Monitoring information of environmental radioactivity level
Nuclear Reguation Authority

Reading of environmental radioactivity level by prefecture (May 2018)

May 29,2018 (Tuesday)

May 25,2018 (Friday)

May 22,2018 (Tuesday)

May 18,2018 (Friday)

May 15,2018 (Tuesday)

May 11,2018 (Friday)

May 08,2018 (Tuesday)

May 01,2018 (Tuesday)