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

○Information

○Measurement value list : 2023/06/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDNDND
00:10NDND9.7
00:20NDND10
00:30NDND9.3
00:40NDND10
00:50NDND13
01:00NDND14
01:10NDND14
01:20NDND15
01:30NDND15
01:40NDND12
01:50NDND12
02:00NDND9.7
02:10NDND10
02:20NDND12
02:30NDND12
02:40NDND15
02:50NDND13
03:00NDND19
03:10NDND19
03:20NDND17
03:30NDND16
03:40NDND14
03:50NDND12
04:00NDND10
04:10NDND10
04:20NDND11
04:30NDND11
04:40NDND13
04:50NDND15
05:00NDND11
05:10NDND8.9
05:20NDND9.0
05:30NDND10
05:40NDNDND
05:50NDNDND
06:00NDND9.5
06:10NDND11
06:20NDND11
06:30NDNDND
06:40NDND10
06:50NDND11
07:00NDND9.2
07:10NDND8.9
07:20NDND10
07:30NDND12
07:40NDND10
07:50NDND10
08:00NDND11
08:10NDND11
08:20NDNDND
08:30NDNDND
08:40NDNDND
08:50NDND10
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---
12:00NDND17
12:10NDND16
12:20NDND15
12:30NDND14
12:40NDND12
12:50NDND13
13:00NDND11
13:10NDND13
13:20NDND16
13:30NDND16
13:40NDND14
13:50NDND13
14:00---
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDND11
14:50NDND12
15:00NDND13
15:10NDND13
15:20NDND12
15:30NDND9.7
15:40NDNDND
15:50NDNDND
16:00NDND9.2
16:10NDNDND
16:20NDND10
16:30NDND11
16:40NDND14
16:50NDND13
17:00NDND12
17:10NDND14
17:20NDND16
17:30NDND16
17:40NDND14
17:50NDND19
18:00NDND19
18:10NDND19
18:20NDND16
18:30NDND18
18:40NDND19
18:50NDND16
19:00NDND14
19:10NDND15
19:20NDND16
19:30NDND14
19:40NDND15
19:50NDND14
20:00NDND15
20:10NDND11
20:20NDND9.2
20:30NDND9.2
20:40NDNDND
20:50NDNDND
21:00NDNDND
21:10NDNDND
21:20NDNDND
21:30NDNDND
21:40NDNDND
21:50NDNDND
22:00NDNDND
22:10NDND10
22:20NDND9.7
22:30NDNDND
22:40NDND9.2
22:50NDND9.6
23:00NDND11
23:10NDND12
23:20NDND14
23:30NDND14
23:40NDND15
23:50NDND14