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

○Information

○Measurement value list : 2025/04/14(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
00:20NDNDND
00:30NDNDND
00:40NDNDND
00:50NDNDND
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDNDND
01:40NDNDND
01:50NDNDND
02:00NDNDND
02:10NDNDND
02:20NDNDND
02:30NDNDND
02:40NDNDND
02:50NDNDND
03:00NDNDND
03:10NDNDND
03:20NDNDND
03:30NDNDND
03:40NDNDND
03:50NDNDND
04:00NDNDND
04:10NDNDND
04:20NDNDND
04:30NDNDND
04:40NDNDND
04:50NDNDND
05:00NDNDND
05:10NDNDND
05:20NDNDND
05:30NDNDND
05:40NDNDND
05:50NDNDND
06:00NDNDND
06:10NDNDND
06:20NDNDND
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDNDND
07:10NDNDND
07:20NDNDND
07:30NDNDND
07:40NDNDND
07:50NDNDND
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDNDND
08:40NDNDND
08:50NDNDND
09:00---
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---
14:10NDND-
14:20NDND-
14:30NDND-
14:40NDND-
14:50NDND-
15:00NDND-
15:10NDND-
15:20NDND-
15:30NDND-
15:40NDND-
15:50NDND-
16:00NDND-
16:10NDND-
16:20NDND-
16:30NDND-
16:40NDND-
16:50NDND-
17:00NDND-
17:10NDND-
17:20NDND-
17:30NDND-
17:40NDND-
17:50NDND-
18:00NDND-
18:10NDND-
18:20NDND-
18:30NDND-
18:40NDND-
18:50NDND-
19:00NDND-
19:10NDND-
19:20NDND-
19:30NDND-
19:40NDND-
19:50NDND-
20:00NDND-
20:10NDND-
20:20NDND-
20:30NDND-
20:40NDND-
20:50NDND-
21:00NDND-
21:10NDND-
21:20NDND-
21:30NDND-
21:40NDND-
21:50NDND-
22:00NDND-
22:10NDND-
22:20NDND-
22:30NDND-
22:40NDND-
22:50NDND-
23:00NDND-
23:10NDND-
23:20NDND-
23:30NDND-
23:40NDND-
23:50NDND-