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

○Information

○Measurement value list ： 2022/05/09(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND20
00:10NDND18
00:20NDND18
00:30NDND16
00:40NDND21
00:50NDND20
01:00NDND20
01:10NDND21
01:20NDND20
01:30NDND22
01:40NDND20
01:50NDND20
02:00NDND21
02:10NDND23
02:20NDND22
02:30NDND22
02:40NDND22
02:50NDND24
03:00NDND21
03:10NDND20
03:20NDND20
03:30NDND19
03:40NDND18
03:50NDND20
04:00NDND20
04:10NDND19
04:20NDND22
04:30NDND20
04:40NDND22
04:50NDND23
05:00NDND25
05:10NDND26
05:20NDND24
05:30NDND25
05:40NDND25
05:50NDND21
06:00NDND20
06:10NDND19
06:20NDND18
06:30NDND20
06:40NDND20
06:50NDND18
07:00NDND18
07:10NDND21
07:20NDND22
07:30NDND20
07:40NDND21
07:50NDND22
08:00NDND24
08:10NDND22
08:20NDND21
08:30NDND24
08:40NDND22
08:50NDND21
09:00NDND19
09:10NDND19
09:20NDND20
09:30NDND17
09:40NDND19
09:50NDND19
10:00NDND20
10:10NDND20
10:20NDND17
10:30NDND17
10:40NDND17
10:50NDND18
11:00NDND18
11:10NDND17
11:20NDND20
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---
13:50NDND13
14:00NDND12
14:10NDNDND
14:20NDNDND
14:30NDND10
14:40NDND10
14:50NDND8.9
15:00NDND9.0
15:10NDND11
15:20NDND12
15:30NDND8.8
15:40NDNDND
15:50NDNDND
16:00NDNDND
16:10NDNDND
16:20NDNDND
16:30NDNDND
16:40NDNDND
16:50NDND10
17:00NDND13
17:10NDND16
17:20NDND17
17:30NDND12
17:40NDND13
17:50NDND9.7
18:00NDND9.3
18:10NDND11
18:20NDND11
18:30NDND15
18:40NDND14
18:50NDND16
19:00NDND17
19:10NDND16
19:20NDND15
19:30NDND14
19:40NDND14
19:50NDND15
20:00NDND15
20:10NDND11
20:20NDND10
20:30NDND13
20:40NDND14
20:50NDND12
21:00NDND10
21:10NDND12
21:20NDND13
21:30NDND12
21:40NDNDND
21:50NDND8.8
22:00NDNDND
22:10NDND9.7
22:20NDND9.6
22:30NDND9.3
22:40NDND12
22:50NDND13
23:00NDND12
23:10NDND11
23:20NDND10
23:30NDND12
23:40NDND12
23:50NDNDND