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

○Information

○Measurement value list : 2021/04/23(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.2
00:10NDND8.9
00:20NDND11
00:30NDND12
00:40NDND8.8
00:50NDND8.9
01:00NDND13
01:10NDND14
01:20NDND14
01:30NDND13
01:40NDND15
01:50NDND16
02:00NDND14
02:10NDND12
02:20NDND10
02:30NDND11
02:40NDND13
02:50NDND11
03:00NDND9.7
03:10NDNDND
03:20NDND8.8
03:30NDND9.6
03:40NDNDND
03:50NDND10
04:00NDND14
04:10NDND17
04:20NDND19
04:30NDND18
04:40NDND16
04:50NDND15
05:00NDND13
05:10NDND12
05:20NDND9.2
05:30NDND9.6
05:40NDNDND
05:50NDNDND
06:00NDNDND
06:10NDNDND
06:20NDNDND
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDND10
07:10NDND12
07:20NDND11
07:30NDND13
07:40NDND12
07:50NDND12
08:00NDND12
08:10NDND9.5
08:20NDND10
08:30NDNDND
08:40NDNDND
08:50NDND8.8
09:00NDNDND
09:10NDNDND
09:20NDNDND
09:30NDNDND
09:40NDNDND
09:50NDNDND
10:00NDNDND
10:10NDNDND
10:20NDNDND
10:30NDNDND
10:40NDNDND
10:50NDNDND
11:00NDNDND
11:10NDNDND
11:20NDNDND
11:30NDND10
11:40NDND9.6
11:50NDNDND
12:00NDND11
12:10NDND10
12:20NDND10
12:30NDND9.5
12:40NDND9.0
12:50NDNDND
13:00NDNDND
13:10NDNDND
13:20NDNDND
13:30NDNDND
13:40NDNDND
13:50NDNDND
14:00NDND9.5
14:10NDND9.5
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDND8.9
15:00NDNDND
15:10NDND9.9
15:20NDND12
15:30NDND12
15:40NDND12
15:50NDND11
16:00NDND9.3
16:10NDND9.0
16:20NDND9.6
16:30NDND12
16:40NDND13
16:50NDND14
17:00NDND16
17:10NDND13
17:20NDND12
17:30NDND9.5
17:40NDNDND
17:50NDND9.5
18:00NDND9.0
18:10NDND13
18:20NDND12
18:30NDND10
18:40NDND9.2
18:50NDNDND
19:00NDNDND
19:10NDNDND
19:20NDND8.8
19:30NDND10
19:40NDND9.5
19:50NDND10
20:00NDND12
20:10NDND8.9
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDNDND
21:40NDNDND
21:50NDNDND
22:00NDNDND
22:10NDND10
22:20NDND11
22:30NDNDND
22:40NDNDND
22:50NDND9.2
23:00NDNDND
23:10NDND9.3
23:20NDND9.9
23:30NDND13
23:40NDND9.3
23:50NDND11