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

○Information

○Measurement value list : 2020/12/04(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.7
00:10NDND9.0
00:20NDND11
00:30NDND9.3
00:40NDND9.5
00:50NDND11
01:00NDND10
01:10NDND13
01:20NDND13
01:30NDND13
01:40NDND13
01:50NDND14
02:00NDND13
02:10NDND12
02:20NDND11
02:30NDND11
02:40NDND12
02:50NDND11
03:00NDND14
03:10NDND15
03:20NDND14
03:30NDND14
03:40NDND17
03:50NDND16
04:00NDND14
04:10NDND12
04:20NDND12
04:30NDND13
04:40NDND10
04:50NDND8.9
05:00NDNDND
05:10NDND8.8
05:20NDND11
05:30NDND9.9
05:40NDND12
05:50NDND12
06:00NDND14
06:10NDND14
06:20NDND13
06:30NDND14
06:40NDND16
06:50NDND19
07:00NDND17
07:10NDND17
07:20NDND20
07:30NDND18
07:40NDND16
07:50NDND12
08:00NDND13
08:10NDND14
08:20NDND13
08:30NDND12
08:40NDND13
08:50NDND12
09:00NDND14
09:10NDND13
09:20NDND12
09:30NDND13
09:40NDND9.6
09:50NDND12
10:00NDNDND
10:10NDND9.5
10:20NDND8.9
10:30NDNDND
10:40NDND11
10:50NDND10
11:00NDND14
11:10NDND11
11:20NDND13
11:30NDND12
11:40NDND12
11:50NDND14
12:00NDND13
12:10NDND15
12:20NDND11
12:30NDND12
12:40NDND14
12:50NDND13
13:00NDND10
13:10NDND9.6
13:20NDND10
13:30NDND10
13:40NDNDND
13:50NDND8.9
14:00NDND11
14:10NDND12
14:20NDND13
14:30NDND13
14:40NDND9.9
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDNDND
15:30NDNDND
15:40NDND8.9
15:50NDND10
16:00NDND13
16:10NDND15
16:20NDND19
16:30NDND18
16:40NDND18
16:50NDND18
17:00NDND17
17:10NDND16
17:20NDND15
17:30NDND16
17:40NDND14
17:50NDND14
18:00NDND15
18:10NDND14
18:20NDND14
18:30NDND13
18:40NDND10
18:50NDND9.2
19:00NDNDND
19:10NDNDND
19:20NDNDND
19:30NDNDND
19:40NDNDND
19:50NDNDND
20:00NDND9.3
20:10NDND12
20:20NDND11
20:30NDND10
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDNDND
21:40NDND9.6
21:50NDNDND
22:00NDND8.8
22:10NDND8.8
22:20NDNDND
22:30NDNDND
22:40NDNDND
22:50NDNDND
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDND10
23:40NDND12
23:50NDND12