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

○Information

○Measurement value list : 2021/04/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDNDND
00:10NDND9.5
00:20NDND9.9
00:30NDND14
00:40NDND14
00:50NDND14
01:00NDND13
01:10NDND12
01:20NDND14
01:30NDND10
01:40NDND10
01:50NDND11
02:00NDND12
02:10NDND12
02:20NDND11
02:30NDND9.2
02:40NDNDND
02:50NDND10
03:00NDND12
03:10NDND11
03:20NDND10
03:30NDND13
03:40NDND15
03:50NDND13
04:00NDND12
04:10NDND14
04:20NDND15
04:30NDND14
04:40NDND13
04:50NDND14
05:00NDND11
05:10NDND11
05:20NDND11
05:30NDND8.8
05:40NDND9.9
05:50NDND11
06:00NDND12
06:10NDND10
06:20NDNDND
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDNDND
07:10NDND9.9
07:20NDND12
07:30NDND14
07:40NDND15
07:50NDND18
08:00NDND21
08:10NDND19
08:20NDND16
08:30NDND16
08:40NDND17
08:50NDND14
09:00NDND11
09:10NDND10
09:20NDND12
09:30NDND12
09:40NDND12
09:50NDND13
10:00NDND12
10:10NDND11
10:20NDND11
10:30NDND8.9
10:40NDNDND
10:50NDNDND
11:00NDND8.8
11:10NDND9.2
11:20NDND10
11:30NDND13
11:40NDND11
11:50NDND12
12:00NDND11
12:10NDND12
12:20NDND13
12:30NDND11
12:40NDND12
12:50NDND13
13:00NDND13
13:10NDND15
13:20NDND13
13:30NDND15
13:40NDND17
13:50NDND14
14:00NDND16
14:10NDND16
14:20NDND18
14:30NDND17
14:40NDND13
14:50NDND13
15:00NDND12
15:10NDNDND
15:20NDNDND
15:30NDNDND
15:40NDNDND
15:50NDND9.3
16:00NDND11
16:10NDND12
16:20NDND10
16:30NDND12
16:40NDND13
16:50NDND12
17:00NDND12
17:10NDND12
17:20NDND17
17:30NDND15
17:40NDND13
17:50NDND12
18:00NDNDND
18:10NDNDND
18:20NDNDND
18:30NDNDND
18:40NDNDND
18:50NDNDND
19:00NDND12
19:10NDND11
19:20NDND10
19:30NDND12
19:40NDND13
19:50NDND11
20:00NDNDND
20:10NDND8.8
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDND9.5
21:30NDND13
21:40NDND13
21:50NDND11
22:00NDND10
22:10NDND8.9
22:20NDND12
22:30NDND11
22:40NDND11
22:50NDND13
23:00NDND16
23:10NDND16
23:20NDND16
23:30NDND16
23:40NDND14
23:50NDND12