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

○Information

○Measurement value list ： 2025/11/05(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
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13:40NDND17
13:50NDND17
14:00NDND20
14:10NDND18
14:20NDND19
14:30NDND18
14:40NDND18
14:50NDND15
15:00NDND13
15:10NDND16
15:20NDND14
15:30NDND13
15:40NDND12
15:50NDND13
16:00NDND14
16:10NDND9.6
16:20NDND11
16:30NDND12
16:40NDND9.7
16:50NDND11
17:00NDNDND
17:10NDND9.6
17:20NDND8.9
17:30NDND8.9
17:40NDND10
17:50NDND9.6
18:00NDND11
18:10NDND9.0
18:20NDND11
18:30NDND11
18:40NDND10
18:50NDND12
19:00NDND12
19:10NDND13
19:20NDND12
19:30NDND13
19:40NDND16
19:50NDND15
20:00NDND13
20:10NDND16
20:20NDND14
20:30NDND15
20:40NDND15
20:50NDND16
21:00NDND17
21:10NDND17
21:20NDND18
21:30NDND16
21:40NDND14
21:50NDND14
22:00NDND14
22:10NDND16
22:20NDND17
22:30NDND15
22:40NDND16
22:50NDND16
23:00NDND15
23:10NDND13
23:20NDND14
23:30NDND13
23:40NDND13
23:50NDND12