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Post 2011.3.11 General Information


Earthquake Information


Japan Meteorological Agency 


Distance from Fukushima Daiichi Nuclear Plant and Radiation Dose Measurements


Dose of Radiation in the World


Latest Radiological Monitoring data in the Major Cities


The dose of radiation in Tokyo is not high in comparison with that in major cities in the world.


City Dose of Radiation (uSv/h) Date of measurement Referring Website
Tokyo 0.037 Sep. 18, 2019 Environmental radiation levels in Tokyo 
New York State 0.046 Jan. 18, 2019 EPA 
Paris 0.043 October. 15, 2017 IRSN 
Berlin 0.078 Sep. 27, 2019 ODL-INFO 
London 0.108 January. 24, 2018 EURDEP web-site 
Singapore 0.1 Sep. 26, 2019 National Environmant Agency 
Hong Kong 0.09-0.14 Sep. 27, 2019 Hong Kong Observatory 
Beijing * 0.072 Sep. 24, 2019 National Radiation Environmental Data 
Taipei 0.057 Jan. 21, 2019 Atomic Energy Council 
Seoul 0.119 Sep. 24, 2019 IERNet 

(*) Unit in original data is nGy/h. The figure in this table is estimated as 1uGy/h=0.8uSv/h.​European Radiological Data Exchange Platform(EURDEP) 


Monitoring Information of environmental radioactivity level

Readings of environmental radioactivity level by prefecture


Source ? Japanese Government Ministry of Education, Culture, Sports, Science and Technology (MEXT)
MEXT Official Statement:
The Japanese Government is closely monitoring radiation levels to ensure that produce with elevated levels of radioactivity is not distributed for consumption.​For details of the monitoring data of radiation, please click this link .


Readings of environmental radioactivity level in Fukushima prefecture

Fukushima Prefecture Tourist Spots Radiation Levels Map 


Reading of radioactivity level in drinking water by prefecture

Ministry of Health, Labour and Welfare(MHLW) Official Announcement 


Information about Radiation

Nuclear Regulation Authority 
International Atomic Energy Agency (IAEA) 
Reconstruction Agency 
The latest radiation updates around Tokyo metropolitan airports (Narita and Haneda) (MLIT) 
The latest radiation updates around the Port of Tokyo and Yokohama (MLIT) 
WHO Centre for Health Development (WKC) 
National Institute of Radiological Sciences (NIRS) 


Information from Japanese Government


Prime Minister of Japan and His Cabinet

Address by Prime Minister Shinzo Abe at the Ceremony to Commemorate the Second Anniversary of the Great East Japan Earthquake 


Minister of Foreign Affairs of Japan
To foreign nationals who postponed their visit to Japan due to the Great East Japan Earthquake(Termination of Special Measure) 

Nuclear Regulation Authority


Ministry of Education, Culture, Sports, Science and Technology


Ministry of Land, Infrastructure, Transport and Tourism


Ministry of Health, Labour and Welfare
Information about the Great East Japan Earthquake 


Ministry of Economy, Trade and Industry
Information about ALPS Treated Water 


News in Foreign Languages

NHK World 
Foreign Press Center 

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