Japanese Radioactivity Levels Site
Here's a governmental site posting radioactive levels in Japan. Currently showing Tokyo dry well Fuk #1=266 Sv/hour for July 4(If not already in English; click 'translate' or 'language')
http://atmc.jp/plant/rad/?n=1


That's not a governmental
That's not a governmental site, that's a private site collecting the data from official sources.