jfoley

I believe the bottom graph indicates levels as measured one year ago.

EDIT: Looks like data from a little over a year ago- The date range in the screenshot is from Dec 4th to 5th 2010.

A live geiger counter that is set up in Western Tokyo. That upward tail is pretty troubling. http://park18.wakwak.com/~weather/geiger_index.html

You might look in to the 青空文庫 http://www.aozora.gr.jp/