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

○Information

○Measurement value list : 2024/09/30(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
00:10NDND10
00:20NDND14
00:30NDND12
00:40NDNDND
00:50NDNDND
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDNDND
01:40NDND10
01:50NDND11
02:00NDND10
02:10NDND11
02:20NDND15
02:30NDND16
02:40NDND14
02:50NDND15
03:00NDND15
03:10NDND16
03:20NDND13
03:30NDND9.7
03:40NDND10
03:50NDND11
04:00NDND12
04:10NDND10
04:20NDND12
04:30NDND14
04:40NDND12
04:50NDND13
05:00NDND11
05:10NDND14
05:20NDND14
05:30NDND13
05:40NDND15
05:50NDND12
06:00NDND12
06:10NDND11
06:20NDND10
06:30NDND9.7
06:40NDNDND
06:50NDNDND
07:00NDNDND
07:10NDNDND
07:20NDNDND
07:30NDND9.3
07:40NDND12
07:50NDND14
08:00NDND15
08:10NDND14
08:20NDND14
08:30NDND12
08:40NDND13
08:50NDND11
09:00NDND9.3
09:10NDND10
09:20NDND10
09:30NDND11
09:40NDND11
09:50NDND10
10:00NDND12
10:10NDND10
10:20NDND12
10:30NDND11
10:40NDND9.3
10:50NDND9.9
11:00NDND8.9
11:10NDND8.8
11:20NDNDND
11:30NDND9.3
11:40NDND10
11:50NDNDND
12:00NDND9.0
12:10NDND12
12:20NDND9.5
12:30NDND9.2
12:40NDND11
12:50NDND15
13:00NDND12
13:10NDND12
13:20NDND14
13:30NDND14
13:40NDND10
13:50NDND9.0
14:00NDND13
14:10NDND12
14:20NDND10
14:30NDND11
14:40NDND12
14:50NDND11
15:00NDND9.6
15:10NDND10
15:20NDND9.2
15:30NDND9.7
15:40NDND12
15:50NDND13
16:00NDND12
16:10NDND12
16:20NDND12
16:30NDND13
16:40NDND10
16:50NDND9.0
17:00NDND9.6
17:10NDNDND
17:20NDND11
17:30NDND10
17:40NDND12
17:50NDND12
18:00NDND14
18:10NDND18
18:20NDND16
18:30NDND16
18:40NDND17
18:50NDND16
19:00NDND14
19:10NDND12
19:20NDND13
19:30NDND16
19:40NDND14
19:50NDND16
20:00NDND17
20:10NDND13
20:20NDND13
20:30NDND8.9
20:40NDND9.5
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDND9.9
21:30NDND8.8
21:40NDND12
21:50NDND16
22:00NDND16
22:10NDND16
22:20NDND16
22:30NDND17
22:40NDND13
22:50NDND11
23:00NDND14
23:10NDND13
23:20NDND14
23:30NDND14
23:40NDND17
23:50NDND18