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

○Information

○Measurement value list : 2023/08/04(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
00:20NDNDND
00:30NDNDND
00:40NDNDND
00:50NDND9.9
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDNDND
02:00NDNDND
02:10NDNDND
02:20NDNDND
02:30NDNDND
02:40NDND11
02:50NDND10
03:00NDNDND
03:10NDNDND
03:20NDNDND
03:30NDNDND
03:40NDNDND
03:50NDNDND
04:00NDND9.2
04:10NDND8.8
04:20NDND9.7
04:30NDND8.8
04:40NDNDND
04:50NDND9.7
05:00NDNDND
05:10NDNDND
05:20NDNDND
05:30NDND11
05:40NDND9.0
05:50NDNDND
06:00NDNDND
06:10NDND8.8
06:20NDND9.2
06:30NDNDND
06:40NDND9.2
06:50NDNDND
07:00NDNDND
07:10NDNDND
07:20NDNDND
07:30NDNDND
07:40NDNDND
07:50NDNDND
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDNDND
08:40NDNDND
08:50NDNDND
09:00NDNDND
09:10NDNDND
09:20NDNDND
09:30NDNDND
09:40NDNDND
09:50NDNDND
10:00NDNDND
10:10NDNDND
10:20NDNDND
10:30NDNDND
10:40NDNDND
10:50NDND9.0
11:00NDND12
11:10NDND13
11:20NDND13
11:30NDND15
11:40NDND14
11:50NDND11
12:00NDNDND
12:10NDND10
12:20NDND9.6
12:30NDNDND
12:40NDND10
12:50NDND12
13:00NDND10
13:10NDNDND
13:20NDNDND
13:30NDND9.5
13:40NDNDND
13:50NDNDND
14:00NDND8.8
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDND9.5
15:00NDND14
15:10NDND16
15:20NDND15
15:30NDND18
15:40NDND15
15:50NDND12
16:00NDNDND
16:10NDNDND
16:20NDNDND
16:30NDNDND
16:40NDNDND
16:50NDNDND
17:00NDNDND
17:10NDNDND
17:20NDNDND
17:30NDND9.3
17:40NDNDND
17:50NDNDND
18:00NDNDND
18:10NDNDND
18:20NDNDND
18:30NDNDND
18:40NDNDND
18:50--ND
19:00--ND
19:10--ND
19:20--ND
19:30--ND
19:40--ND
19:50--ND
20:00--ND
20:10--ND
20:20--ND
20:30--ND
20:40--8.8
20:50--11
21:00--9.7
21:10--8.9
21:20--ND
21:30--ND
21:40--ND
21:50--ND
22:00--ND
22:10--ND
22:20--ND
22:30--ND
22:40--ND
22:50--ND
23:00--ND
23:10--ND
23:20--ND
23:30--ND
23:40--ND
23:50--ND