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

○Information

○Measurement value list : 2021/05/04(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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