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

○Information

○Measurement value list : 2022/04/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND25
00:10NDND27
00:20NDND28
00:30NDND28
00:40NDND26
00:50NDND26
01:00NDND26
01:10NDND24
01:20NDND21
01:30NDND21
01:40NDND25
01:50NDND22
02:00NDND20
02:10NDND20
02:20NDND21
02:30NDND21
02:40NDND20
02:50NDND23
03:00NDND22
03:10NDND23
03:20NDND24
03:30NDND27
03:40NDND26
03:50NDND24
04:00NDND27
04:10NDND26
04:20NDND26
04:30NDND25
04:40NDND26
04:50NDND26
05:00NDND25
05:10NDND25
05:20NDND23
05:30NDND22
05:40NDND20
05:50NDND21
06:00NDND20
06:10NDND19
06:20NDND21
06:30NDND21
06:40NDND20
06:50NDND20
07:00NDND21
07:10NDND22
07:20NDND22
07:30NDND22
07:40NDND25
07:50NDND25
08:00NDND25
08:10NDND26
08:20NDND26
08:30NDND25
08:40NDND25
08:50NDND26
09:00NDND23
09:10NDND22
09:20NDND22
09:30NDND22
09:40NDND18
09:50NDND18
10:00NDND21
10:10NDND21
10:20NDND21
10:30NDND22
10:40NDND21
10:50NDND22
11:00NDND19
11:10NDND18
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---
13:40NDND25
13:50NDND25
14:00NDND26
14:10NDND25
14:20NDND23
14:30NDND23
14:40NDND22
14:50NDND22
15:00NDND25
15:10NDND25
15:20NDND24
15:30NDND21
15:40NDND21
15:50NDND23
16:00NDND19
16:10NDND20
16:20NDND19
16:30NDND20
16:40NDND21
16:50NDND18
17:00NDND20
17:10NDND21
17:20NDND21
17:30NDND22
17:40NDND20
17:50NDND20
18:00NDND22
18:10NDND24
18:20NDND20
18:30NDND23
18:40NDND23
18:50NDND25
19:00NDND25
19:10NDND23
19:20NDND26
19:30NDND26
19:40NDND25
19:50NDND24
20:00NDND23
20:10NDND22
20:20NDND22
20:30NDND22
20:40NDND23
20:50NDND22
21:00NDND22
21:10NDND24
21:20NDND24
21:30NDND22
21:40NDND22
21:50NDND25
22:00NDND26
22:10NDND26
22:20NDND25
22:30NDND26
22:40NDND26
22:50NDND23
23:00NDND20
23:10NDND21
23:20NDND23
23:30NDND24
23:40NDND25
23:50NDND27