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

○Information

○Measurement value list : 2021/12/16(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDNDND
00:10NDND9.6
00:20NDND10
00:30NDND11
00:40NDND12
00:50NDND13
01:00NDND11
01:10NDND10
01:20NDND9.5
01:30NDND11
01:40NDNDND
01:50NDNDND
02:00NDND9.0
02:10NDND10
02:20NDNDND
02:30NDNDND
02:40NDND9.0
02:50NDND11
03:00NDND10
03:10NDND10
03:20NDND14
03:30NDND13
03:40NDND10
03:50NDNDND
04:00NDND9.3
04:10NDND9.3
04:20NDNDND
04:30NDNDND
04:40NDND13
04:50NDND13
05:00NDND11
05:10NDND10
05:20NDND12
05:30NDND11
05:40NDND9.0
05:50NDNDND
06:00NDND8.8
06:10NDND9.9
06:20NDND9.0
06:30NDNDND
06:40NDNDND
06:50NDND10
07:00NDND12
07:10NDND12
07:20NDND12
07:30NDND13
07:40NDND11
07:50NDND12
08:00NDND11
08:10NDND11
08:20NDND11
08:30NDND13
08:40NDND13
08:50NDNDND
09:00NDND9.2
09:10NDNDND
09:20NDNDND
09:30NDNDND
09:40NDNDND
09:50NDNDND
10:00NDNDND
10:10NDNDND
10:20NDND10
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
12:40NDNDND
12:50NDNDND
13:00NDND11
13:10NDND11
13:20NDND11
13:30NDND13
13:40NDND14
13:50NDND16
14:00NDND14
14:10NDND15
14:20NDND15
14:30NDND11
14:40NDND12
14:50NDND11
15:00NDND10
15:10NDND10
15:20NDND11
15:30NDND14
15:40NDND12
15:50NDND12
16:00NDND14
16:10NDND16
16:20NDND18
16:30NDND16
16:40NDND16
16:50NDND14
17:00NDND13
17:10NDND10
17:20NDND9.3
17:30NDND10
17:40NDND10
17:50NDND9.3
18:00NDND11
18:10NDND12
18:20NDND9.9
18:30NDNDND
18:40NDND11
18:50NDND12
19:00NDND10
19:10NDND9.0
19:20NDND9.6
19:30NDND11
19:40NDNDND
19:50NDNDND
20:00NDNDND
20:10NDNDND
20:20NDNDND
20:30NDNDND
20:40NDND9.7
20:50NDND10
21:00NDND10
21:10NDND9.9
21:20NDND12
21:30NDND12
21:40NDND12
21:50NDND13
22:00NDND14
22:10NDND14
22:20NDND11
22:30NDND11
22:40NDND9.7
22:50NDND9.5
23:00NDND9.0
23:10NDND8.9
23:20NDND9.5
23:30NDNDND
23:40NDND11
23:50NDND12