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

○Information

○Measurement value list : 2020/12/16(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND12
00:10NDND13
00:20NDND13
00:30NDND15
00:40NDND14
00:50NDND12
01:00NDND14
01:10NDND13
01:20NDND14
01:30NDND13
01:40NDND15
01:50NDND18
02:00NDND15
02:10NDND18
02:20NDND17
02:30NDND16
02:40NDND16
02:50NDND16
03:00NDND20
03:10NDND16
03:20NDND19
03:30NDND20
03:40NDND19
03:50NDND20
04:00NDND18
04:10NDND18
04:20NDND16
04:30NDND15
04:40NDND13
04:50NDND13
05:00NDND14
05:10NDND12
05:20NDND12
05:30NDND16
05:40NDND18
05:50NDND19
06:00NDND18
06:10NDND20
06:20NDND18
06:30NDND16
06:40NDND15
06:50NDND13
07:00NDND14
07:10NDND17
07:20NDND19
07:30NDND21
07:40NDND21
07:50NDND22
08:00NDND22
08:10NDND19
08:20NDND18
08:30NDND17
08:40NDND18
08:50NDND15
09:00NDND13
09:10NDND14
09:20NDND14
09:30NDND14
09:40NDND15
09:50NDND15
10:00NDND18
10:10NDND18
10:20NDND18
10:30NDND17
10:40NDND18
10:50NDND18
11:00NDND18
11:10NDND18
11:20NDND17
11:30NDND19
11:40NDND16
11:50NDND17
12:00NDND16
12:10NDND16
12:20NDND15
12:30NDND15
12:40NDND14
12:50NDND12
13:00NDND12
13:10NDND12
13:20NDND16
13:30NDND16
13:40NDND18
13:50NDND18
14:00NDND21
14:10NDND18
14:20NDND17
14:30NDND16
14:40NDND14
14:50NDND16
15:00NDND12
15:10NDND15
15:20NDND16
15:30NDND13
15:40NDND10
15:50NDNDND
16:00NDND10
16:10NDND10
16:20NDND9.0
16:30NDND11
16:40NDND13
16:50NDND16
17:00NDND16
17:10NDND14
17:20NDND13
17:30NDND14
17:40NDND15
17:50NDND15
18:00NDND12
18:10NDND14
18:20NDND14
18:30NDND17
18:40NDND17
18:50NDND17
19:00NDND16
19:10NDND15
19:20NDND15
19:30NDND12
19:40NDND12
19:50NDND12
20:00NDND14
20:10NDND14
20:20NDND15
20:30NDND15
20:40NDND16
20:50NDND16
21:00NDND15
21:10NDND16
21:20NDND16
21:30NDND17
21:40NDND18
21:50NDND18
22:00NDND18
22:10NDND19
22:20NDND18
22:30NDND17
22:40NDND13
22:50NDND17
23:00NDND18
23:10NDND18
23:20NDND20
23:30NDND19
23:40NDND23
23:50NDND19