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

○Information

○Measurement value list : 2023/04/11(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.7
00:10NDND10
00:20NDND11
00:30NDND9.9
00:40NDND12
00:50NDND9.3
01:00NDND10
01:10NDND10
01:20NDND13
01:30NDND15
01:40NDND15
01:50NDND16
02:00NDND16
02:10NDND17
02:20NDND16
02:30NDND13
02:40NDND13
02:50NDND12
03:00NDND12
03:10NDND11
03:20NDND12
03:30NDND11
03:40NDND10
03:50NDND13
04:00NDND15
04:10NDND14
04:20NDND12
04:30NDND12
04:40NDND15
04:50NDND13
05:00NDND9.6
05:10NDND12
05:20NDND13
05:30NDND14
05:40NDND9.7
05:50NDNDND
06:00NDNDND
06:10NDNDND
06:20NDNDND
06:30NDNDND
06:40NDND10
06:50NDND12
07:00NDND16
07:10NDND16
07:20NDND13
07:30NDND15
07:40NDND17
07:50NDND15
08:00NDND13
08:10NDND14
08:20NDND14
08:30NDND12
08:40NDNDND
08:50NDNDND
09:00NDNDND
09:10NDNDND
09:20NDND8.8
09:30NDND10
09:40NDND11
09:50NDND13
10:00NDND13
10:10NDND13
10:20NDND12
10:30NDND9.3
10:40NDNDND
10:50NDND11
11:00NDND12
11:10NDND12
11:20NDND12
11:30NDND15
11:40NDND16
11:50NDND12
12:00NDND11
12:10NDNDND
12:20NDND9.0
12:30NDNDND
12:40NDNDND
12:50NDND8.8
13:00NDNDND
13:10NDND9.3
13:20NDND11
13:30NDND12
13:40NDND10
13:50NDND12
14:00NDND11
14:10NDND12
14:20NDND9.7
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDNDND
15:30NDND11
15:40NDND10
15:50NDND9.0
16:00NDND9.5
16:10NDND9.5
16:20NDND10
16:30NDNDND
16:40NDNDND
16:50NDND8.9
17:00NDND8.9
17:10NDNDND
17:20NDNDND
17:30NDNDND
17:40NDNDND
17:50NDNDND
18:00NDNDND
18:10NDNDND
18:20NDNDND
18:30NDNDND
18:40NDNDND
18:50NDNDND
19:00NDND8.8
19:10NDND12
19:20NDND12
19:30NDND16
19:40NDND16
19:50NDND16
20:00NDND14
20:10NDND14
20:20NDND12
20:30NDND9.2
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDND11
21:30NDND9.7
21:40NDND8.9
21:50NDND10
22:00NDND10
22:10NDND10
22:20NDND11
22:30NDND11
22:40NDND12
22:50NDND9.3
23:00NDND9.9
23:10NDND8.9
23:20NDND9.0
23:30NDND11
23:40NDND12
23:50NDND16