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

○Information

○Measurement value list : 2021/05/15(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
00:20NDNDND
00:30NDND9.0
00:40NDNDND
00:50NDNDND
01:00NDND9.6
01:10NDND9.3
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDNDND
02:00NDNDND
02:10NDND8.8
02:20NDND9.2
02:30NDND10
02:40NDND13
02:50NDND12
03:00NDND13
03:10NDND8.9
03:20NDND9.7
03:30NDND9.3
03:40NDNDND
03:50NDNDND
04:00NDNDND
04:10NDND10
04:20NDND10
04:30NDND11
04:40NDND12
04:50NDND12
05:00NDND13
05:10NDND11
05:20NDND10
05:30NDNDND
05:40NDNDND
05:50NDNDND
06:00NDNDND
06:10NDNDND
06:20NDNDND
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDNDND
07:10NDNDND
07:20NDNDND
07:30NDNDND
07:40NDNDND
07:50NDND8.8
08:00NDND8.8
08:10NDND9.3
08:20NDNDND
08:30NDND9.2
08:40NDNDND
08:50NDNDND
09:00NDNDND
09:10NDNDND
09:20NDNDND
09:30NDNDND
09:40NDND9.5
09:50NDND11
10:00NDND9.9
10:10NDND10
10:20NDND9.2
10:30NDNDND
10:40NDNDND
10:50NDNDND
11:00NDNDND
11:10NDNDND
11:20NDNDND
11:30NDNDND
11:40NDNDND
11:50NDNDND
12:00NDNDND
12:10NDNDND
12:20NDNDND
12:30NDNDND
12:40NDND9.3
12:50NDNDND
13:00NDNDND
13:10NDNDND
13:20NDNDND
13:30NDNDND
13:40NDND8.8
13:50NDNDND
14:00NDNDND
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDNDND
15:30NDNDND
15:40NDNDND
15:50NDNDND
16:00NDNDND
16:10NDND9.3
16:20NDND12
16:30NDND14
16:40NDND13
16:50NDND16
17:00NDND16
17:10NDND9.7
17:20NDNDND
17:30NDNDND
17:40NDNDND
17:50NDNDND
18:00NDNDND
18:10NDNDND
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
20:30NDND11
20:40NDND12
20:50NDND13
21:00NDND13
21:10NDND14
21:20NDND13
21:30NDND12
21:40NDND10
21:50NDND10
22:00NDNDND
22:10NDNDND
22:20NDND11
22:30NDND12
22:40NDND12
22:50NDND12
23:00NDND14
23:10NDND13
23:20NDND11
23:30NDND9.5
23:40NDND10
23:50NDND11