Readings at monitoring post out of 20 km zone of Fukushima Daiichi Nuclear Power Plant [16; 00 April 23, 2011]
4-3-2-4 Radiation survey of environment
Readings at monitoring post out of 20 km zone of Fukushima Daiichi Nuclear Power Plant [19; 00 April 23, 2011]
Readings at monitoring post out of 20 km zone of Fukushima Daiichi Nuclear Power Plant [10; 00 April 24, 2011]
Readings at monitoring post out of 20 km zone of Fukushima Daiichi Nuclear Power Plant [13; 00 April 24, 2011]
Readings at monitoring post out of 20 km zone of Fukushima Daiichi Nuclear Power Plant [16; 00 April 24, 2011]
Readings at monitoring post out of 20 km zone of Fukushima Daiichi Nuclear Power Plant [19; 00 April 24, 2011]
Readings at monitoring post out of 20 km zone of Fukushima Daiichi Nuclear Power Plant [10; 00 April 25, 2011]
Estimated and measured 1m height environmental radioactivity level at monitoring posts in 47 prefectures (Monitoring Date: Oct 19, 2015)