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

○Information

○Measurement value list : 2021/03/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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