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

○Information

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

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.7
00:10NDNDND
00:20NDND10
00:30NDND12
00:40NDND13
00:50NDND15
01:00NDND19
01:10NDND21
01:20NDND20
01:30NDND18
01:40NDND14
01:50NDND14
02:00NDND10
02:10NDND9.0
02:20NDND9.7
02:30NDND12
02:40NDND14
02:50NDND14
03:00NDND14
03:10NDND14
03:20NDND14
03:30NDND15
03:40NDND15
03:50NDND14
04:00NDND16
04:10NDND17
04:20NDND17
04:30NDND16
04:40NDND16
04:50NDND17
05:00NDND16
05:10NDND15
05:20NDND18
05:30NDND18
05:40NDND16
05:50NDND16
06:00NDND15
06:10NDND16
06:20NDND12
06:30NDND11
06:40NDND12
06:50NDND13
07:00NDND13
07:10NDND14
07:20NDND14
07:30NDND17
07:40NDND19
07:50NDND21
08:00NDND22
08:10NDND21
08:20NDND22
08:30NDND22
08:40NDND20
08:50NDND20
09:00NDND23
09:10NDND24
09:20NDND25
09:30NDND23
09:40NDND22
09:50NDND20
10:00NDND16
10:10NDND18
10:20NDND18
10:30NDND15
10:40NDND13
10:50NDND14
11:00NDND13
11:10NDND10
11:20NDND9.5
11:30NDND11
11:40NDND13
11:50NDND13
12:00NDND16
12:10NDND17
12:20NDND16
12:30NDND18
12:40NDND17
12:50NDND17
13:00NDND16
13:10NDND15
13:20NDND18
13:30NDND20
13:40NDND22
13:50NDND22
14:00NDND21
14:10NDND22
14:20NDND20
14:30NDND18
14:40NDND18
14:50NDND18
15:00NDND17
15:10NDND17
15:20NDND20
15:30NDND19
15:40NDND18
15:50NDND18
16:00NDND20
16:10NDND20
16:20NDND18
16:30NDND19
16:40NDND19
16:50NDND18
17:00NDND16
17:10NDND15
17:20NDND14
17:30NDND12
17:40NDND11
17:50NDND12
18:00NDND15
18:10NDND17
18:20NDND18
18:30NDND20
18:40NDND22
18:50NDND21
19:00NDND16
19:10NDND16
19:20NDND15
19:30NDND15
19:40NDND14
19:50NDND14
20:00NDND16
20:10NDND17
20:20NDND19
20:30NDND21
20:40NDND24
20:50NDND24
21:00NDND24
21:10NDND23
21:20NDND24
21:30NDND23
21:40NDND20
21:50NDND19
22:00NDND18
22:10NDND18
22:20NDND16
22:30NDND16
22:40NDND16
22:50NDND17
23:00NDND18
23:10NDND16
23:20NDND16
23:30NDND17
23:40NDND16
23:50NDND16