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

○Information

○Measurement value list ： 2025/09/03(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00--ND
00:10--ND
00:20--ND
00:30--ND
00:40--ND
00:50--ND
01:00--ND
01:10--ND
01:20--ND
01:30--ND
01:40--ND
01:50--ND
02:00--ND
02:10--ND
02:20--ND
02:30--ND
02:40--ND
02:50--ND
03:00--ND
03:10--ND
03:20--ND
03:30--ND
03:40--ND
03:50--ND
04:00--ND
04:10--ND
04:20--ND
04:30--ND
04:40--ND
04:50--ND
05:00--ND
05:10--ND
05:20--ND
05:30--ND
05:40--ND
05:50--ND
06:00--ND
06:10--ND
06:20--ND
06:30--ND
06:40--ND
06:50--ND
07:00--ND
07:10--ND
07:20--ND
07:30--ND
07:40--ND
07:50--ND
08:00--ND
08:10--ND
08:20--ND
08:30--ND
08:40--ND
08:50--ND
09:00--ND
09:10--ND
09:20--ND
09:30--ND
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---
15:50---
16:00---
16:10---
16:20---
16:30---
16:40---
16:50---
17:00---
17:10---
17:20--ND
17:30--ND
17:40--ND
17:50--ND
18:00--ND
18:10--ND
18:20--ND
18:30--ND
18:40--ND
18:50--ND
19:00--ND
19:10--ND
19:20--ND
19:30--ND
19:40--ND
19:50--ND
20:00--ND
20:10--ND
20:20--ND
20:30--ND
20:40--ND
20:50--ND
21:00--ND
21:10--ND
21:20--ND
21:30--ND
21:40--ND
21:50--ND
22:00--ND
22:10--ND
22:20--ND
22:30--ND
22:40--ND
22:50--ND
23:00--ND
23:10--ND
23:20--ND
23:30--ND
23:40--ND
23:50--ND