Monitoring information of environmental radioactivity level
Nuclear Reguation Authority

Reading of environmental radioactivity level by prefecture

Results of this month

October 19,2018 (Friday)

October 16,2018 (Tuesday)

October 12,2018 (Friday)

October 09,2018 (Tuesday)

October 05,2018 (Friday)

October 02,2018 (Tuesday)

Results of the past