6.5Gy/h

On 13th March, the day before the incident, the Forestry Department conducted radiation inspection at major cities like usual. Eastern State City logged in an average of 83.2 nGy/h, perfectly normal; Da Hwa City, 101.8 nGy/h, perfectly normal; Guang Ting City, 106.7 nGy/h, perfectly normal; Mo Bei City, 73.7 nGy/h, perfectly normal. To elaborate, 1Gy=1000mGy=1000000uGy=1000000000nGy and 73.1-125.7 nGy/h was considered an accepted value for human-inhabited cities.