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

○Information

○Measurement value list : 2021/01/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDNDND
00:10NDND8.9
00:20NDND11
00:30NDND8.9
00:40NDND9.5
00:50NDNDND
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDND12
01:40NDND11
01:50NDND9.9
02:00NDND11
02:10NDND11
02:20NDND12
02:30NDND10
02:40NDND13
02:50NDND16
03:00NDND13
03:10NDND13
03:20NDND12
03:30NDND10
03:40NDND9.0
03:50NDNDND
04:00NDND10
04:10NDND10
04:20NDND9.7
04:30NDND9.0
04:40NDNDND
04:50NDNDND
05:00NDNDND
05:10NDNDND
05:20NDND9.6
05:30NDND11
05:40NDND14
05:50NDND14
06:00NDND14
06:10NDND13
06:20NDND10
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDNDND
07:10NDNDND
07:20NDNDND
07:30NDNDND
07:40NDNDND
07:50NDNDND
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDND9.3
08:40NDNDND
08:50NDNDND
09:00NDNDND
09:10NDNDND
09:20NDND12
09:30NDND9.7
09:40NDND11
09:50NDND13
10:00NDND13
10:10NDND11
10:20NDND10
10:30NDND11
10:40NDND10
10:50NDNDND
11:00NDNDND
11:10NDNDND
11:20NDNDND
11:30NDNDND
11:40NDNDND
11:50NDND9.5
12:00NDND13
12:10NDND11
12:20NDND13
12:30NDND13
12:40NDND14
12:50NDND12
13:00NDND11
13:10NDND13
13:20NDND12
13:30NDND13
13:40NDND11
13:50NDND10
14:00NDND8.9
14:10NDND11
14:20NDND12
14:30NDND10
14:40NDND10
14:50NDND13
15:00NDND10
15:10NDND9.0
15:20NDNDND
15:30NDNDND
15:40NDNDND
15:50NDNDND
16:00NDNDND
16:10NDNDND
16:20NDNDND
16:30NDND11
16:40NDND11
16:50NDND14
17:00NDND14
17:10NDND18
17:20NDND16
17:30NDND14
17:40NDND14
17:50NDND14
18:00NDND11
18:10NDNDND
18:20NDNDND
18:30NDNDND
18:40NDNDND
18:50NDNDND
19:00NDNDND
19:10NDNDND
19:20NDNDND
19:30NDNDND
19:40NDNDND
19:50NDNDND
20:00NDND9.2
20:10NDNDND
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDNDND
21:40NDNDND
21:50NDNDND
22:00NDNDND
22:10NDNDND
22:20NDNDND
22:30NDNDND
22:40NDNDND
22:50NDNDND
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDNDND
23:40NDNDND
23:50NDNDND