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

○Information

○Measurement value list ： 2021/05/21(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.5
00:10NDND8.8
00:20NDND10
00:30NDND12
00:40NDND11
00:50NDNDND
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDNDND
02:00NDNDND
02:10NDNDND
02:20NDNDND
02:30NDNDND
02:40NDNDND
02:50NDNDND
03:00NDNDND
03:10NDNDND
03:20NDNDND
03:30NDNDND
03:40NDNDND
03:50NDNDND
04:00NDNDND
04:10NDND10
04:20NDND8.9
04:30NDND9.0
04:40NDND9.7
04:50NDND12
05:00NDND11
05:10NDND9.3
05:20NDND9.6
05:30NDND9.6
05:40NDND10
05:50NDNDND
06:00NDND9.7
06:10NDND10
06:20NDND10
06:30NDND12
06:40NDND12
06:50NDND12
07:00NDND11
07:10NDND11
07:20NDND10
07:30NDNDND
07:40NDND9.9
07:50NDND13
08:00NDND13
08:10NDND16
08:20NDND16
08:30NDND16
08:40NDND15
08:50NDND14
09:00NDND12
09:10NDND12
09:20NDND12
09:30NDND11
09:40NDND9.7
09:50NDND11
10:00NDND13
10:10NDND12
10:20NDND12
10:30NDND13
10:40NDND13
10:50NDND11
11:00NDND10
11:10NDNDND
11:20NDNDND
11:30NDNDND
11:40NDNDND
11:50NDNDND
12:00NDNDND
12:10NDNDND
12:20NDNDND
12:30NDNDND
12:40NDND10
12:50NDND14
13:00NDND14
13:10NDND15
13:20NDND17
13:30NDND18
13:40NDND16
13:50NDND14
14:00NDND14
14:10NDND9.7
14:20NDND10
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDNDND
15:30NDNDND
15:40NDNDND
15:50NDND9.9
16:00NDND10
16:10NDND10
16:20NDND13
16:30NDND14
16:40NDND15
16:50NDND15
17:00NDND14
17:10NDND14
17:20NDND13
17:30NDND12
17:40NDND9.5
17:50NDNDND
18:00NDNDND
18:10NDND9.3
18:20NDNDND
18:30NDNDND
18:40NDND11
18:50NDND14
19:00NDND13
19:10NDND13
19:20NDND14
19:30NDND16
19:40NDND11
19:50NDND9.6
20:00NDND11
20:10NDND10
20:20NDND11
20:30NDND10
20:40NDND14
20:50NDND13
21:00NDND14
21:10NDND13
21:20NDND14
21:30NDND15
21:40NDND14
21:50NDND12
22:00NDND14
22:10NDND13
22:20NDND14
22:30NDND13
22:40NDND13
22:50NDND14
23:00NDND14
23:10NDND15
23:20NDND14
23:30NDND14
23:40NDND12
23:50NDND11