survey of environment
Reading of environmental radioactivity level by prefecture [13; 00 May 5, 2011]
Reading of environmental radioactivity level by prefecture [19; 00 May 5, 2011]
Reading of the radiation rate with the cooperation of universities [May 5, 2011]
Radioactivity concentration in the seawater near Fukushima Daiichi Nuclear Power Station [as of 20 March 2018]
Radioactivity concentration in the seawater near Fukushima Daiichi Nuclear Power Station [as of 13 March 2018]
Radioactivity concentration in the seawater near Fukushima Daiichi Nuclear Power Station [as of 6 March 2018]
Sea Area Monitoring [as of 26 March 2018]