So Kyodo News here:
[T]he radiation dose detected in Fukushima Prefecture stood at 6.85 microsieverts per hour in the city of Fukushima at 7 p.m. Tuesday, the Fukushima prefectural government said. The dose is gradually receding in the area, it added.
At that rate one would be exposed to 60 millisieverts in one year. Normal in the US is about 6 millisieverts per year.
Based on data plugged into a computer model, the article speculates that certain individuals even outside 30 kilometers of the plant could have been exposed to 100 millisieverts since the tsunami.
About a week ago levels in the city stood at 20 microsieverts per hour, so observations are trending lower already 66 percent.
