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

○Information

○Measurement value list : 2021/02/28(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND11
00:10NDND11
00:20NDND11
00:30NDND11
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
03:10NDND9.5
03:20NDND10
03:30NDND9.3
03:40NDND9.5
03:50NDND10
04:00NDND10
04:10NDNDND
04:20NDNDND
04:30NDNDND
04:40NDNDND
04:50NDNDND
05:00NDNDND
05:10NDNDND
05:20NDNDND
05:30NDND9.6
05:40NDNDND
05:50NDNDND
06:00NDNDND
06:10NDND8.8
06:20NDND10
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDND8.9
07:10NDND10
07:20NDND10
07:30NDNDND
07:40NDND10
07:50NDND9.7
08:00NDNDND
08:10NDND9.9
08:20NDND11
08:30NDND13
08:40NDND14
08:50NDND13
09:00NDND16
09:10NDND11
09:20NDNDND
09:30NDNDND
09:40NDNDND
09:50NDNDND
10:00NDNDND
10:10NDNDND
10:20NDNDND
10:30NDND8.8
10:40NDND9.0
10:50NDND12
11:00NDND12
11:10NDND11
11:20NDND12
11:30NDND13
11:40NDND11
11:50NDND10
12:00NDNDND
12:10NDNDND
12:20NDNDND
12:30NDNDND
12:40NDNDND
12:50NDNDND
13:00NDNDND
13:10NDND10
13:20NDND14
13:30NDND17
13:40NDND18
13:50NDND16
14:00NDND16
14:10NDND14
14:20NDND12
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDND11
15:10NDND11
15:20NDND11
15:30NDND12
15:40NDND11
15:50NDND11
16:00NDNDND
16:10NDNDND
16:20NDNDND
16:30NDNDND
16:40NDNDND
16:50NDNDND
17:00NDNDND
17:10NDNDND
17:20NDNDND
17:30NDNDND
17:40NDNDND
17:50NDNDND
18:00NDNDND
18:10NDNDND
18:20NDND9.3
18:30NDNDND
18:40NDNDND
18:50NDNDND
19:00NDNDND
19:10NDNDND
19:20NDNDND
19:30NDNDND
19:40NDND10
19:50NDND11
20:00NDND11
20:10NDND10
20:20NDND11
20:30NDND10
20:40NDND10
20:50NDND9.3
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDNDND
21:40NDNDND
21:50NDNDND
22:00NDND9.3
22:10NDNDND
22:20NDNDND
22:30NDNDND
22:40NDNDND
22:50NDNDND
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDND8.8
23:40NDNDND
23:50NDNDND