(English version) Readings of environmental radiation level by emergency monitoring [June 24, 2011]
4-3-2-4 Radiation survey of environment
(English version) Readings of environmental radiation level by emergency monitoring [June 29, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [July 4, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [July 8, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [July 11, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [July 15, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [July 18, 2011]
(English version) Readings of environmental radiation level by emergency monitoring [July 22, 2011]
Estimated and measured 1m height environmental radioactivity level at monitoring posts in 47 prefectures (Monitoring Date: Dec 30, 2015)