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

○Information

○Measurement value list ： 2026/01/10(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND19
00:10NDND15
00:20NDND15
00:30NDND18
00:40NDND20
00:50NDND19
01:00NDND20
01:10NDND21
01:20NDND20
01:30NDND20
01:40NDND20
01:50NDND22
02:00NDND22
02:10NDND23
02:20NDND22
02:30NDND22
02:40NDND24
02:50NDND20
03:00NDND20
03:10NDND19
03:20NDND17
03:30NDND16
03:40NDND13
03:50NDND14
04:00NDND15
04:10NDND16
04:20NDND19
04:30NDND22
04:40NDND20
04:50NDND21
05:00NDND18
05:10NDND18
05:20NDND17
05:30NDND17
05:40NDND19
05:50NDND19
06:00NDND19
06:10NDND20
06:20NDND21
06:30NDND19
06:40NDND21
06:50NDND20
07:00NDND21
07:10NDND20
07:20NDND21
07:30NDND23
07:40NDND22
07:50NDND23
08:00NDND23
08:10NDND24
08:20NDND23
08:30NDND24
08:40NDND24
08:50NDND25
09:00NDND26
09:10NDND27
09:20NDND29
09:30NDND26
09:40NDND25
09:50NDND26
10:00NDND26
10:10NDND24
10:20NDND22
10:30NDND24
10:40NDND27
10:50NDND25
11:00NDND26
11:10NDND24
11:20NDND26
11:30NDND25
11:40NDND22
11:50NDND22
12:00NDND20
12:10NDND19
12:20NDND18
12:30NDND18
12:40NDND18
12:50NDND16
13:00NDND15
13:10NDND14
13:20NDND15
13:30NDND13
13:40NDND16
13:50NDND17
14:00NDND18
14:10NDND19
14:20NDND21
14:30NDND22
14:40NDND22
14:50NDND21
15:00NDND23
15:10NDND25
15:20NDND26
15:30NDND27
15:40NDND24
15:50NDND27
16:00NDND23
16:10NDND22
16:20NDND20
16:30NDND17
16:40NDND17
16:50NDND14
17:00NDND15
17:10NDND17
17:20NDND18
17:30NDND20
17:40NDND21
17:50NDND24
18:00NDND24
18:10NDND23
18:20NDND22
18:30NDND21
18:40NDND20
18:50NDND18
19:00NDND18
19:10NDND16
19:20NDND17
19:30NDND15
19:40NDND16
19:50NDND14
20:00NDND15
20:10NDND18
20:20NDND18
20:30NDND22
20:40NDND22
20:50NDND23
21:00NDND22
21:10NDND20
21:20NDND21
21:30NDND18
21:40NDND18
21:50NDND18
22:00NDND18
22:10NDND19
22:20NDND19
22:30NDND21
22:40NDND21
22:50NDND22
23:00NDND22
23:10NDND25
23:20NDND26
23:30NDND25
23:40NDND26
23:50NDND27