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

○Information

○Measurement value list : 2024/10/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND11
00:10NDND12
00:20NDND14
00:30NDND10
00:40NDND9.6
00:50NDND8.9
01:00NDND9.7
01:10NDNDND
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDNDND
02:00NDNDND
02:10NDND10
02:20NDND12
02:30NDND13
02:40NDND10
02:50NDND11
03:00NDND9.5
03:10NDND13
03:20NDND13
03:30NDND11
03:40NDND14
03:50NDND13
04:00NDND13
04:10NDND11
04:20NDND12
04:30NDND13
04:40NDND12
04:50NDND13
05:00NDND12
05:10NDND10
05:20NDND9.6
05:30NDND11
05:40NDND12
05:50NDND12
06:00NDND12
06:10NDND13
06:20NDND12
06:30NDND11
06:40NDND11
06:50NDND9.7
07:00NDND11
07:10NDND9.7
07:20NDND12
07:30NDND12
07:40NDND13
07:50NDND14
08:00NDND12
08:10NDND14
08:20NDND8.9
08:30NDNDND
08:40NDNDND
08:50NDNDND
09:00NDNDND
09:10NDNDND
09:20NDND9.7
09:30NDND10
09:40NDND12
09:50NDND14
10:00NDND12
10:10NDND12
10:20NDND10
10:30NDND11
10:40NDNDND
10:50NDNDND
11:00NDNDND
11:10NDNDND
11:20NDNDND
11:30NDNDND
11:40NDNDND
11:50NDND9.7
12:00NDND11
12:10NDND12
12:20NDND12
12:30NDND11
12:40NDND11
12:50NDND11
13:00NDND12
13:10NDND12
13:20NDND12
13:30NDND15
13:40NDND16
13:50NDND16
14:00NDND14
14:10NDND11
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDND11
15:20NDND12
15:30NDND12
15:40NDND14
15:50NDND16
16:00NDND18
16:10NDND16
16:20NDND17
16:30NDND13
16:40NDND9.6
16:50NDNDND
17:00NDNDND
17:10NDNDND
17:20NDNDND
17:30NDND9.0
17:40NDND11
17:50NDND10
18:00NDND10
18:10NDND9.6
18:20NDNDND
18:30NDNDND
18:40NDNDND
18:50NDNDND
19:00NDNDND
19:10NDNDND
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
21:40NDND9.3
21:50NDND9.6
22:00NDND10
22:10NDNDND
22:20NDND9.3
22:30NDND9.7
22:40NDND12
22:50NDND10
23:00NDND11
23:10NDND13
23:20NDND11
23:30NDND12
23:40NDND11
23:50NDND12