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

○Information

○Measurement value list ： 2024/12/14(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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