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

○Information

○Measurement value list ： 2024/06/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND18
00:10NDND21
00:20NDND19
00:30NDND14
00:40NDND13
00:50NDND14
01:00NDND13
01:10NDND13
01:20NDND11
01:30NDND13
01:40NDND13
01:50NDND9.7
02:00NDND12
02:10NDND11
02:20NDND14
02:30NDND13
02:40NDND12
02:50NDND16
03:00NDND15
03:10NDND14
03:20NDND12
03:30NDND12
03:40NDND12
03:50NDNDND
04:00NDND8.8
04:10NDND10
04:20NDND11
04:30NDNDND
04:40NDND12
04:50NDND15
05:00NDND15
05:10NDND14
05:20NDND15
05:30NDND-
05:40NDND-
05:50NDND-
06:00NDND-
06:10NDND-
06:20NDND-
06:30NDND-
06:40NDND-
06:50NDND-
07:00NDND-
07:10NDND-
07:20NDND-
07:30NDND-
07:40NDND-
07:50NDND-
08:00NDND-
08:10NDND-
08:20NDND-
08:30NDND-
08:40NDND-
08:50NDND-
09:00NDND-
09:10NDND-
09:20NDND-
09:30NDND-
09:40NDND-
09:50NDND-
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---
15:30NDND18
15:40NDND15
15:50NDND17
16:00NDND17
16:10NDND17
16:20NDND16
16:30NDND11
16:40NDND11
16:50NDND9.0
17:00NDNDND
17:10NDNDND
17:20NDNDND
17:30NDNDND
17:40NDNDND
17:50NDNDND
18:00NDNDND
18:10NDNDND
18:20NDND9.3
18:30NDNDND
18:40NDNDND
18:50NDND9.6
19:00NDNDND
19:10NDND9.9
19:20NDNDND
19:30NDNDND
19:40NDND9.0
19:50NDNDND
20:00NDNDND
20:10NDNDND
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDNDND
21:00NDND9.0
21:10NDND9.5
21:20NDND9.2
21:30NDNDND
21:40NDND9.3
21:50NDND9.7
22:00NDND12
22:10NDND12
22:20NDND13
22:30NDND14
22:40NDND13
22:50NDND10
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDNDND
23:40NDNDND
23:50NDNDND