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

○Information

○Measurement value list : 2020/12/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND15
00:10NDND15
00:20NDND13
00:30NDND14
00:40NDND16
00:50NDND17
01:00NDND16
01:10NDND17
01:20NDND17
01:30NDND16
01:40NDND15
01:50NDND16
02:00NDND15
02:10NDND13
02:20NDND14
02:30NDND17
02:40NDND16
02:50NDND16
03:00NDND17
03:10NDND17
03:20NDND14
03:30NDND12
03:40NDND15
03:50NDND14
04:00NDND12
04:10NDND9.9
04:20NDND14
04:30NDND15
04:40NDND12
04:50NDND11
05:00NDND14
05:10NDND16
05:20NDND11
05:30NDND14
05:40NDND14
05:50NDND16
06:00NDND16
06:10NDND16
06:20NDND18
06:30NDND15
06:40NDND15
06:50NDND16
07:00NDND15
07:10NDND15
07:20NDND12
07:30NDND15
07:40NDND17
07:50NDND18
08:00NDND18
08:10NDND19
08:20NDND19
08:30NDND17
08:40NDND14
08:50NDND14
09:00NDND10
09:10NDNDND
09:20NDND9.3
09:30NDND10
09:40NDND10
09:50NDND11
10:00NDND13
10:10NDND15
10:20NDND16
10:30NDND15
10:40NDND19
10:50NDND16
11:00NDND18
11:10NDND18
11:20NDND17
11:30NDND17
11:40NDND16
11:50NDND16
12:00NDND14
12:10NDND13
12:20NDND12
12:30NDND12
12:40NDND9.2
12:50NDNDND
13:00NDNDND
13:10NDND9.0
13:20NDND10
13:30NDND12
13:40NDND15
13:50NDND16
14:00NDND19
14:10NDND17
14:20NDND20
14:30NDND21
14:40NDND19
14:50NDND19
15:00NDND19
15:10NDND21
15:20NDND16
15:30NDND15
15:40NDND14
15:50NDND10
16:00NDND8.9
16:10NDND8.9
16:20NDND12
16:30NDND10
16:40NDND11
16:50NDND15
17:00NDND14
17:10NDND13
17:20NDND13
17:30NDND13
17:40NDND12
17:50NDND11
18:00NDND12
18:10NDND12
18:20NDND9.2
18:30NDND9.2
18:40NDND10
18:50NDND10
19:00NDND8.8
19:10NDNDND
19:20NDNDND
19:30NDNDND
19:40NDNDND
19:50NDNDND
20:00NDNDND
20:10NDNDND
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDND11
21:10NDND12
21:20NDND16
21:30NDND16
21:40NDND18
21:50NDND18
22:00NDND17
22:10NDND20
22:20NDND16
22:30NDND15
22:40NDND14
22:50NDND14
23:00NDND15
23:10NDND13
23:20NDND13
23:30NDND14
23:40NDND16
23:50NDND16