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

○Information

○Measurement value list : 2024/07/16(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.9
00:10NDND8.9
00:20NDND8.8
00:30NDNDND
00:40NDND10
00:50NDND10
01:00NDND9.0
01:10NDND10
01:20NDND9.7
01:300.049ND10
01:400.054NDND
01:50NDNDND
02:000.065NDND
02:100.067NDND
02:200.054ND9.6
02:300.053ND10
02:40NDND10
02:50NDND12
03:000.075ND11
03:100.089ND10
03:200.097ND11
03:300.11NDND
03:400.12NDND
03:500.11NDND
04:000.077NDND
04:100.061NDND
04:200.055NDND
04:300.053ND9.5
04:40NDNDND
04:500.054NDND
05:000.062NDND
05:100.060ND10
05:200.064ND12
05:300.056ND13
05:400.050ND13
05:50NDND12
06:00NDND11
06:10NDNDND
06:200.052NDND
06:30NDNDND
06:40NDNDND
06:500.053NDND
07:000.049NDND
07:10NDND10
07:20NDND12
07:30NDND11
07:40NDND12
07:50NDND9.6
08:000.049NDND
08:100.053NDND
08:200.057NDND
08:300.060NDND
08:40NDNDND
08:50NDND10
09:000.051NDND
09:10NDND9.0
09:20NDND9.6
09:30NDND9.3
09:40NDNDND
09:500.051ND9.0
10:00NDND10
10:10NDND10
10:20NDND9.9
10:30NDND10
10:40NDND12
10:50NDND11
11:00NDND10
11:10NDND9.3
11:20NDND10
11:30NDND9.7
11:40NDNDND
11:50NDNDND
12:00NDND10
12:10NDND12
12:20NDND13
12:30NDND15
12:40NDND14
12:50NDND14
13:00NDND13
13:10NDND9.7
13:20NDNDND
13:30NDNDND
13:40NDNDND
13:50NDNDND
14:00NDNDND
14:10NDNDND
14:20NDNDND
14:30NDNDND
14:40NDNDND
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDNDND
15:30NDNDND
15:40NDNDND
15:50NDNDND
16:00NDNDND
16:10NDNDND
16:20NDNDND
16:30NDNDND
16:40NDND10
16:50NDND12
17:00NDND13
17:10NDND9.9
17:20NDND10
17:30NDND9.3
17:40NDNDND
17:50NDNDND
18:00NDNDND
18:10NDNDND
18:20NDNDND
18:30NDNDND
18:40NDND12
18:50NDND15
19:00NDND13
19:10NDND12
19:20NDND10
19:30NDND8.8
19:40NDNDND
19:50NDNDND
20:00NDNDND
20:10NDNDND
20:20NDNDND
20:30NDNDND
20:40NDNDND
20:50NDND9.5
21:00NDNDND
21:10NDND8.9
21:20NDNDND
21:30NDND10
21:40NDND10
21:50NDND9.5
22:00NDNDND
22:10NDND8.9
22:20NDND10
22:30NDND9.2
22:40NDND11
22:50NDND9.9
23:00NDND11
23:10NDND11
23:20NDNDND
23:30NDNDND
23:40NDNDND
23:50NDNDND