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

○Information

○Measurement value list ： 2021/05/18(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.9
00:10NDND9.6
00:20NDNDND
00:30NDND9.3
00:40NDND12
00:50NDND13
01:00NDND13
01:10NDND15
01:20NDND15
01:30NDND18
01:40NDND16
01:50NDND17
02:00NDND17
02:10NDND14
02:20NDND16
02:30NDND14
02:40NDND14
02:50NDND11
03:00NDNDND
03:10NDND12
03:20NDND11
03:30NDND14
03:40NDND14
03:50NDND17
04:00NDND18
04:10NDND14
04:20NDND15
04:30NDND15
04:40NDND14
04:50NDND13
05:00NDND13
05:10NDND15
05:20NDND14
05:30NDND12
05:40NDND12
05:50NDND12
06:00NDND14
06:10NDND14
06:20NDND13
06:30NDND12
06:40NDND13
06:50NDND11
07:00NDND10
07:10NDND10
07:20NDND10
07:30NDNDND
07:40NDNDND
07:50NDND10
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDND9.3
08:40NDND9.7
08:50NDNDND
09:00NDND11
09:10NDND11
09:20NDND13
09:30NDND9.6
09:40NDND9.7
09:50NDND10
10:00NDNDND
10:10NDNDND
10:20NDNDND
10:30NDND9.0
10:40NDND9.3
10:50NDND12
11:00NDND14
11:10NDND13
11:20NDND16
11:30NDND15
11:40NDND12
11:50NDND11
12:00NDND11
12:10NDND11
12:20NDND9.2
12:30NDND12
12:40NDND15
12:50NDND13
13:00NDND11
13:10NDND13
13:20NDND14
13:30NDND13
13:40NDND12
13:50NDND11
14:00NDND10
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDNDND
15:30NDNDND
15:40NDNDND
15:50NDNDND
16:00NDNDND
16:10NDND9.7
16:20NDND12
16:30NDND12
16:40NDND10
16:50NDND15
17:00NDND14
17:10NDND9.9
17:20NDND9.6
17:30NDND10
17:40NDND10
17:50NDNDND
18:00NDND9.5
18:10NDND12
18:20NDND14
18:30NDND14
18:40NDND14
18:50NDND14
19:00NDND11
19:10NDND11
19:20NDND10
19:30NDND9.9
19:40NDND11
19:50NDND11
20:00NDND13
20:10NDND14
20:20NDND12
20:30NDND9.2
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDNDND
21:40NDNDND
21:50NDNDND
22:00NDND11
22:10NDND8.8
22:20NDND8.9
22:30NDNDND
22:40NDNDND
22:50NDNDND
23:00NDNDND
23:10NDNDND
23:20NDND9.7
23:30NDND13
23:40NDND16
23:50NDND14