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04月26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 15

00:10 ND ND 16

00:20 ND ND 16

00:30 ND ND 17

00:40 ND ND 17

00:50 ND ND 20

01:00 ND ND 19

01:10 ND ND 20

01:20 ND ND 17

01:30 ND ND 16

01:40 ND ND 19

01:50 ND ND 20

02:00 ND ND 18

02:10 ND ND 15

02:20 ND ND 19

02:30 ND ND 17

02:40 ND ND 14

02:50 ND ND 13

03:00 ND ND 14

03:10 ND ND 17

03:20 ND ND 14

03:30 ND ND 18

03:40 ND ND 18

03:50 ND ND 15

04:00 ND ND 14

04:10 ND ND 14

04:20 ND ND 17

04:30 ND ND 14

04:40 ND ND 14

04:50 ND ND 16

05:00 ND ND 18

05:10 ND ND 18

05:20 ND ND 17

05:30 ND ND 17

05:40 ND ND 17

05:50 ND ND 16

06:00 ND ND 16

06:10 ND ND 14

06:20 ND ND 14

06:30 ND ND 15

06:40 ND ND 14

06:50 ND ND 15

07:00 ND ND 14

07:10 ND ND 15

07:20 ND ND 16

07:30 ND ND 16

07:40 ND ND 17

07:50 ND ND 17

08:00 ND ND 16

08:10 ND ND 17

08:20 ND ND 15

08:30 ND ND 17

08:40 ND ND 17

08:50 ND ND 16

09:00 ND ND 16

09:10 ND ND 16

09:20 ND ND 18

09:30 ND ND 15

09:40 ND ND 14

09:50 ND ND 12

10:00 ND ND 14

10:10 ND ND 14

10:20 ND ND 11

10:30 ND ND 14

10:40 ND ND 14

10:50 ND ND 17

11:00 ND ND 17

11:10 ND ND 16

11:20 ND ND 17

11:30 ND ND 17

11:40 ND ND 19

11:50 ND ND 20

12:00 ND ND 18

12:10 ND ND 21

12:20 ND ND 21

12:30 ND ND 21

12:40 ND ND 21

12:50 ND ND 19

13:00 ND ND 22

13:10 ND ND 18

13:20 ND ND 17

13:30 ND ND 16

13:40 ND ND 13

13:50 ND ND 16

14:00 ND ND 18

14:10 ND ND 20

14:20 ND ND 21

14:30 ND ND 21

14:40 ND ND 23

14:50 ND ND 22

15:00 ND ND 20

15:10 ND ND 22

15:20 ND ND 19

15:30 ND ND 22

15:40 ND ND 21

15:50 ND ND 20

16:00 ND ND 16

16:10 ND ND 16

16:20 ND ND 17

16:30 ND ND 16

16:40 ND ND 16

16:50 ND ND 14

17:00 ND ND 15

17:10 ND ND 14

17:20 ND ND 14

17:30 ND ND 11

17:40 ND ND 11

17:50 ND ND 14

18:00 ND ND 16

18:10 ND ND 14

18:20 ND ND 16

18:30 ND ND 19

18:40 ND ND 20

18:50 ND ND 23

19:00 ND ND 21

19:10 ND ND 22

19:20 ND ND 22

19:30 ND ND 20

19:40 ND ND 20

19:50 ND ND 18

20:00 ND ND 19

20:10 ND ND 20

20:20 ND ND 22

20:30 ND ND 21

20:40 ND ND 19

20:50 ND ND 18

21:00 ND ND 20

21:10 ND ND 17

21:20 ND ND 15

21:30 ND ND 16

21:40 ND ND 17

21:50 ND ND 17

22:00 ND ND 12

22:10 ND ND 14

22:20 ND ND 14

22:30 ND ND 16

22:40 ND ND 16

22:50 ND ND 14

23:00 ND ND 18

23:10 ND ND 18

23:20 ND ND 18

23:30 ND ND 16

23:40 ND ND 15

23:50 ND ND 16

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