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

○Information

○Measurement value list ： 2026/11/06(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND21
00:10NDND21
00:20NDND21
00:30NDND21
00:40NDND20
00:50NDND18
01:00NDND19
01:10NDND17
01:20NDND18
01:30NDND19
01:40NDND21
01:50NDND20
02:00NDND22
02:10NDND23
02:20NDND21
02:30NDND22
02:40NDND21
02:50NDND22
03:00NDND21
03:10NDND18
03:20NDND21
03:30NDND20
03:40NDND18
03:50NDND18
04:00NDND19
04:10NDND22
04:20NDND21
04:30NDND20
04:40NDND22
04:50NDND23
05:00NDND23
05:10NDND22
05:20NDND22
05:30NDND26
05:40NDND24
05:50NDND25
06:00NDND26
06:10NDND26
06:20NDND28
06:30NDND26
06:40NDND25
06:50NDND24
07:00NDND27
07:10NDND26
07:20NDND25
07:30NDND25
07:40NDND25
07:50NDND22
08:00NDND18
08:10NDND18
08:20NDND19
08:30NDND16
08:40NDND20
08:50NDND21
09:00NDND24
09:10NDND24
09:20NDND26
09:30NDND25
09:40NDND23
09:50NDND21
10:00NDND19
10:10NDND18
10:20NDND18
10:30NDND21
10:40NDND20
10:50NDND22
11:00NDND20
11:10NDND23
11:20NDND21
11:30NDND18
11:40NDND18
11:50NDND21
12:00NDND23
12:10NDND22
12:20NDND21
12:30NDND23
12:40NDND24
12:50NDND24
13:00NDND23
13:10NDND21
13:20NDND26
13:30NDND27
13:40NDND24
13:50NDND24
14:00NDND24
14:10NDND24
14:20NDND23
14:30NDND20
14:40NDND22
14:50NDND20
15:00NDND19
15:10NDND18
15:20NDND18
15:30NDND18
15:40NDND15
15:50NDND17
16:00NDND17
16:10NDND20
16:20NDND22
16:30NDND23
16:40NDND28
16:50NDND26
17:00NDND24
17:10NDND24
17:20NDND19
17:30NDND16
17:40NDND13
17:50NDND14
18:00NDND15
18:10NDND16
18:20NDND17
18:30NDND18
18:40NDND17
18:50NDND18
19:00NDND19
19:10NDND19
19:20NDND21
19:30NDND20
19:40NDND23
19:50NDND23
20:00NDND22
20:10NDND20
20:20NDND18
20:30NDND20
20:40NDND18
20:50NDND16
21:00NDND15
21:10NDND14
21:20NDND16
21:30NDND16
21:40NDND14
21:50NDND14
22:00NDND14
22:10NDND16
22:20NDND16
22:30NDND13
22:40NDND15
22:50NDND18
23:00NDND18
23:10NDND18
23:20NDND18
23:30NDND22
23:40NDND22
23:50NDND19