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

○Information

○Measurement value list : 2021/01/11(CSV Download)

Radioactivity Concentration Unit:Bq/L

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

TimeCs137Cs134Totalβ
00:00ND0.028-
00:10NDND-
00:20NDND-
00:30NDND-
00:40NDND-
00:50NDND-
01:00ND0.025-
01:10ND0.036-
01:20ND0.041-
01:30ND0.043-
01:40ND0.039-
01:50ND0.044-
02:00ND0.045-
02:10ND0.040-
02:20ND0.041-
02:30ND0.042-
02:40ND0.045-
02:50ND0.044-
03:00ND0.045-
03:10ND0.039-
03:20ND0.037-
03:30ND0.043-
03:40ND0.033-
03:50ND0.029-
04:00ND0.033-
04:10ND0.035-
04:20ND0.041-
04:30ND0.041-
04:40ND0.041-
04:50ND0.041-
05:00ND0.041-
05:10ND0.045-
05:20ND0.045-
05:30ND0.046-
05:40ND0.051-
05:50ND0.051-
06:00ND0.055-
06:10ND0.054-
06:20ND0.049-
06:30ND0.044-
06:40ND0.045-
06:50ND0.051-
07:00ND0.048-
07:10ND0.043-
07:20ND0.048-
07:30ND0.056-
07:40ND0.061-
07:50ND0.057-
08:00ND0.057-
08:10ND0.053-
08:20ND0.049-
08:30ND0.046-
08:40ND0.049-
08:50ND0.045-
09:00ND0.046-
09:10ND0.046-
09:20ND0.045-
09:30ND0.045-
09:40ND0.044-
09:50ND0.050-
10:00ND0.045-
10:10ND0.045-
10:20ND0.040-
10:30ND0.032-
10:40ND0.042-
10:50ND0.036-
11:00ND0.035-
11:10ND0.040-
11:20ND0.041-
11:30ND0.044-
11:40ND0.033-
11:50ND0.038-
12:00ND0.039-
12:10ND0.034-
12:20ND0.029-
12:30ND0.026-
12:40NDND-
12:50NDND-
13:00NDND-
13:10NDND-
13:20ND0.034-
13:30ND0.044-
13:40ND0.050-
13:50ND0.051-
14:00ND0.045-
14:10ND0.050-
14:20ND0.046-
14:30ND0.038-
14:40ND0.036-
14:50ND0.035-
15:00ND0.041-
15:10ND0.032-
15:20ND0.035-
15:30ND0.040-
15:40ND0.041-
15:50ND0.046-
16:00ND0.036-
16:10ND0.049-
16:20ND0.045-
16:30ND0.041-
16:40ND0.035-
16:50ND0.028-
17:00ND0.029-
17:10NDND-
17:20ND0.026-
17:30ND0.027-
17:40ND0.034-
17:50ND0.036-
18:00ND0.036-
18:10ND0.041-
18:20ND0.037-
18:30ND0.038-
18:40ND0.034-
18:50ND0.039-
19:00ND0.045-
19:10ND0.040-
19:20ND0.041-
19:30ND0.039-
19:40ND0.039-
19:50ND0.029-
20:00ND0.034-
20:10ND0.039-
20:20ND0.040-
20:30ND0.040-
20:40ND0.049-
20:50ND0.052-
21:00ND0.050-
21:10ND0.046-
21:20ND0.061-
21:30ND0.060-
21:40ND0.049-
21:50ND0.049-
22:00ND0.050-
22:10ND0.048-
22:20ND0.039-
22:30ND0.040-
22:40ND0.046-
22:50ND0.046-
23:00ND0.041-
23:10ND0.035-
23:20ND0.039-
23:30ND0.034-
23:40ND0.037-
23:50ND0.037-