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

○Information

○Measurement value list : 2024/07/21(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
00:20NDND9.9
00:30NDND9.9
00:40NDND11
00:50NDND12
01:00NDND12
01:10NDND12
01:20NDND13
01:30NDND9.7
01:40NDND8.8
01:50NDNDND
02:00NDND9.6
02:10NDNDND
02:20NDNDND
02:30NDND10
02:40NDNDND
02:50NDND9.0
03:00NDNDND
03:10NDND12
03:20NDND10
03:30NDND13
03:40NDND14
03:50NDND14
04:00NDND15
04:10NDND10
04:20NDND10
04:30NDNDND
04:40NDNDND
04:50NDNDND
05:00NDNDND
05:10NDNDND
05:20NDNDND
05:30NDNDND
05:40NDND9.0
05:50NDNDND
06:00NDNDND
06:10NDNDND
06:20NDND9.6
06:30NDNDND
06:40NDNDND
06:50NDND10
07:00NDNDND
07:10NDNDND
07:20NDNDND
07:30NDND10
07:40NDND10
07:50NDND9.0
08:00NDND11
08:10NDND11
08:20NDND11
08:30NDND10
08:40NDNDND
08:50NDND10
09:00NDND10
09:10NDND12
09:20NDND11
09:30NDND11
09:40NDND12
09:50NDND11
10:00NDND10
10:10NDNDND
10:20NDNDND
10:30NDNDND
10:40NDND8.9
10:50NDNDND
11:00NDND10
11:10NDND10
11:20NDND9.5
11:30NDNDND
11:40NDNDND
11:50NDNDND
12:00NDNDND
12:10NDNDND
12:20NDNDND
12:30NDND8.9
12:40NDND9.9
12:50NDND8.9
13:00NDNDND
13:10NDND9.5
13:20NDNDND
13:30NDNDND
13:40NDNDND
13:50NDNDND
14:00NDNDND
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDND9.7
15:30NDNDND
15:40NDNDND
15:50NDNDND
16:00NDNDND
16:10NDNDND
16:20NDNDND
16:30NDND9.5
16:40NDND11
16:50NDND12
17:00NDND14
17:10NDND16
17:20NDND12
17:30NDND10
17:40NDND11
17:50NDND9.6
18:00NDND10
18:10NDNDND
18:20NDNDND
18:30NDNDND
18:40NDNDND
18:50NDNDND
19:00NDNDND
19:10NDNDND
19:20NDNDND
19:30NDND10
19:40NDND10
19:50NDND10
20:00NDND10
20:10NDND9.2
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDNDND
21:40NDNDND
21:50NDND10
22:00NDND11
22:10NDND12
22:20NDND13
22:30NDND13
22:40NDND14
22:50NDND16
23:00NDND16
23:10NDND16
23:20NDND16
23:30NDND16
23:40NDND14
23:50NDND8.8