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

○Information

○Measurement value list : 2023/04/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDNDND
00:10NDNDND
00:20NDND12
00:30NDND11
00:40NDND11
00:50NDND11
01:00NDND12
01:10NDND9.5
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDNDND
02:00NDNDND
02:10NDND9.7
02:20NDND11
02:30NDND11
02:40NDND11
02:50NDND11
03:00NDND11
03:10NDND9.9
03:20NDNDND
03:30NDNDND
03:40NDNDND
03:50NDNDND
04:00NDND11
04:10NDND11
04:20NDND13
04:30NDND13
04:40NDND12
04:50NDND13
05:00NDND8.8
05:10NDND9.3
05:20NDND8.8
05:30NDNDND
05:40NDND8.8
05:50NDND9.2
06:00NDND12
06:10NDND14
06:20NDND15
06:30NDND17
06:40NDND16
06:50NDND16
07:00NDND17
07:10NDND15
07:20NDND13
07:30NDND13
07:40NDND12
07:50NDND9.7
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDNDND
08:40NDND8.9
08:50NDNDND
09:00NDNDND
09:10NDNDND
09:20NDNDND
09:30NDNDND
09:40NDNDND
09:50NDNDND
10:00NDND8.8
10:10NDND9.3
10:20NDNDND
10:30NDNDND
10:40NDNDND
10:50NDNDND
11:00NDNDND
11:10NDNDND
11:20NDND9.3
11:30NDND10
11:40NDND11
11:50NDND10
12:00NDND11
12:10NDND11
12:20NDND11
12:30NDND12
12:40NDNDND
12:50NDND9.3
13:00NDNDND
13:10NDNDND
13:20NDNDND
13:30NDNDND
13:40NDND9.6
13:50NDNDND
14:00NDND9.9
14:10NDND8.8
14:20NDND10
14:30NDND11
14:40NDND12
14:50NDND13
15:00NDND9.9
15:10NDND10
15:20NDND11
15:30NDND10
15:40NDNDND
15:50NDND11
16:00NDND14
16:10NDND13
16:20NDND12
16:30NDND10
16:40NDND9.7
16:50NDND10
17:00NDNDND
17:10NDND9.6
17:20NDND12
17:30NDND14
17:40NDND14
17:50NDND13
18:00NDND16
18:10NDND15
18:20NDND14
18:30NDND14
18:40NDND12
18:50NDND13
19:00NDND11
19:10NDND11
19:20NDNDND
19:30NDND9.7
19:40NDND13
19:50NDND12
20:00NDND10
20:10NDND9.6
20:20NDND9.6
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDND8.9
21:10NDND10
21:20NDND12
21:30NDND11
21:40NDND10
21:50NDND9.7
22:00NDNDND
22:10NDNDND
22:20NDNDND
22:30NDNDND
22:40NDND8.8
22:50NDNDND
23:00NDND10
23:10NDND11
23:20NDND9.7
23:30NDND11
23:40NDNDND
23:50NDNDND