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

○Information

○Measurement value list : 2023/06/12(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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