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

○Information

○Measurement value list : 2023/07/20(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

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