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

○Information

○Measurement value list : 2023/06/21(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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