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

○Information

○Measurement value list : 2021/12/18(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND18
00:10NDND16
00:20NDND13
00:30NDND10
00:40NDND12
00:50NDND9.7
01:00NDND10
01:10NDND10
01:20NDND13
01:30NDND18
01:40NDND16
01:50NDND17
02:00NDND16
02:10NDND17
02:20NDND16
02:30NDND13
02:40NDND15
02:50NDND11
03:00NDND13
03:10NDND14
03:20NDND13
03:30NDND15
03:40NDND14
03:50NDND15
04:00NDND14
04:10NDND13
04:20NDND15
04:30NDND10
04:40NDNDND
04:50NDNDND
05:00NDND8.9
05:10NDND10
05:20NDND13
05:30NDND15
05:40NDND17
05:50NDND17
06:00NDND17
06:10NDND14
06:20NDND12
06:30NDND14
06:40NDND16
06:50NDND16
07:00NDND18
07:10NDND18
07:20NDND15
07:30NDND14
07:40NDND11
07:50NDND12
08:00NDND12
08:10NDND13
08:20NDND15
08:30NDND13
08:40NDND12
08:50NDND12
09:00NDND12
09:10NDND13
09:20NDND11
09:30NDND14
09:40NDND13
09:50NDND15
10:00NDND13
10:10NDND10
10:20NDND14
10:30NDND13
10:40NDND14
10:50NDND14
11:00NDND15
11:10NDND15
11:20NDND18
11:30NDND17
11:40NDND19
11:50NDND18
12:00NDND19
12:10NDND21
12:20NDND18
12:30NDND19
12:40NDND18
12:50NDND19
13:00NDND19
13:10NDND17
13:20NDND18
13:30NDND17
13:40NDND16
13:50NDND15
14:00NDND16
14:10NDND17
14:20NDND17
14:30NDND16
14:40NDND18
14:50NDND16
15:00NDND14
15:10NDND12
15:20NDND13
15:30NDND13
15:40NDND12
15:50NDND11
16:00NDND12
16:10NDND14
16:20NDND14
16:30NDND15
16:40NDND15
16:50NDND16
17:00NDND17
17:10NDND14
17:20NDND13
17:30NDND12
17:40NDND15
17:50NDND14
18:00NDND11
18:10NDND9.9
18:20NDND10
18:30NDND9.3
18:40NDNDND
18:50NDND10
19:00NDND11
19:10NDND13
19:20NDND13
19:30NDND13
19:40NDND14
19:50NDND14
20:00NDND15
20:10NDND17
20:20NDND15
20:30NDND17
20:40NDND16
20:50NDND14
21:00NDND13
21:10NDND14
21:20NDND15
21:30NDND14
21:40NDND14
21:50NDND15
22:00NDND14
22:10NDND11
22:20NDND11
22:30NDND12
22:40NDND13
22:50NDND15
23:00NDND18
23:10NDND19
23:20NDND20
23:30NDND18
23:40NDND18
23:50NDND19