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

○Information

○Measurement value list : 2021/03/23(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDNDND
00:10NDNDND
00:20NDND9.3
00:30NDND9.6
00:40NDND9.3
00:50NDND11
01:00NDND14
01:10NDND13
01:20NDND12
01:30NDND12
01:40NDND12
01:50NDND12
02:00NDND14
02:10NDND17
02:20NDND17
02:30NDND20
02:40NDND18
02:50NDND17
03:00NDND13
03:10NDND12
03:20NDND11
03:30NDNDND
03:40NDNDND
03:50NDNDND
04:00NDND10
04:10NDND10
04:20NDND12
04:30NDND14
04:40NDND14
04:50NDND13
05:00NDND12
05:10NDND13
05:20NDND12
05:30NDND12
05:40NDND13
05:50NDND12
06:00NDND12
06:10NDNDND
06:20NDND8.8
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDND9.9
07:10NDND14
07:20NDND13
07:30NDND12
07:40NDND12
07:50NDND13
08:00NDND13
08:10NDND10
08:20NDND9.7
08:30NDND10
08:40NDNDND
08:50NDNDND
09:00NDNDND
09:10NDNDND
09:20NDNDND
09:30NDNDND
09:40NDND12
09:50NDND14
10:00NDND14
10:10NDND14
10:20NDND15
10:30NDND16
10:40NDND12
10:50NDND11
11:00NDND11
11:10NDND12
11:20NDND11
11:30NDNDND
11:40NDNDND
11:50NDND8.9
12:00NDND8.9
12:10NDNDND
12:20NDNDND
12:30NDNDND
12:40NDNDND
12:50NDNDND
13:00NDNDND
13:10NDND8.9
13:20NDNDND
13:30NDND13
13:40NDND12
13:50NDND10
14:00NDND8.8
14:10NDND10
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDND11
15:30NDND14
15:40NDND13
15:50NDND12
16:00NDND13
16:10NDND10
16:20NDNDND
16:30NDNDND
16:40NDND10
16:50NDND12
17:00NDND9.7
17:10NDND12
17:20NDND12
17:30NDND11
17:40NDNDND
17:50NDNDND
18:00NDND10
18:10NDND9.3
18:20NDNDND
18:30NDNDND
18:40NDND9.7
18:50NDND9.2
19:00NDND9.5
19:10NDNDND
19:20NDND8.8
19:30NDNDND
19:40NDNDND
19:50NDNDND
20:00NDNDND
20:10NDNDND
20:20NDND10
20:30NDND11
20:40NDND10
20:50NDND9.7
21:00NDNDND
21:10NDND9.6
21:20NDND11
21:30NDND10
21:40NDND8.9
21:50NDND10
22:00NDND9.0
22:10NDNDND
22:20NDNDND
22:30NDNDND
22:40NDNDND
22:50NDND8.9
23:00NDND9.0
23:10NDNDND
23:20NDNDND
23:30NDND8.9
23:40NDND10
23:50NDND9.5