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

○Information

○Measurement value list ： 2024/09/27(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND8.8
00:10NDND9.5
00:20NDNDND
00:30NDND10
00:40NDND11
00:50NDND12
01:00NDND12
01:10NDND12
01:20NDND15
01:30NDND13
01:40NDND13
01:50NDND12
02:00NDND12
02:10NDND11
02:20NDND10
02:30NDND12
02:40NDND13
02:50NDND14
03:00NDND13
03:10NDND13
03:20NDND13
03:30NDND13
03:40NDND14
03:50NDND13
04:00NDND13
04:10NDND13
04:20NDND13
04:30NDND13
04:40NDND12
04:50NDND10
05:00NDND12
05:10NDND13
05:20NDND13
05:30NDND13
05:40NDND12
05:50NDND12
06:00NDND12
06:10NDND9.6
06:20NDNDND
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDNDND
07:10NDNDND
07:20NDND12
07:30NDND14
07:40NDND14
07:50NDND13
08:00NDND12
08:10NDND11
08:20NDND11
08:30NDND9.6
08:40---
08:50---
09:00---
09:10---
09:20---
09:30---
09:40---
09:50---
10:00---
10:10---
10:20---
10:30---
10:40---
10:50---
11:00---
11:10---
11:20---
11:30---
11:40---
11:50---
12:00---
12:10---
12:20NDNDND
12:30NDND10
12:40NDND11
12:50NDND12
13:00NDND11
13:10NDND12
13:20NDND11
13:30NDNDND
13:40NDND8.8
13:50NDNDND
14:00NDNDND
14:10NDNDND
14:20NDND12
14:30NDND15
14:40NDND17
14:50NDND16
15:00NDND18
15:10NDND16
15:20NDND13
15:30NDND10
15:40NDNDND
15:50NDND9.9
16:00NDND9.6
16:10NDND11
16:20NDND12
16:30NDND13
16:40NDND14
16:50NDND15
17:00NDND14
17:10NDND15
17:20NDND13
17:30NDND13
17:40NDND12
17:50NDND9.0
18:00NDND11
18:10NDND9.9
18:20NDND9.3
18:30NDND10
18:40NDNDND
18:50NDND10
19:00NDNDND
19:10NDND9.2
19:20NDND12
19:30NDND12
19:40NDND14
19:50NDND12
20:00NDND11
20:10NDND12
20:20NDND10
20:30NDND9.7
20:40NDNDND
20:50NDND8.8
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDND9.7
21:40NDND12
21:50NDND9.6
22:00NDND12
22:10NDND9.5
22:20NDND10
22:30NDND8.8
22:40NDNDND
22:50NDND8.9
23:00NDNDND
23:10NDND9.6
23:20NDND13
23:30NDND13
23:40NDND14
23:50NDND16