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

○Information

○Measurement value list ： 2026/11/05(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND14
00:10NDND14
00:20NDND17
00:30NDND17
00:40NDND16
00:50NDND17
01:00NDND18
01:10NDND17
01:20NDND18
01:30NDND17
01:40NDND15
01:50NDND14
02:00NDND14
02:10NDND15
02:20NDND14
02:30NDND15
02:40NDND17
02:50NDND17
03:00NDND17
03:10NDND18
03:20NDND17
03:30NDND17
03:40NDND17
03:50NDND17
04:00NDND18
04:10NDND18
04:20NDND18
04:30NDND19
04:40NDND17
04:50NDND17
05:00NDND16
05:10NDND15
05:20NDND14
05:30NDND12
05:40NDND13
05:50NDND12
06:00NDND14
06:10NDND11
06:20NDND12
06:30NDND15
06:40NDND15
06:50NDND17
07:00NDND16
07:10NDND21
07:20NDND22
07:30NDND20
07:40NDND21
07:50NDND20
08:00NDND20
08:10NDND18
08:20NDND19
08:30NDND20
08:40NDND20
08:50NDND20
09:00NDND22
09:10NDND21
09:20NDND19
09:30NDND20
09:40NDND19
09:50NDND18
10:00NDND17
10:10NDND18
10:20NDND19
10:30NDND16
10:40NDND16
10:50NDND18
11:00NDND18
11:10NDND18
11:20NDND16
11:30NDND19
11:40NDND20
11:50NDND19
12:00NDND20
12:10NDND20
12:20NDND20
12:30NDND20
12:40NDND19
12:50NDND19
13:00NDND18
13:10NDND19
13:20NDND20
13:30NDND19
13:40NDND19
13:50NDND21
14:00NDND21
14:10NDND21
14:20NDND22
14:30NDND21
14:40NDND23
14:50NDND21
15:00NDND20
15:10NDND19
15:20NDND18
15:30NDND17
15:40NDND14
15:50NDND16
16:00NDND17
16:10NDND17
16:20NDND17
16:30NDND17
16:40NDND17
16:50NDND15
17:00NDND14
17:10NDND14
17:20NDND14
17:30NDND17
17:40NDND20
17:50NDND20
18:00NDND24
18:10NDND25
18:20NDND24
18:30NDND22
18:40NDND21
18:50NDND23
19:00NDND20
19:10NDND19
19:20NDND20
19:30NDND22
19:40NDND23
19:50NDND23
20:00NDND24
20:10NDND24
20:20NDND24
20:30NDND24
20:40NDND22
20:50NDND22
21:00NDND21
21:10NDND20
21:20NDND19
21:30NDND19
21:40NDND21
21:50NDND19
22:00NDND18
22:10NDND19
22:20NDND20
22:30NDND21
22:40NDND19
22:50NDND20
23:00NDND21
23:10NDND21
23:20NDND21
23:30NDND19
23:40NDND21
23:50NDND22