Monitoring information of environmental radioactivity level
Nuclear Reguation Authority

Distribution map of radioactivity concentration in the seawater around Fukushima Dai-ichi NPP [TEPCO] (May 2015)

May 29,2015 (Friday)

May 22,2015 (Friday)

May 20,2015 (Wednesday)

May 15,2015 (Friday)

May 13,2015 (Wednesday)