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

○Information

○Measurement value list : 2023/04/30(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND17
00:10NDND19
00:20NDND17
00:30NDND18
00:40NDND15
00:50NDND14
01:00NDND14
01:10NDND12
01:20NDND14
01:30NDND15
01:40NDND15
01:50NDND17
02:00NDND18
02:10NDND18
02:20NDND19
02:30NDND18
02:40NDND20
02:50NDND19
03:00NDND18
03:10NDND18
03:20NDND16
03:30NDND18
03:40NDND16
03:50NDND16
04:00NDND16
04:10NDND14
04:20NDND13
04:30NDND13
04:40NDND13
04:50NDND14
05:00NDND14
05:10NDND17
05:20NDND18
05:30NDND20
05:40NDND20
05:50NDND18
06:00NDND18
06:10NDND18
06:20NDND18
06:30NDND16
06:40NDND18
06:50NDND21
07:00NDND20
07:10NDND22
07:20NDND22
07:30NDND27
07:40NDND25
07:50NDND20
08:00NDND22
08:10NDND19
08:20NDND19
08:30NDND16
08:40NDND18
08:50NDND21
09:00NDND20
09:10NDND20
09:20NDND20
09:30NDND21
09:40NDND21
09:50NDND19
10:00NDND20
10:10NDND18
10:20NDND16
10:30NDND16
10:40NDND16
10:50NDND16
11:00NDND15
11:10NDND17
11:20NDND20
11:30NDND21
11:40NDND21
11:50NDND21
12:00NDND19
12:10NDND21
12:20NDND19
12:30NDND20
12:40NDND20
12:50NDND21
13:00NDND21
13:10NDND22
13:20NDND23
13:30NDND21
13:40NDND18
13:50NDND18
14:00NDND21
14:10NDND19
14:20NDND20
14:30NDND21
14:40NDND24
14:50NDND23
15:00NDND20
15:10NDND20
15:20NDND18
15:30NDND16
15:40NDND17
15:50NDND16
16:00NDND19
16:10NDND19
16:20NDND22
16:30NDND22
16:40NDND20
16:50NDND22
17:00NDND19
17:10NDND20
17:20NDND17
17:30NDND19
17:40NDND21
17:50NDND22
18:00NDND22
18:10NDND21
18:20NDND23
18:30NDND21
18:40NDND21
18:50NDND19
19:00NDND20
19:10NDND20
19:20NDND16
19:30NDND17
19:40NDND16
19:50NDND13
20:00NDND13
20:10NDND13
20:20NDND19
20:30NDND18
20:40NDND16
20:50NDND16
21:00NDND17
21:10NDND16
21:20NDND13
21:30NDND14
21:40NDND14
21:50NDND16
22:00NDND13
22:10NDND13
22:20NDND11
22:30NDND9.7
22:40NDND12
22:50NDND13
23:00NDND17
23:10NDND18
23:20NDND20
23:30NDND21
23:40NDND19
23:50NDND18