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

○Information

○Measurement value list : 2021/03/24(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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