Maps (not) showing radiation in Japan

The map found with the first URL below displays "...[r]ealtime radiation data collected via the System for Prediction of Environment Emergency Dose Information (SPEEDI)[,]" according to a March 19, 2011 01:00 (JST) update in the sidebar, which equates "Under Survey" (調整中) to "censored."

Japan map of Japan Radiation Maximum by Prefecture by Do,Ken,To,Fu - TargetMap 

• http://www.targetmap.com/viewer.aspx?reportId=4870

Less detail appears on top-level maps prepared by the apparent data source (SPEEDI):

Disaster Prevention and Nuclear Safety Network for Nuclear Environment/ English Top Page

• http://www.bousai.ne.jp/eng/

環境防災Ｎネットホームページ

• http://www.bousai.ne.jp/vis/index.php (Japanese)
• Miyagi: 調整中
• http://www.bousai.ne.jp/vis/jichitai/miyagi/index.html
• Fukushima: 調整中
• http://www.bousai.ne.jp/vis/jichitai/fukushima/index.html
• Ibaraki: http://www.bousai.ne.jp/vis/jichitai/ibaraki/
• Kanagawa: 
• http://www.bousai.ne.jp/vis/jichitai/kanagawa/
• The nearest points to central Tokyo that appear to have data now are to the south, in Kawazaki-ku, south of the Tama River.