Monitoring information of environmental radioactivity level
Nuclear Reguation Authority

Readings at Reading Points out of 20km zone of TEPCO Fukushima Dai-ichi NPP


 The Nuclear Regulation Authority conducts monitoring of air dose rates at specific points out of the 20 km zone of TEPCO’s Fukushima Daiichi NPP and renews the monitoring data once a month.


 ※ The maps of measurement points and trend graph are as follows:
Kawamata-town (Graph) Minami Soma city (Graph) Kawauchi village (Graph) Katsurao village (Graph)
Fukushima city (Graph) Date city (Graph) Koriyama city (Graph) Soma city (Graph)
Tamura city (Graph) Naraha town, Hirono town (Graph) Namie town (Graph) Iitate village (Graph)
Nihonmatsu city (Graph) Motomiya city (Graph) Ono town (Graph) Iwaki city (Graph)

 The transition charts for the monitoring results (between March 17, 2011 and March 31, 2013) of air dose rates out of the 20 km zone of TEPCO’s Fukushima Daiichi NPP are here.

Results of this month

November 06,2017 (Monday)

Results of the past