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

○Information

○Measurement value list ： 2024/07/18(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND17
00:10NDND16
00:20NDND14
00:30NDND13
00:40NDND11
00:50NDND9.0
01:00NDND11
01:10NDND10
01:20NDND10
01:30NDND11
01:40NDND12
01:50NDND12
02:00NDND9.3
02:10NDND9.6
02:20NDND13
02:300.055ND14
02:40NDND12
02:50NDND13
03:000.079ND11
03:100.075NDND
03:20NDNDND
03:30NDNDND
03:40NDNDND
03:50NDNDND
04:00NDNDND
04:10NDNDND
04:20NDNDND
04:30NDND9.7
04:40NDND12
04:500.081ND15
05:00NDND16
05:100.056ND16
05:20NDND14
05:300.052ND15
05:40NDND12
05:50NDND11
06:00NDNDND
06:100.075NDND
06:200.090ND9.0
06:30NDNDND
06:40NDNDND
06:50NDNDND
07:00NDND9.3
07:10NDNDND
07:20NDNDND
07:30NDNDND
07:40NDNDND
07:50NDNDND
08:000.057ND9.3
08:100.057ND12
08:200.060ND13
08:300.082ND9.0
08:400.085ND13
08:500.084ND14
09:000.061ND12
09:100.091ND12
09:200.093ND12
09:300.082ND12
09:400.084ND12
09:50NDND11
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---
12:20---
12:30---
12:40---
12:50---
13:00---
13:10---
13:20---
13:30---
13:40---
13:50---
14:00---
14:10---
14:20---
14:30---
14:40---
14:50---
15:00---
15:10---
15:20---
15:30---
15:40---
15:50---
16:00---
16:10---
16:20---
16:30---
16:40---
16:50NDND11
17:00NDNDND
17:10NDND11
17:20NDNDND
17:30NDNDND
17:40NDNDND
17:50NDNDND
18:00NDND9.2
18:10NDNDND
18:20NDNDND
18:30NDND8.8
18:40NDNDND
18:50NDNDND
19:00NDND11
19:10NDNDND
19:20NDND11
19:30NDND9.6
19:40NDNDND
19:50NDND9.7
20:00NDNDND
20:10NDND8.9
20:20NDNDND
20:30NDND9.3
20:40NDND11
20:50NDNDND
21:00NDNDND
21:10NDND10
21:20NDND11
21:30NDND14
21:40NDND15
21:50NDND15
22:00NDND15
22:10NDND14
22:20NDND14
22:30NDND9.7
22:40NDND10
22:50NDND9.7
23:00NDND12
23:10NDND12
23:20NDND11
23:30NDND11
23:40NDND8.9
23:50NDND10