jfoley·15 anni fa·discussI 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.
jfoley·15 anni fa·discussA live geiger counter that is set up in Western Tokyo. That upward tail is pretty troubling. http://park18.wakwak.com/~weather/geiger_index.html
EDIT: Looks like data from a little over a year ago- The date range in the screenshot is from Dec 4th to 5th 2010.