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

○Information

○Measurement value list : 2023/06/07(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND18
00:10NDND16
00:20NDND17
00:30NDND17
00:40NDND17
00:50NDND18
01:00NDND19
01:10NDND18
01:20NDND19
01:30NDND19
01:40NDND19
01:50NDND16
02:00NDND16
02:10NDND17
02:20NDND18
02:30NDND18
02:40NDND19
02:50NDND19
03:00NDND16
03:10NDND17
03:20NDND13
03:30NDND16
03:40NDND16
03:50NDND16
04:00NDND18
04:10NDND14
04:20NDND16
04:30NDND14
04:40NDND15
04:50NDND16
05:00NDND18
05:10NDND20
05:20NDND20
05:30NDND20
05:40NDND19
05:50NDND19
06:00NDND17
06:10NDND17
06:20NDND17
06:30NDND17
06:40NDND14
06:50NDND14
07:00NDND15
07:10NDND16
07:20NDND16
07:30NDND15
07:40NDND15
07:50NDND15
08:00NDND12
08:10NDND9.6
08:20NDND13
08:30NDND18
08:40NDND17
08:50NDND18
09:00NDND20
09:10NDND21
09:20NDND21
09:30NDND18
09:40NDND20
09:50NDND19
10:00NDND18
10:10NDND18
10:20---
10:30---
10:40---
10:50---
11:00---
11:10---
11:20---
11:30---
11:40---
11:50---
12:00---
12:10---
12:20---
12:30---
12:40---
12:50---
13:00---
13:10NDND14
13:20NDND16
13:30NDND14
13:40NDND14
13:50NDND17
14:00NDND16
14:10NDND19
14:20NDND18
14:30NDND21
14:40NDND21
14:50NDND19
15:00NDND19
15:10NDND16
15:20NDND16
15:30NDND16
15:40NDND17
15:50NDND16
16:00NDND17
16:10NDND18
16:20NDND16
16:30NDND17
16:40NDND16
16:50NDND15
17:00NDND16
17:10NDND14
17:20NDND16
17:30NDND17
17:40NDND17
17:50NDND15
18:00NDND14
18:10NDND15
18:20NDND17
18:30NDND16
18:40NDND16
18:50NDND19
19:00NDND18
19:10NDND17
19:20NDND14
19:30NDND12
19:40NDND12
19:50NDND10
20:00NDND11
20:10NDND11
20:20NDND10
20:30NDND11
20:40NDND10
20:50NDND11
21:00NDND12
21:10NDND14
21:20NDND15
21:30NDND15
21:40NDND17
21:50NDND15
22:00NDND17
22:10NDND16
22:20NDND14
22:30NDND14
22:40NDND13
22:50NDND14
23:00NDND9.7
23:10NDND9.0
23:20NDND10
23:30NDND10
23:40NDND9.3
23:50NDND12