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

○Information

○Measurement value list : 2021/05/22(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND9.3
00:10NDND9.2
00:20NDND9.9
00:30NDND10
00:40NDND10
00:50NDND13
01:00NDND15
01:10NDND15
01:20NDND12
01:30NDND10
01:40NDND11
01:50NDND10
02:00NDNDND
02:10NDNDND
02:20NDND11
02:30NDND11
02:40NDND9.5
02:50NDND11
03:00NDND9.9
03:10NDND13
03:20NDND11
03:30NDND11
03:40NDND13
03:50NDND12
04:00NDND14
04:10NDND12
04:20NDND15
04:30NDND16
04:40NDND18
04:50NDND18
05:00NDND19
05:10NDND20
05:20NDND17
05:30NDND15
05:40NDND13
05:50NDND13
06:00NDND12
06:10NDND9.5
06:20NDND11
06:30NDND14
06:40NDND13
06:50NDND14
07:00NDND14
07:10NDND15
07:20NDND14
07:30NDND12
07:40NDNDND
07:50NDNDND
08:00NDNDND
08:10NDNDND
08:20NDNDND
08:30NDNDND
08:40NDND11
08:50NDND13
09:00NDND12
09:10NDND15
09:20NDND12
09:30NDND11
09:40NDND9.3
09:50NDND9.9
10:000.048ND9.6
10:10NDNDND
10:20NDND9.5
10:30NDND10
10:40NDND12
10:50NDND12
11:00NDND13
11:10NDND12
11:20NDND13
11:30NDND14
11:40NDND11
11:50NDND12
12:00NDND11
12:10NDND13
12:20NDND13
12:30NDND13
12:40NDND18
12:50NDND16
13:00NDND15
13:10NDND14
13:20NDND12
13:30NDND9.6
13:40NDNDND
13:50NDNDND
14:00NDND10
14:10NDND12
14:20NDND12
14:30NDND11
14:40NDND13
14:50NDND12
15:00NDND11
15:10NDND10
15:20NDND11
15:30NDND11
15:40NDNDND
15:50NDND9.9
16:00NDNDND
16:10NDND9.7
16:20NDND9.9
16:30NDND14
16:400.061ND14
16:500.062ND16
17:000.087ND16
17:100.098ND14
17:200.11ND14
17:300.081ND11
17:400.086ND14
17:500.082ND12
18:000.086ND11
18:100.094ND14
18:200.090ND14
18:300.090ND14
18:400.087ND12
18:500.084ND10
19:000.068ND12
19:10NDND11
19:20NDND12
19:30NDND11
19:40NDND9.2
19:50NDND9.7
20:000.077ND10
20:10NDND10
20:20NDND9.5
20:30NDND9.3
20:400.055ND11
20:500.048ND10
21:00NDND10
21:10NDNDND
21:20NDND10
21:30NDND12
21:40NDND13
21:50NDND13
22:00NDND13
22:10NDND14
22:20NDND13
22:30NDND14
22:40NDND12
22:50NDND13
23:00NDND13
23:100.063ND14
23:20NDND14
23:300.061ND13
23:40NDND13
23:50NDND11