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

○Information

○Measurement value list : 2021/05/31(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
00:10NDNDND
00:20NDND11
00:30NDND11
00:40NDND12
00:50NDND13
01:00NDND13
01:10NDND15
01:20NDND12
01:30NDND9.5
01:40NDND8.9
01:50NDND10
02:00NDND9.5
02:10NDNDND
02:20NDND10
02:30NDND11
02:40NDND8.9
02:50NDND8.9
03:00NDND9.9
03:10NDND9.6
03:20NDND11
03:30NDND12
03:40NDND14
03:50NDND12
04:00NDND10
04:10NDND9.9
04:20NDND8.8
04:30NDNDND
04:40NDNDND
04:50NDNDND
05:00NDND10
05:10NDND10
05:20NDND9.0
05:30NDNDND
05:40NDND10
05:50NDND10
06:00NDND9.6
06:10NDND11
06:20NDND11
06:30NDND12
06:40NDND11
06:50NDND10
07:00NDND12
07:10NDND12
07:20NDND13
07:30NDND15
07:40NDND17
07:50NDND18
08:00NDND14
08:10NDND13
08:20NDND16
08:30NDND15
08:40NDND12
08:50NDND14
09:00NDND17
09:10NDND17
09:20NDND13
09:30NDND13
09:40NDND14
09:50NDND9.9
10:00NDND9.3
10:10NDND11
10:20NDND9.9
10:30NDND9.5
10:40NDNDND
10:50NDNDND
11:00NDNDND
11:10NDNDND
11:20NDND9.5
11:30NDND12
11:40NDND14
11:50NDND14
12:00NDND12
12:10NDND14
12:20NDND14
12:30NDND13
12:40NDND14
12:50NDND16
13:00NDND14
13:10NDND14
13:20NDND16
13:30NDND13
13:40NDND14
13:50NDND13
14:00NDND11
14:10NDND12
14:20NDND8.9
14:30NDND10
14:40NDND12
14:50NDND11
15:00NDND14
15:10NDND13
15:20NDND13
15:30NDND14
15:40NDND10
15:50NDND12
16:00NDND14
16:10NDND17
16:20NDND19
16:30NDND16
16:40NDND17
16:50NDND18
17:00NDND16
17:10NDND13
17:20NDND11
17:30NDND14
17:40NDND12
17:50NDND10
18:00NDND11
18:10NDND9.0
18:20NDND10
18:30NDND9.0
18:40NDND11
18:50NDND13
19:00NDND12
19:10NDND12
19:20NDND9.6
19:30NDNDND
19:40NDNDND
19:50NDND9.0
20:00NDND9.0
20:10NDND12
20:20NDND14
20:30NDND17
20:40NDND16
20:50NDND16
21:00NDND15
21:10NDND15
21:20NDND16
21:30NDND14
21:40NDND13
21:50NDND12
22:00NDND14
22:10NDND12
22:20NDND9.2
22:30NDND10
22:40NDND12
22:50NDND13
23:00NDND15
23:10NDND15
23:20NDND17
23:30NDND14
23:40NDND13
23:50NDND9.2