*Currently, radiation dose rates are updated by 1 day interval.
The data shown in this page are the effective dose rates calculated based on International Commission on Radiological Protection (ICRP) Publication 103.
Please put your mouce pointer on the map to check the radiation dose rate at the location.
Longitude° Latitude° DoseμSV/h
When a radiation exposure event occurs, this page changes to GLE mode as shown in a demonstration page.