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）

○お知らせ

○計測値一覧：2026年10月27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 17

00:10 ND ND 15

00:20 ND ND 16

00:30 ND ND 18

00:40 ND ND 20

00:50 ND ND 18

01:00 ND ND 19

01:10 ND ND 22

01:20 ND ND 20

01:30 ND ND 19

01:40 ND ND 16

01:50 ND ND 18

02:00 ND ND 16

02:10 ND ND 12

02:20 ND ND 11

02:30 ND ND 11

02:40 ND ND 12

02:50 ND ND 13

03:00 ND ND 13

03:10 ND ND 15

03:20 ND ND 18

03:30 ND ND 20

03:40 ND ND 22

03:50 ND ND 20

04:00 ND ND 21

04:10 ND ND 22

04:20 ND ND 18

04:30 ND ND 16

04:40 ND ND 15

04:50 ND ND 15

05:00 ND ND 15

05:10 ND ND 16

05:20 ND ND 18

05:30 ND ND 19

05:40 ND ND 17

05:50 ND ND 16

06:00 ND ND 16

06:10 ND ND 15

06:20 ND ND 16

06:30 ND ND 14

06:40 ND ND 15

06:50 ND ND 16

07:00 ND ND 18

07:10 ND ND 17

07:20 ND ND 16

07:30 ND ND 17

07:40 ND ND 18

07:50 ND ND 19

08:00 ND ND 18

08:10 ND ND 16

08:20 ND ND 17

08:30 ND ND 18

08:40 ND ND 18

08:50 ND ND 17

09:00 ND ND 16

09:10 ND ND 16

09:20 ND ND 17

09:30 ND ND 17

09:40 ND ND 18

09:50 ND ND 18

10:00 ND ND 18

10:10 ND ND 19

10:20 ND ND 17

10:30 ND ND 18

10:40 ND ND 19

10:50 ND ND 17

11:00 ND ND 19

11:10 ND ND 20

11:20 ND ND 23

11:30 ND ND 23

11:40 ND ND 23

11:50 ND ND 25

12:00 ND ND 25

12:10 ND ND 23

12:20 ND ND 26

12:30 ND ND 23

12:40 ND ND 23

12:50 ND ND 25

13:00 ND ND 25

13:10 ND ND 25

13:20 ND ND 20

13:30 ND ND 20

13:40 ND ND 18

13:50 ND ND 16

14:00 ND ND 15

14:10 ND ND 14

14:20 ND ND 18

14:30 ND ND 16

14:40 ND ND 15

14:50 ND ND 19

15:00 ND ND 19

15:10 ND ND 23

15:20 ND ND 21

15:30 ND ND 22

15:40 ND ND 24

15:50 ND ND 19

16:00 ND ND 18

16:10 ND ND 17

16:20 ND ND 17

16:30 ND ND 17

16:40 ND ND 18

16:50 ND ND 22

17:00 ND ND 22

17:10 ND ND 22

17:20 ND ND 23

17:30 ND ND 23

17:40 ND ND 22

17:50 ND ND 21

18:00 ND ND 20

18:10 ND ND 22

18:20 ND ND 21

18:30 ND ND 22

18:40 ND ND 23

18:50 ND ND 23

19:00 ND ND 25

19:10 ND ND 24

19:20 ND ND 25

19:30 ND ND 25

19:40 ND ND 23

19:50 ND ND 22

20:00 ND ND 20

20:10 ND ND 21

20:20 ND ND 18

20:30 ND ND 16

20:40 ND ND 19

20:50 ND ND 21

21:00 ND ND 21

21:10 ND ND 19

21:20 ND ND 18

21:30 ND ND 21

21:40 ND ND 19

21:50 ND ND 20

22:00 ND ND 18

22:10 ND ND 19

22:20 ND ND 21

22:30 ND ND 18

22:40 ND ND 21

22:50 ND ND 20

23:00 ND ND 22

23:10 ND ND 21

23:20 ND ND 21

23:30 ND ND 22

23:40 ND ND 21

23:50 ND ND 22

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