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Real Time Map of Radiation Levels in Japan



This is real time radiation data collected via the System for Prediction of Environment Emergency Dose Information(SPEEDI). You can search by prefecture.

Note that on March 16, 2011 23:50 (JST) (Japan Standard Time) : Not surprisingly, Miyagi and Fukushima are completely N/A, as every single reading is Under Survey, also known as censored .nGy/h (nano- Grays per hour) Updated

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