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

○Information

○Measurement value list : 2021/04/21(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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