March 30, 2011 § Leave a comment
Live Geiger Counter
Location: Meguro ku: about 10 mins walk from Ebisu station. Data is updated every minute so each time you visit this page you should see the graph update.
Equipment: American rm80 geiger counter with data logging.
Units are in uR/hr.
We have been monitoring for over a year, normal levels are 10-15 uR/hr.
Fukushima Exposure March 15
Highest levels detected March 15 from Fukushima radiation 36uR/hr about 3x normal background levels. This has been the max for Meguro area to date. graph here click
Other field readings: Leaving Tokyo. With portable geiger.
Makahari Chiba 99uR/hr, about 8 x normal background levels.click
Some perspective: Same geiger taken onboard a flight at max altitude. 153ur/Hr. About 12 x normal background radiation. Greater radiation exposure flying than max Tokyo exposure so far. click