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

○Information

○Measurement value list : 2024/12/18(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
00:50NDNDND
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDNDND
02:00NDNDND
02:10NDNDND
02:20NDNDND
02:30NDNDND
02:40NDNDND
02:50NDNDND
03:00NDNDND
03:10NDNDND
03:20NDNDND
03:30NDNDND
03:40NDND8.8
03:50NDND9.6
04:00NDND11
04:10NDNDND
04:20NDND10
04:30NDND12
04:40NDND8.9
04:50NDND10
05:00NDNDND
05:10NDNDND
05:20NDNDND
05:30NDNDND
05:40NDNDND
05:50NDNDND
06:00NDNDND
06:10NDNDND
06:20NDNDND
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDNDND
07:10NDNDND
07:20NDNDND
07:30NDNDND
07:40NDNDND
07:50NDND8.8
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDNDND
08:40NDNDND
08:50NDNDND
09:00NDNDND
09:10NDNDND
09:20NDNDND
09:30NDNDND
09:40NDNDND
09:50NDND10
10:00NDND11
10:10NDND12
10:20NDND14
10:30NDND11
10:40NDND10
10:50NDNDND
11:00NDND9.0
11:10NDNDND
11:20NDNDND
11:30NDND9.9
11:40NDND8.8
11:50NDND11
12:00NDND10
12:10NDND11
12:20NDNDND
12:30NDNDND
12:40NDNDND
12:50NDNDND
13:00NDNDND
13:10NDNDND
13:20NDNDND
13:30NDNDND
13:40NDNDND
13:50NDNDND
14:00NDNDND
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDND12
14:50NDND13
15:00NDND14
15:10NDND16
15:20NDND18
15:30NDND16
15:40NDND13
15:50NDND13
16:00NDND12
16:10NDND9.3
16:20NDNDND
16:30NDND9.7
16:40NDND9.0
16:50NDND9.5
17:00NDNDND
17:10NDND10
17:20NDND12
17:30NDND13
17:40NDND11
17:50NDND11
18:00NDND11
18:10NDND10
18:20NDND9.3
18:30NDND9.0
18:40NDND12
18:50NDND12
19:00NDND12
19:10NDND9.6
19:20NDNDND
19:30NDNDND
19:40NDNDND
19:50NDNDND
20:00NDNDND
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
22:20NDND8.9
22:30NDNDND
22:40NDNDND
22:50NDNDND
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDNDND
23:40NDNDND
23:50NDNDND