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

○Information

○Measurement value list : 2024/04/20(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
00:30NDNDND
00:40NDNDND
00:50NDNDND
01:00NDNDND
01:10NDNDND
01:20NDNDND
01:30NDND9.2
01:40NDND8.9
01:50NDND11
02:00NDND9.9
02:10NDND8.9
02:20NDNDND
02:300.052NDND
02:40NDNDND
02:50NDNDND
03:00NDNDND
03:10NDNDND
03:20NDNDND
03:30NDND8.8
03:40NDNDND
03:50NDNDND
04:00NDNDND
04:10NDNDND
04:200.049NDND
04:30NDNDND
04:40NDNDND
04:50NDNDND
05:00NDNDND
05:10NDNDND
05:20NDNDND
05:30NDNDND
05:40NDNDND
05:50NDNDND
06:00NDNDND
06:100.062NDND
06:200.055NDND
06:30NDNDND
06:400.057NDND
06:500.057NDND
07:00NDND9.9
07:10NDNDND
07:20NDNDND
07:30NDNDND
07:40NDNDND
07:50NDNDND
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDNDND
08:40NDNDND
08:500.055NDND
09:000.050NDND
09:100.062NDND
09:200.061NDND
09:300.083NDND
09:400.062NDND
09:500.080NDND
10:00NDNDND
10:10NDNDND
10:200.078NDND
10:300.065NDND
10:40NDNDND
10:500.090NDND
11:000.072NDND
11:100.064ND9.3
11:200.061NDND
11:300.060NDND
11:400.074NDND
11:500.064NDND
12:00NDNDND
12:10NDNDND
12:20NDNDND
12:300.051NDND
12:40NDNDND
12:50NDNDND
13:000.056NDND
13:10NDNDND
13:20NDNDND
13:30NDNDND
13:40NDNDND
13:50NDNDND
14:00NDNDND
14:100.053NDND
14:200.059NDND
14:300.059NDND
14:40NDNDND
14:50NDNDND
15:00NDND10
15:100.087ND11
15:20NDND8.9
15:30NDNDND
15:40NDNDND
15:500.050NDND
16:00NDNDND
16:100.062NDND
16:20NDNDND
16:300.076NDND
16:400.060NDND
16:500.098NDND
17:000.090NDND
17:10NDNDND
17:200.098NDND
17:300.10NDND
17:400.11NDND
17:500.12NDND
18:000.070NDND
18:100.12NDND
18:200.067NDND
18:30NDND9.5
18:40NDND10
18:500.081NDND
19:000.081NDND
19:100.070NDND
19:200.067NDND
19:300.082NDND
19:400.060NDND
19:500.062NDND
20:00NDNDND
20:100.096NDND
20:200.11NDND
20:300.10NDND
20:400.12NDND
20:500.11NDND
21:000.099NDND
21:100.076NDND
21:200.070NDND
21:30NDND10
21:40NDND9.3
21:50NDNDND
22:00NDNDND
22:10NDNDND
22:20NDNDND
22:30NDNDND
22:40NDNDND
22:50NDNDND
23:00NDNDND
23:10NDNDND
23:20NDNDND
23:30NDND8.8
23:40NDND8.8
23:50NDNDND