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

○Information

○Measurement value list ： 2020/12/21(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND17
00:10NDND15
00:20NDND18
00:30NDND18
00:40NDND16
00:50NDND15
01:00NDND11
01:10NDND13
01:20NDND11
01:30NDND11
01:40NDND11
01:50NDND13
02:00NDND16
02:10NDND16
02:20NDND16
02:30NDND18
02:40NDND18
02:50NDND20
03:00NDND17
03:10NDND16
03:20NDND16
03:30NDND14
03:40NDND16
03:50NDND11
04:00NDND13
04:10NDND12
04:20NDND10
04:30NDND9.9
04:40NDNDND
04:50NDND9.3
05:00NDNDND
05:10NDND9.2
05:20NDND12
05:30NDND9.3
05:40NDND12
05:50NDND13
06:00NDND12
06:10NDND15
06:20NDND16
06:30NDND18
06:40NDND17
06:50NDND18
07:00NDND20
07:10NDND16
07:20NDND16
07:30NDND16
07:40NDND14
07:50NDND8.9
08:00NDND10
08:10NDND10
08:20NDND8.9
08:30NDNDND
08:40NDND11
08:50NDND12
09:00NDND9.6
09:10---
09:20---
09:30---
09:40---
09:50---
10:00---
10:10---
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---
13:10---
13:20---
13:30---
13:40---
13:50---
14:00---
14:10---
14:20---
14:30---
14:40---
14:50---
15:00---
15:10---
15:20---
15:30---
15:40---
15:50NDND11
16:00NDND14
16:10NDND17
16:20NDND18
16:30NDND18
16:40NDND16
16:50NDND16
17:00NDND14
17:10NDND12
17:20NDND10
17:30NDND11
17:40NDND9.0
17:50NDNDND
18:00NDNDND
18:10NDND8.8
18:20NDNDND
18:30NDNDND
18:40NDND8.9
18:50NDND11
19:00NDND10
19:10NDNDND
19:20NDND9.5
19:30NDNDND
19:40NDND9.0
19:50NDND10
20:00NDND11
20:10NDND10
20:20NDNDND
20:30NDND9.3
20:40NDNDND
20:50NDNDND
21:00NDND9.0
21:10NDND9.9
21:20NDND10
21:30NDND12
21:40NDND12
21:50NDND10
22:00NDNDND
22:10NDNDND
22:20NDND9.3
22:30NDND8.8
22:40NDND9.2
22:50NDND10
23:00NDND10
23:10NDND11
23:20NDND10
23:30NDND8.8
23:40NDNDND
23:50NDNDND