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

○Information

○Measurement value list : 2020/12/27(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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