Monitoring information of environmental radioactivity level
Nuclear Reguation Authority

Reading of environmental radioactivity level by prefecture

Results of this month

June 19,2018 (Tuesday)

June 15,2018 (Friday)

June 12,2018 (Tuesday)

June 08,2018 (Friday)

June 05,2018 (Tuesday)

June 01,2018 (Friday)

Results of the past