Daily measurement data and analysis results are announced, enabling the public including local communities to confirm radiation levels in the area.
Use of the data is explained here.

Survey Maps

Survey map

Inside the Buildings. (*updated annually)

Please find the documents announced after May 2016 from here. (Only in Japanese)

Building vicinity and entire site (updated monthly)

Please find the documents announced after Jan 2017 from here. (Only in Japanese)

Archives before March 2013

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  5. Results of Radioactive Materia Analysis in the Vicinity of the Fukushima Daiichi Nuclear Power Station