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

○Information

○Measurement value list ： 2026/01/24(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
00:20NDND17
00:30NDND19
00:40NDND20
00:50NDND20
01:00NDND21
01:10NDND23
01:20NDND20
01:30NDND19
01:40NDND18
01:50NDND19
02:00NDND18
02:10NDND17
02:20NDND19
02:30NDND19
02:40NDND19
02:50NDND18
03:00NDND20
03:10NDND21
03:20NDND16
03:30NDND17
03:40NDND16
03:50NDND16
04:00NDND15
04:10NDND13
04:20NDND16
04:30NDND17
04:40NDND20
04:50NDND19
05:00NDND20
05:10NDND20
05:20NDND19
05:30NDND17
05:40NDND16
05:50NDND18
06:00NDND18
06:10NDND17
06:20NDND17
06:30NDND19
06:40NDND20
06:50NDND18
07:00NDND19
07:10NDND21
07:20NDND24
07:30NDND22
07:40NDND19
07:50NDND21
08:00NDND23
08:10NDND22
08:20NDND19
08:30NDND20
08:40NDND24
08:50NDND22
09:00NDND18
09:10NDND18
09:20NDND18
09:30NDND19
09:40NDND17
09:50NDND17
10:00NDND19
10:10NDND18
10:20NDND18
10:30NDND15
10:40NDND14
10:50NDND16
11:00NDND17
11:10NDND18
11:20NDND18
11:30NDND18
11:40NDND17
11:50NDND16
12:00NDND14
12:10NDND11
12:20NDND12
12:30NDND13
12:40NDND13
12:50NDND14
13:00NDND15
13:10NDND18
13:20NDND19
13:30NDND20
13:40NDND21
13:50NDND22
14:00NDND22
14:10NDND22
14:20NDND21
14:30NDND22
14:40NDND22
14:50NDND21
15:00NDND20
15:10NDND19
15:20NDND19
15:30NDND21
15:40NDND22
15:50NDND24
16:00NDND26
16:10NDND25
16:20NDND27
16:30NDND24
16:40NDND21
16:50NDND21
17:00NDND21
17:10NDND20
17:20NDND18
17:30NDND17
17:40NDND19
17:50NDND18
18:00NDND18
18:10NDND21
18:20NDND20
18:30NDND23
18:40NDND22
18:50NDND21
19:00NDND18
19:10NDND17
19:20NDND20
19:30NDND20
19:40NDND19
19:50NDND17
20:00NDND18
20:10NDND19
20:20NDND16
20:30NDND16
20:40NDND16
20:50NDND19
21:00NDND18
21:10NDND20
21:20NDND20
21:30NDND21
21:40NDND22
21:50NDND22
22:00NDND24
22:10NDND21
22:20NDND22
22:30NDND22
22:40NDND21
22:50NDND21
23:00NDND20
23:10NDND22
23:20NDND22
23:30NDND21
23:40NDND21
23:50NDND21