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

○Information

○Measurement value list : 2022/12/19(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00NDND50
00:10NDND49
00:20NDND50
00:30NDND52
00:40NDND50
00:50NDND47
01:00NDND44
01:10NDND44
01:20NDND44
01:30NDND42
01:40NDND42
01:50NDND41
02:00NDND42
02:10NDND41
02:20NDND40
02:30NDND42
02:40NDND42
02:50NDND42
03:00NDND42
03:10NDND44
03:20NDND45
03:30NDND43
03:40NDND45
03:50NDND46
04:00NDND46
04:10NDND43
04:20NDND46
04:30NDND44
04:40NDND44
04:50NDND42
05:00NDND42
05:10NDND43
05:20NDND44
05:30NDND47
05:40NDND46
05:50NDND48
06:00NDND48
06:10NDND47
06:20NDND44
06:30NDND40
06:40NDND40
06:50NDND40
07:00NDND39
07:10NDND36
07:20NDND38
07:30NDND39
07:40NDND37
07:50NDND40
08:00NDND41
08:10NDND42
08:20NDND39
08:30NDND40
08:40NDND39
08:50NDND38
09:00NDND36
09:10NDND38
09:20NDND38
09:30NDND38
09:40NDND38
09:50NDND39
10:00NDND40
10:10NDND38
10:20NDND41
10:30NDND41
10:40NDND42
10:50NDND38
11:00NDND37
11:10NDND38
11:20NDND38
11:30NDND38
11:40NDND37
11:50NDND38
12:00NDND42
12:10NDND45
12:20NDND43
12:30NDND43
12:40NDND46
12:50NDND44
13:00NDND41
13:10NDND37
13:20NDND40
13:30NDND39
13:40NDND37
13:50NDND41
14:00NDND39
14:10NDND40
14:20NDND37
14:30NDND37
14:40NDND37
14:50NDND34
15:00NDND35
15:10NDND36
15:20NDND36
15:30NDND39
15:40NDND40
15:50NDND43
16:00NDND43
16:10NDND43
16:20NDND45
16:30NDND45
16:40NDND46
16:50NDND46
17:00NDND46
17:10NDND44
17:20NDND43
17:30NDND41
17:40NDND40
17:50NDND35
18:00NDND36
18:10NDND38
18:20NDND40
18:30NDND40
18:40NDND40
18:50NDND44
19:00NDND41
19:10NDND40
19:20NDND39
19:30NDND37
19:40NDND37
19:50NDND37
20:00NDND35
20:10NDND34
20:20NDND33
20:30NDND34
20:40NDND35
20:50NDND35
21:00NDND38
21:10NDND41
21:20NDND40
21:30NDND38
21:40NDND38
21:50NDND38
22:00NDND39
22:10NDND37
22:20NDND37
22:30NDND39
22:40NDND37
22:50NDND36
23:00NDND36
23:10NDND36
23:20NDND38
23:30NDND39
23:40NDND39
23:50NDND39