Monitoring information
of environmental radioactivity level
NSR:Nuclear Regulation Authority

Updates

April 18,2014
Distribution map of radioactivity in the marine soil around TEPCO Fukushima Dai-ichi NPP (Converted as dry soil)(Sampling Date: Mar 2 - Mar 29, 2014)
April 18,2014
Estimated and measured 1m height environmental radioactivity level at monitoring posts in 47 prefectures (Monitoring Date: April 17, 2014)
April 18,2014
Seawater radioactivity near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Apr 16, 2014)
April 17,2014
Distribution map of radioactivity concentration in the seawater around coast of Miyagi Prefecture (Sampling Date: Mar 18, 2014)
April 17,2014
Seawater radioactivity near TEPCO Fukushima Dai-ichi NPP (Sampling Date: Apr 15, 2014)

Topics

Recent sea area monitoring results

Monitoring plans

Monitoring results

Air dose rate

Integreted dose

Readings of dust, soil and environmental sampling

Database / Distribution map

Related Information



Contacts

Radiation Monitoring Division
Tel : 03-5114-2125