TEPCO : 福島第一原子力発電所における海水放射線モニタ計測結果（過去分）

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福島第一原子力発電所における海水放射線モニタ計測結果（過去分）

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○計測値一覧：2025年12月15日(CSVデータダウンロード)

放射能濃度単位：Bq/L

※検出限界値未満の場合はNDと表示されます。

計測時刻 Cs137 Cs134 全β

00:00 ND ND 20

00:10 ND ND 21

00:20 ND ND 23

00:30 ND ND 25

00:40 ND ND 24

00:50 ND ND 25

01:00 ND ND 26

01:10 ND ND 24

01:20 ND ND 20

01:30 ND ND 20

01:40 ND ND 20

01:50 ND ND 19

02:00 ND ND 19

02:10 ND ND 20

02:20 ND ND 21

02:30 ND ND 22

02:40 ND ND 25

02:50 ND ND 24

03:00 ND ND 23

03:10 ND ND 24

03:20 ND ND 22

03:30 ND ND 20

03:40 ND ND 19

03:50 ND ND 21

04:00 ND ND 22

04:10 ND ND 21

04:20 ND ND 21

04:30 ND ND 23

04:40 ND ND 24

04:50 ND ND 25

05:00 ND ND 23

05:10 ND ND 23

05:20 ND ND 21

05:30 ND ND 19

05:40 ND ND 18

05:50 ND ND 17

06:00 ND ND 19

06:10 ND ND 20

06:20 ND ND 22

06:30 ND ND 23

06:40 ND ND 23

06:50 ND ND 22

07:00 ND ND 21

07:10 ND ND 21

07:20 ND ND 20

07:30 ND ND 22

07:40 ND ND 20

07:50 ND ND 22

08:00 ND ND 23

08:10 ND ND 20

08:20 ND ND 21

08:30 ND ND 20

08:40 ND ND 21

08:50 ND ND 22

09:00 ND ND 22

09:10 ND ND 23

09:20 ND ND 24

09:30 ND ND 20

09:40 ND ND 21

09:50 ND ND 18

10:00 ND ND 20

10:10 ND ND 20

10:20 ND ND 20

10:30 ND ND 25

10:40 ND ND 22

10:50 ND ND 21

11:00 ND ND 21

11:10 ND ND 21

11:20 ND ND 20

11:30 ND ND 20

11:40 ND ND 22

11:50 ND ND 24

12:00 ND ND 23

12:10 ND ND 24

12:20 ND ND 25

12:30 ND ND 23

12:40 ND ND 24

12:50 ND ND 22

13:00 ND ND 24

13:10 ND ND 23

13:20 ND ND 22

13:30 ND ND 24

13:40 ND ND 24

13:50 ND ND 24

14:00 ND ND 22

14:10 ND ND 20

14:20 ND ND 22

14:30 ND ND 21

14:40 ND ND 23

14:50 ND ND 24

15:00 ND ND 24

15:10 ND ND 27

15:20 ND ND 24

15:30 ND ND 23

15:40 ND ND 19

15:50 ND ND 18

16:00 ND ND 18

16:10 ND ND 16

16:20 ND ND 16

16:30 ND ND 15

16:40 ND ND 17

16:50 ND ND 18

17:00 ND ND 20

17:10 ND ND 17

17:20 ND ND 17

17:30 ND ND 17

17:40 ND ND 17

17:50 ND ND 15

18:00 ND ND 14

18:10 ND ND 18

18:20 ND ND 18

18:30 ND ND 19

18:40 ND ND 20

18:50 ND ND 21

19:00 ND ND 20

19:10 ND ND 18

19:20 ND ND 19

19:30 ND ND 19

19:40 ND ND 17

19:50 ND ND 18

20:00 ND ND 20

20:10 ND ND 20

20:20 ND ND 21

20:30 ND ND 21

20:40 ND ND 20

20:50 ND ND 19

21:00 ND ND 19

21:10 ND ND 20

21:20 ND ND 17

21:30 ND ND 19

21:40 ND ND 18

21:50 ND ND 19

22:00 ND ND 17

22:10 ND ND 15

22:20 ND ND 14

22:30 ND ND 12

22:40 ND ND 12

22:50 ND ND 9.0

23:00 ND ND 10

23:10 ND ND 11

23:20 ND ND 14

23:30 ND ND 16

23:40 ND ND 17

23:50 ND ND 17

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	20
00:10	ND	ND	21
00:20	ND	ND	23
00:30	ND	ND	25
00:40	ND	ND	24
00:50	ND	ND	25
01:00	ND	ND	26
01:10	ND	ND	24
01:20	ND	ND	20
01:30	ND	ND	20
01:40	ND	ND	20
01:50	ND	ND	19
02:00	ND	ND	19
02:10	ND	ND	20
02:20	ND	ND	21
02:30	ND	ND	22
02:40	ND	ND	25
02:50	ND	ND	24
03:00	ND	ND	23
03:10	ND	ND	24
03:20	ND	ND	22
03:30	ND	ND	20
03:40	ND	ND	19
03:50	ND	ND	21
04:00	ND	ND	22
04:10	ND	ND	21
04:20	ND	ND	21
04:30	ND	ND	23
04:40	ND	ND	24
04:50	ND	ND	25
05:00	ND	ND	23
05:10	ND	ND	23
05:20	ND	ND	21
05:30	ND	ND	19
05:40	ND	ND	18
05:50	ND	ND	17
06:00	ND	ND	19
06:10	ND	ND	20
06:20	ND	ND	22
06:30	ND	ND	23
06:40	ND	ND	23
06:50	ND	ND	22
07:00	ND	ND	21
07:10	ND	ND	21
07:20	ND	ND	20
07:30	ND	ND	22
07:40	ND	ND	20
07:50	ND	ND	22
08:00	ND	ND	23
08:10	ND	ND	20
08:20	ND	ND	21
08:30	ND	ND	20
08:40	ND	ND	21
08:50	ND	ND	22
09:00	ND	ND	22
09:10	ND	ND	23
09:20	ND	ND	24
09:30	ND	ND	20
09:40	ND	ND	21
09:50	ND	ND	18
10:00	ND	ND	20
10:10	ND	ND	20
10:20	ND	ND	20
10:30	ND	ND	25
10:40	ND	ND	22
10:50	ND	ND	21
11:00	ND	ND	21
11:10	ND	ND	21
11:20	ND	ND	20
11:30	ND	ND	20
11:40	ND	ND	22
11:50	ND	ND	24
12:00	ND	ND	23
12:10	ND	ND	24
12:20	ND	ND	25
12:30	ND	ND	23
12:40	ND	ND	24
12:50	ND	ND	22
13:00	ND	ND	24
13:10	ND	ND	23
13:20	ND	ND	22
13:30	ND	ND	24
13:40	ND	ND	24
13:50	ND	ND	24
14:00	ND	ND	22
14:10	ND	ND	20
14:20	ND	ND	22
14:30	ND	ND	21
14:40	ND	ND	23
14:50	ND	ND	24
15:00	ND	ND	24
15:10	ND	ND	27
15:20	ND	ND	24
15:30	ND	ND	23
15:40	ND	ND	19
15:50	ND	ND	18
16:00	ND	ND	18
16:10	ND	ND	16
16:20	ND	ND	16
16:30	ND	ND	15
16:40	ND	ND	17
16:50	ND	ND	18
17:00	ND	ND	20
17:10	ND	ND	17
17:20	ND	ND	17
17:30	ND	ND	17
17:40	ND	ND	17
17:50	ND	ND	15
18:00	ND	ND	14
18:10	ND	ND	18
18:20	ND	ND	18
18:30	ND	ND	19
18:40	ND	ND	20
18:50	ND	ND	21
19:00	ND	ND	20
19:10	ND	ND	18
19:20	ND	ND	19
19:30	ND	ND	19
19:40	ND	ND	17
19:50	ND	ND	18
20:00	ND	ND	20
20:10	ND	ND	20
20:20	ND	ND	21
20:30	ND	ND	21
20:40	ND	ND	20
20:50	ND	ND	19
21:00	ND	ND	19
21:10	ND	ND	20
21:20	ND	ND	17
21:30	ND	ND	19
21:40	ND	ND	18
21:50	ND	ND	19
22:00	ND	ND	17
22:10	ND	ND	15
22:20	ND	ND	14
22:30	ND	ND	12
22:40	ND	ND	12
22:50	ND	ND	9.0
23:00	ND	ND	10
23:10	ND	ND	11
23:20	ND	ND	14
23:30	ND	ND	16
23:40	ND	ND	17
23:50	ND	ND	17