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

○Information

○Measurement value list ： 2022/05/19(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.7
00:10NDND9.9
00:20NDND11
00:30NDND11
00:40NDND12
00:50NDND14
01:00NDND15
01:10NDND16
01:20NDND19
01:30NDND19
01:40NDND22
01:50NDND21
02:00NDND19
02:10NDND18
02:20NDND14
02:30NDND15
02:40NDND12
02:50NDND10
03:00NDND12
03:10NDND11
03:20NDND13
03:30NDND12
03:40NDND13
03:50NDND16
04:00NDND17
04:10NDND18
04:20NDND18
04:30NDND15
04:40NDND13
04:50NDND13
05:00NDND14
05:10NDND16
05:20NDND13
05:30NDND13
05:40NDND14
05:50NDND13
06:00NDND12
06:10NDND12
06:20NDND14
06:30NDND12
06:40NDND11
06:50NDND12
07:00NDND9.7
07:10NDND8.8
07:20NDND9.3
07:30NDND10
07:40NDNDND
07:50NDNDND
08:00NDND10
08:10NDND14
08:20NDND12
08:30NDND16
08:40NDND20
08:50NDND18
09:00NDND19
09:10NDND14
09:20NDND15
09:30NDND14
09:40NDND10
09:50NDND10
10:00NDND10
10:10NDND12
10:20NDND11
10:30NDND9.0
10:40NDND11
10:50NDND12
11:00NDND13
11:10NDND12
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---
14:00NDNDND
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDND9.2
15:30NDNDND
15:40NDNDND
15:50NDND14
16:00NDND15
16:10NDND16
16:20NDND16
16:30NDND17
16:40NDND18
16:50NDND15
17:00NDND14
17:10NDND14
17:20NDND13
17:30NDND12
17:40NDND12
17:50NDND13
18:00NDND16
18:10NDND12
18:20NDND13
18:30NDND12
18:40NDND9.0
18:50NDND8.9
19:00NDNDND
19:10NDNDND
19:20NDNDND
19:30NDND9.9
19:40NDND13
19:50NDND11
20:00NDND14
20:10NDND14
20:20NDND14
20:30NDND13
20:40NDND12
20:50NDND15
21:00NDND13
21:10NDND13
21:20NDND13
21:30NDND14
21:40NDND13
21:50NDND16
22:00NDND15
22:10NDND15
22:20NDND14
22:30NDND14
22:40NDND16
22:50NDND12
23:00NDND14
23:10NDND14
23:20NDND13
23:30NDND15
23:40NDND14
23:50NDND13