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External Radiation Exposure Dose

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Converts external radiation doses from the atmosphere and the Earth's surface into effective radiation doses (in sieverts).
The sievert is a unit of radiation dose that indicates the degree of impact on the human body.
Time spent outdoors
   (Assuming that the radiation dose received indoors is 40% of that received outdoors)
(Click on each cell in the table below to enter data)
External Exposure
Period
3/1~3/10
3/11~3/20
3/21~3/31
4/1~4/30
5/1~5/31
6/1~
Radiation dose in the atmosphere is converted from 1 gray to 1 sievert
. Radiation dose = radiation dose rate (per hour) × 24 hours × number of days
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