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

○Information

○Measurement value list : 2020/12/19(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND14
00:10NDND14
00:20NDND16
00:30NDND14
00:40NDND14
00:50NDND13
01:00NDND15
01:10NDND18
01:20NDND13
01:30NDND14
01:40NDND13
01:50NDND17
02:00NDND16
02:10NDND14
02:20NDND18
02:30NDND19
02:40NDND18
02:50NDND14
03:00NDND18
03:10NDND18
03:20NDND18
03:30NDND16
03:40NDND17
03:50NDND20
04:00NDND17
04:10NDND17
04:20NDND17
04:30NDND17
04:40NDND16
04:50NDND14
05:00NDND15
05:10NDND16
05:20NDND16
05:30NDND16
05:40NDND17
05:50NDND16
06:00NDND17
06:10NDND17
06:20NDND16
06:30NDND17
06:40NDND18
06:50NDND20
07:00NDND19
07:10NDND18
07:20NDND18
07:30NDND18
07:40NDND17
07:50NDND17
08:00NDND17
08:10NDND14
08:20NDND13
08:30NDND13
08:40NDND13
08:50NDND10
09:00NDND11
09:10NDND12
09:20NDND12
09:30NDND13
09:40NDND16
09:50NDND16
10:00NDND17
10:10NDND19
10:20NDND22
10:30NDND21
10:40NDND20
10:50NDND20
11:00NDND19
11:10NDND16
11:20NDND15
11:30NDND13
11:40NDND13
11:50NDND13
12:00NDND12
12:10NDND14
12:20NDND13
12:30NDND13
12:40NDND13
12:50NDND12
13:00NDND14
13:10NDND14
13:20NDND15
13:30NDND17
13:40NDND17
13:50NDND16
14:00NDND16
14:10NDND14
14:20NDND12
14:30NDND11
14:40NDND11
14:50NDND11
15:00NDND10
15:10NDND10
15:20NDND13
15:30NDND14
15:40NDND14
15:50NDND16
16:00NDND13
16:10NDND15
16:20NDND13
16:30NDND11
16:40NDND11
16:50NDND11
17:00NDND14
17:10NDND13
17:20NDND14
17:30NDND16
17:40NDND14
17:50NDND12
18:00NDND12
18:10NDND12
18:20NDND14
18:30NDND13
18:40NDND17
18:50NDND19
19:00NDND17
19:10NDND14
19:20NDND9.5
19:30NDND9.2
19:40NDNDND
19:50NDNDND
20:00NDND8.8
20:10NDND12
20:20NDND10
20:30NDND9.3
20:40NDND8.8
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDND9.3
21:30NDND9.0
21:40NDND10
21:50NDND11
22:00NDND10
22:10NDNDND
22:20NDND9.6
22:30NDND13
22:40NDND15
22:50NDND15
23:00NDND15
23:10NDND18
23:20NDND20
23:30NDND18
23:40NDND14
23:50NDND13