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

○Information

○Measurement value list ： 2021/12/19(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND16
00:10NDND16
00:20NDND17
00:30NDND16
00:40NDND14
00:50NDND14
01:00NDND16
01:10NDND14
01:20NDND14
01:30NDND12
01:40NDND13
01:50NDND11
02:00NDND10
02:10NDND12
02:20NDND15
02:30NDND19
02:40NDND20
02:50NDND19
03:00NDND18
03:10NDND19
03:20NDND15
03:30NDND14
03:40NDND12
03:50NDND13
04:00NDND14
04:10NDND14
04:20NDND13
04:30NDND14
04:40NDND17
04:50NDND19
05:00NDND17
05:10NDND19
05:20NDND20
05:30NDND20
05:40NDND16
05:50NDND16
06:00NDND15
06:10NDND12
06:20NDND14
06:30NDND13
06:40NDND15
06:50NDND14
07:00NDND16
07:10NDND18
07:20NDND14
07:30NDND15
07:40NDND14
07:50NDND16
08:00NDND16
08:10NDND18
08:20NDND22
08:30NDND23
08:40NDND22
08:50NDND21
09:00NDND18
09:10NDND15
09:20NDND11
09:30NDND9.7
09:40NDND13
09:50NDND16
10:00NDND17
10:10NDND14
10:20NDND17
10:30NDND16
10:40NDND15
10:50NDND14
11:00NDND16
11:10NDND19
11:20NDND17
11:30NDND18
11:40NDND18
11:50NDND16
12:00NDND13
12:10NDND13
12:20NDND14
12:30NDND13
12:40NDND13
12:50NDND15
13:00NDND17
13:10NDND17
13:20NDND20
13:30NDND22
13:40NDND20
13:50NDND19
14:00NDND18
14:10NDND16
14:20NDND15
14:30NDND13
14:40NDND13
14:50NDND15
15:00NDND15
15:10NDND17
15:20NDND15
15:30NDND19
15:40NDND19
15:50NDND16
16:00NDND17
16:10NDND16
16:20NDND16
16:30NDND14
16:40NDND15
16:50NDND16
17:00NDND15
17:10NDND17
17:20NDND16
17:30NDND14
17:40NDND17
17:50NDND18
18:00NDND17
18:10NDND15
18:20NDND16
18:30NDND15
18:40NDND12
18:50NDND12
19:00NDND13
19:10NDND15
19:20NDND16
19:30NDND18
19:40NDND18
19:50NDND16
20:00NDND14
20:10NDND12
20:20NDND12
20:30NDND12
20:40NDND14
20:50NDND18
21:00NDND18
21:10NDND17
21:20NDND18
21:30NDND16
21:40NDND16
21:50NDND12
22:00NDND10
22:10NDND13
22:20NDND13
22:30NDND13
22:40NDND11
22:50NDND14
23:00NDND15
23:10---
23:20---
23:30---
23:40---
23:50---