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

○Information

○Measurement value list ： 2024/10/21(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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