Past measurement result　by Seawater Radiation Monitor near Fukushima Daiichi Nuclear Power Station

○Information

○Measurement value list ： 2026/06/04(CSV Download)

Radioactivity Concentration Unit:Bq/L

※ When being smaller then detection limit value, the numerical value is indicated with ND

TimeCs137Cs134Totalβ
00:00NDND17
00:10NDND17
00:20NDND20
00:30NDND21
00:40NDND22
00:50NDND21
01:00NDND20
01:10NDND19
01:20NDND18
01:30NDND18
01:40NDND15
01:50NDND16
02:00NDND17
02:10NDND20
02:20NDND18
02:30NDND18
02:40NDND16
02:50NDND17
03:00NDND20
03:10NDND18
03:20NDND18
03:30NDND18
03:40NDND20
03:50NDND20
04:00NDND20
04:10NDND22
04:20NDND21
04:30NDND23
04:40NDND19
04:50NDND15
05:00NDND15
05:10NDND15
05:20NDND16
05:30NDND14
05:40NDND18
05:50NDND21
06:00NDND21
06:10NDND19
06:20NDND19
06:30NDND22
06:40NDND21
06:50NDND22
07:00NDND22
07:10NDND20
07:20NDND20
07:30NDND20
07:40NDND18
07:50NDND19
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