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

○Information

○Measurement value list : 2022/04/21(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND30
00:10NDND28
00:20NDND26
00:30NDND24
00:40NDND22
00:50NDND19
01:00NDND17
01:10NDND20
01:20NDND22
01:30NDND23
01:40NDND21
01:50NDND24
02:00NDND24
02:10NDND25
02:20NDND28
02:30NDND28
02:40NDND28
02:50NDND25
03:00NDND24
03:10NDND21
03:20NDND21
03:30NDND19
03:40NDND21
03:50NDND21
04:00NDND24
04:10NDND22
04:20NDND20
04:30NDND21
04:40NDND24
04:50NDND25
05:00NDND23
05:10NDND23
05:20NDND23
05:30NDND21
05:40NDND20
05:50NDND21
06:00NDND23
06:10NDND21
06:20NDND20
06:30NDND24
06:40NDND27
06:50NDND26
07:00NDND25
07:10NDND29
07:20NDND30
07:30NDND29
07:40NDND25
07:50NDND25
08:00NDND26
08:10NDND26
08:20NDND25
08:30NDND27
08:40NDND27
08:50NDND28
09:00NDND25
09:10NDND24
09:20NDND25
09:30NDND24
09:40NDND24
09:50NDND25
10:00NDND27
10:10NDND25
10:20NDND27
10:30NDND27
10:40NDND28
10:50NDND27
11:00---
11:10---
11:20---
11:30---
11:40---
11:50---
12:00---
12:10---
12:20---
12:30---
12:40---
12:50NDND26
13:00NDND24
13:10NDND25
13:20NDND27
13:30NDND26
13:40NDND26
13:50NDND26
14:00NDND26
14:10NDND26
14:20NDND23
14:30NDND21
14:40NDND20
14:50NDND21
15:00NDND25
15:10NDND24
15:20NDND26
15:30NDND29
15:40NDND29
15:50NDND31
16:00NDND30
16:10NDND28
16:20NDND27
16:30NDND27
16:40NDND28
16:50NDND28
17:00NDND26
17:10NDND27
17:20NDND26
17:30NDND29
17:40NDND27
17:50NDND26
18:00NDND23
18:10NDND23
18:20NDND24
18:30NDND20
18:40NDND20
18:50NDND20
19:00NDND20
19:10NDND21
19:20NDND18
19:30NDND18
19:40NDND20
19:50NDND20
20:00NDND20
20:10NDND20
20:20NDND20
20:30NDND22
20:40NDND23
20:50NDND23
21:00NDND26
21:10NDND27
21:20NDND32
21:30NDND30
21:40NDND27
21:50NDND28
22:00NDND30
22:10NDND31
22:20NDND27
22:30NDND27
22:40NDND27
22:50NDND27
23:00NDND24
23:10NDND23
23:20NDND22
23:30NDND23
23:40NDND25
23:50NDND23