Monitoring information of environmental radioactivity level
Nuclear Reguation Authority

Reading of environmental radioactivity level by prefecture (May 2019)

May 31,2019 (Friday)

May 28,2019 (Tuesday)

May 24,2019 (Friday)

May 21,2019 (Tuesday)

May 17,2019 (Friday)

May 14,2019 (Tuesday)

May 10,2019 (Friday)