what do you make of this:
Iodine spike August 25th
http://fukushima-diary.com/2011/09/breaking-news-fukushima-in-recriticality/
Yellowknife had a very small I-131 detect on August 31st
http://www.hc-sc.gc.ca/hc-ps/ed-ud/respond/nuclea/data-donnees-eng.php#cntbtns