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

○Information

○Measurement value list : 2020/12/26(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND13
00:10NDND13
00:20NDND15
00:30NDND16
00:40NDND17
00:50NDND20
01:00NDND21
01:10NDND21
01:20NDND21
01:30NDND18
01:40NDND18
01:50NDND16
02:00NDND16
02:10NDND14
02:20NDND15
02:30NDND19
02:40NDND21
02:50NDND21
03:00NDND22
03:10NDND23
03:20NDND23
03:30NDND22
03:40NDND20
03:50NDND19
04:00NDND18
04:10NDND18
04:20NDND19
04:30NDND17
04:40NDND17
04:50NDND17
05:00NDND14
05:10NDND11
05:20NDND9.6
05:30NDND9.0
05:40NDND9.3
05:50NDND10
06:00NDND13
06:10NDND16
06:20NDND14
06:30NDND14
06:40NDND12
06:50NDND13
07:00NDND14
07:10NDND13
07:20NDND14
07:30NDND15
07:40NDND16
07:50NDND14
08:00NDND11
08:10NDND11
08:20NDND14
08:30NDND16
08:40NDND17
08:50NDND18
09:00NDND18
09:10NDND20
09:20NDND18
09:30NDND16
09:40NDND16
09:50NDND14
10:00NDND13
10:10NDND10
10:20NDND9.0
10:30NDND9.3
10:40NDNDND
10:50NDND10
11:00NDND11
11:10NDND15
11:20NDND14
11:30NDND13
11:40NDND14
11:50NDND12
12:00NDND12
12:10NDND11
12:20NDND10
12:30NDND12
12:40NDND9.3
12:50NDND13
13:00NDND14
13:10NDND13
13:20NDND15
13:30NDND15
13:40NDND18
13:50NDND17
14:00NDND16
14:10NDND15
14:20NDND16
14:30NDND16
14:40NDND13
14:50NDND11
15:00NDND13
15:10NDND13
15:20NDND13
15:30NDND14
15:40NDND15
15:50NDND17
16:00NDND16
16:10NDND13
16:20NDND10
16:30NDND9.6
16:40NDND11
16:50NDND10
17:00NDND12
17:10NDND12
17:20NDND16
17:30NDND17
17:40NDND17
17:50NDND17
18:00NDND13
18:10NDND16
18:20NDND17
18:30NDND15
18:40NDND13
18:50NDND14
19:00NDND14
19:10NDND16
19:20NDND12
19:30NDND11
19:40NDND10
19:50NDND11
20:00NDND11
20:10NDND9.2
20:20NDND11
20:30NDND11
20:40NDND12
20:50NDND12
21:00NDND11
21:10NDND10
21:20NDND10
21:30NDND10
21:40NDND12
21:50NDND12
22:00NDND12
22:10NDND11
22:20NDND11
22:30NDND12
22:40NDND10
22:50NDND13
23:00NDND16
23:10NDND16
23:20NDND16
23:30NDND15
23:40NDND14
23:50NDND14