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

○Information

○Measurement value list : 2021/04/04(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
00:20NDND11
00:30NDNDND
00:40NDNDND
00:50NDNDND
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDND11
01:40NDND11
01:50NDND11
02:00NDND9.3
02:10NDNDND
02:20NDNDND
02:30NDNDND
02:40NDNDND
02:50NDNDND
03:00NDNDND
03:10NDNDND
03:20NDNDND
03:30NDNDND
03:40NDNDND
03:50NDNDND
04:00NDNDND
04:10NDNDND
04:20NDNDND
04:30NDNDND
04:40NDND9.3
04:50NDND9.7
05:00NDNDND
05:10NDNDND
05:20NDNDND
05:30NDNDND
05:40NDND8.8
05:50NDND12
06:00NDND11
06:10NDND11
06:20NDND13
06:30NDND13
06:40NDND12
06:50NDND10
07:00NDND14
07:10NDND15
07:20NDND14
07:30NDND13
07:40NDND10
07:50NDNDND
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDNDND
08:40NDNDND
08:50NDNDND
09:00NDND8.9
09:10NDND8.8
09:20NDND8.8
09:30NDNDND
09:40NDNDND
09:50NDNDND
10:00NDNDND
10:10NDNDND
10:20NDNDND
10:30NDNDND
10:40NDNDND
10:50NDNDND
11:00NDND10
11:10NDND13
11:20NDND12
11:30NDND16
11:40NDND18
11:50NDND19
12:00NDND16
12:10NDND13
12:20NDND13
12:30NDND12
12:40NDND11
12:50NDND9.3
13:00NDNDND
13:10NDND11
13:20NDND13
13:30NDND13
13:40NDND13
13:50NDND11
14:00NDND11
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDND11
15:30NDND11
15:40NDND12
15:50NDND12
16:00NDND14
16:10NDND14
16:20NDND12
16:30NDND12
16:40NDND10
16:50NDND11
17:00NDND9.2
17:10NDND9.9
17:20NDND11
17:30NDND12
17:40NDND10
17:50NDNDND
18:00NDNDND
18:10NDNDND
18:20NDNDND
18:30NDNDND
18:40NDNDND
18:50NDNDND
19:00NDNDND
19:10NDNDND
19:20NDND10
19:30NDND9.3
19:40NDND9.6
19:50NDND11
20:00NDND11
20:10NDND10
20:20NDND10
20:30NDND12
20:40NDND12
20:50NDND13
21:00NDND12
21:10NDND13
21:20NDND14
21:30NDND16
21:40NDND15
21:50NDND16
22:00NDND20
22:10NDND20
22:20NDND18
22:30NDND18
22:40NDND16
22:50NDND14
23:00NDND8.8
23:10NDNDND
23:20NDND9.5
23:30NDNDND
23:40NDND12
23:50NDND10