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

○Information

○Measurement value list ： 2021/05/10(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND8.8
00:10NDND12
00:20NDND10
00:30NDND9.9
00:40NDND11
00:50NDNDND
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDND10
02:00NDND9.2
02:10NDND13
02:20NDND14
02:30NDND12
02:40NDND14
02:50NDND15
03:00NDND18
03:10NDND16
03:20NDND17
03:30NDND21
03:40NDND18
03:50NDND18
04:00NDND19
04:10NDND18
04:20NDND17
04:30NDND14
04:40NDND14
04:50NDND14
05:00NDND13
05:10NDND16
05:20NDND15
05:30NDND16
05:40NDND15
05:50NDND16
06:00NDND14
06:10NDND14
06:20NDND14
06:30NDND13
06:40NDND13
06:50NDND13
07:00NDND14
07:10NDND12
07:20NDND13
07:30NDND12
07:40NDND12
07:50NDND12
08:00NDND13
08:10NDND9.6
08:20NDND9.5
08:30NDND11
08:40NDND12
08:50NDND13
09:00NDND14
09:10NDND17
09:20NDND16
09:30NDND14
09:40NDND14
09:50NDND15
10:00NDND14
10:10NDND16
10:20NDND14
10:30NDND16
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---
13:20NDND10
13:30NDND12
13:40NDND13
13:50NDND12
14:00NDND13
14:10NDND13
14:20NDND15
14:30NDND13
14:40NDND13
14:50NDND14
15:00NDND16
15:10NDND17
15:20NDND19
15:30NDND19
15:40NDND17
15:50NDND16
16:00NDND13
16:10NDND13
16:20NDND11
16:30NDND12
16:40NDND14
16:50NDND12
17:00NDND12
17:10NDND11
17:20NDND9.9
17:30NDND9.2
17:40NDND10
17:50NDND14
18:00NDND14
18:10NDND13
18:20NDND14
18:30NDND13
18:40NDND11
18:50NDNDND
19:00NDNDND
19:10NDND12
19:20NDND10
19:30NDND10
19:40NDND13
19:50NDND15
20:00NDND16
20:10NDND15
20:20NDND18
20:30NDND20
20:40NDND18
20:50NDND17
21:00NDND15
21:10NDND13
21:20NDND12
21:30NDND8.9
21:40NDNDND
21:50NDNDND
22:00NDNDND
22:10NDNDND
22:20NDNDND
22:30NDND11
22:40NDND12
22:50NDND13
23:00NDND15
23:10NDND15
23:20NDND14
23:30NDND14
23:40NDND10
23:50NDNDND