Radioactivity concentration in the seawater near Fukushima Daiichi Nuclear Power Station [as of 27 March 2018]
4-3-2-4 Radiation survey of environment
(English version) Readings of environmental radiation level by emergency monitoring [May 27, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [May 28, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [May 29, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [May 30, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [May 31, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [June 1, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [June 2, 2011]