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

○Information

○Measurement value list : 2021/03/31(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND-
00:10NDND-
00:20NDND-
00:30NDND-
00:40NDND-
00:50NDND-
01:00NDND-
01:10NDND-
01:20NDND-
01:30NDND-
01:40NDND-
01:50NDND-
02:00NDND-
02:10NDND-
02:20NDND-
02:30NDND-
02:40NDND-
02:50NDND-
03:00NDND-
03:10NDND-
03:20NDND-
03:30NDND-
03:40NDND-
03:50NDND-
04:00NDND-
04:10NDND-
04:20NDND-
04:30NDND-
04:40NDND-
04:50NDND-
05:00NDND-
05:10NDND-
05:20NDND-
05:30NDND-
05:40NDND-
05:50NDND-
06:00NDND-
06:10NDND-
06:20NDND-
06:30NDND-
06:40NDND-
06:50NDND-
07:00NDND-
07:10NDND-
07:20NDND-
07:30NDND-
07:40NDND-
07:50NDND-
08:00NDND-
08:10NDND-
08:20NDND-
08:30NDND-
08:40NDND-
08:50NDND-
09:00NDND-
09:10NDND-
09:20NDND-
09:30NDND-
09:40NDND-
09:50NDND-
10:00NDND-
10:10NDND-
10:20NDND-
10:30NDND-
10:40NDND-
10:50NDND-
11:00---
11:10---
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---
13:40NDND15
13:50NDND17
14:00NDND13
14:10NDND13
14:20NDND14
14:30NDND16
14:40NDND13
14:50NDND11
15:00NDND13
15:10NDND12
15:20NDND12
15:30NDND11
15:40NDND13
15:50NDND16
16:00NDND13
16:10NDND15
16:20NDND14
16:30NDND12
16:40NDND12
16:50NDNDND
17:00NDNDND
17:10NDNDND
17:20NDND11
17:30NDND13
17:40NDND11
17:50NDND13
18:00NDND17
18:10NDND14
18:20NDND12
18:30NDNDND
18:40NDND10
18:50NDND10
19:00NDND9.0
19:10NDND10
19:20NDND10
19:30NDND11
19:40NDNDND
19:50NDND8.8
20:00NDNDND
20:10NDND10
20:20NDND9.6
20:30NDND12
20:40NDND11
20:50NDND13
21:00NDND13
21:10NDND10
21:20NDND12
21:30NDND10
21:40NDND13
21:50NDND13
22:00NDND13
22:10NDND12
22:20NDND11
22:30NDND9.5
22:40NDNDND
22:50NDNDND
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDNDND
23:40NDNDND
23:50NDNDND