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

○Information

○Measurement value list ： 2021/03/12(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00--8.9
00:10--10
00:20--11
00:30--12
00:40--14
00:50--12
01:00--12
01:10--11
01:20--9.6
01:30--11
01:40--11
01:50--13
02:00--14
02:10--14
02:20--14
02:30--11
02:40--14
02:50--15
03:00--13
03:10--12
03:20--11
03:30--13
03:40--12
03:50--ND
04:00--11
04:10--14
04:20--13
04:30--12
04:40--12
04:50--16
05:00--15
05:10--11
05:20--13
05:30--14
05:40--13
05:50--11
06:00--11
06:10--13
06:20--12
06:30--9.0
06:40--8.8
06:50--ND
07:00--ND
07:10--ND
07:20--ND
07:30--8.9
07:40--11
07:50--11
08:00--9.9
08:10--12
08:20--14
08:30--13
08:40---
08:50---
09:00NDND14
09:10NDND13
09:20NDND12
09:30NDND14
09:40NDND15
09:50NDND15
10:00NDND16
10:10NDND18
10:20NDND17
10:30NDND14
10:40NDND12
10:50NDND10
11:00NDNDND
11:10NDNDND
11:20NDNDND
11:30NDNDND
11:40NDNDND
11:50NDND9.0
12:00NDND12
12:10NDND12
12:20NDND16
12:30NDND16
12:40NDND14
12:50NDND15
13:00NDND14
13:10NDND14
13:20NDND12
13:30NDND10
13:40NDND10
13:50NDND10
14:00NDND11
14:10NDND11
14:20NDND11
14:30NDND12
14:40NDND13
14:50NDND11
15:00NDND11
15:10NDNDND
15:20NDND8.8
15:30NDND9.5
15:40NDNDND
15:50NDND9.7
16:00NDNDND
16:10NDND10
16:20NDND10
16:30NDND11
16:40NDND12
16:50NDND13
17:00NDND15
17:10NDND15
17:20NDND15
17:30NDND13
17:40NDND14
17:50NDND12
18:00NDND10
18:10NDND10
18:20NDND12
18:30NDND12
18:40NDND11
18:50NDND13
19:00NDND14
19:10NDND14
19:20NDND12
19:30NDND10
19:40NDND10
19:50NDNDND
20:00NDNDND
20:10NDNDND
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDND9.6
21:10NDNDND
21:20NDND10
21:30NDND13
21:40NDND12
21:50NDND15
22:00NDND12
22:10NDND13
22:20NDND10
22:30NDND9.7
22:40NDND11
22:50NDND9.2
23:00NDND9.7
23:10NDND9.9
23:20NDND12
23:30NDND12
23:40NDND12
23:50NDND14