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24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 10

00:10 ND ND 12

00:20 ND ND 13

00:30 ND ND 16

00:40 ND ND 15

00:50 ND ND 15

01:00 ND ND 13

01:10 ND ND 12

01:20 ND ND 11

01:30 ND ND 12

01:40 ND ND 14

01:50 ND ND 15

02:00 ND ND 14

02:10 ND ND 16

02:20 ND ND 17

02:30 ND ND 18

02:40 ND ND 16

02:50 ND ND 18

03:00 ND ND 19

03:10 ND ND 20

03:20 ND ND 19

03:30 ND ND 17

03:40 ND ND 17

03:50 ND ND 15

04:00 ND ND 14

04:10 ND ND 12

04:20 ND ND 13

04:30 ND ND 13

04:40 ND ND 15

04:50 ND ND 17

05:00 ND ND 18

05:10 ND ND 18

05:20 ND ND 17

05:30 ND ND 18

05:40 ND ND 16

05:50 ND ND 14

06:00 ND ND 13

06:10 ND ND 13

06:20 ND ND 14

06:30 ND ND 13

06:40 ND ND 15

06:50 ND ND 16

07:00 ND ND 21

07:10 ND ND 20

07:20 ND ND 21

07:30 ND ND 20

07:40 ND ND 20

07:50 ND ND 19

08:00 ND ND 16

08:10 ND ND 16

08:20 ND ND 14

08:30 ND ND 17

08:40 ND ND 16

08:50 ND ND 14

09:00 ND ND 14

09:10 ND ND 14

09:20 ND ND 14

09:30 ND ND 13

09:40 ND ND 13

09:50 ND ND 15

10:00 ND ND 15

10:10 ND ND 14

10:20 ND ND 16

10:30 ND ND 16

10:40 ND ND 17

10:50 ND ND 16

11:00 ND ND 19

11:10 ND ND 22

11:20 ND ND 22

11:30 ND ND 21

11:40 ND ND 21

11:50 ND ND 22

12:00 ND ND 20

12:10 ND ND 17

12:20 ND ND 18

12:30 ND ND 17

12:40 ND ND 15

12:50 ND ND 14

13:00 ND ND 11

13:10 ND ND 10

13:20 ND ND ND

13:30 ND ND 8.6

13:40 ND ND 8.6

13:50 ND ND ND

14:00 ND ND 9.9

14:10 ND ND 9.6

14:20 ND ND 9.6

14:30 ND ND 10

14:40 ND ND 11

14:50 ND ND 12

15:00 ND ND 14

15:10 ND ND 17

15:20 ND ND 18

15:30 ND ND 18

15:40 ND ND 18

15:50 ND ND 18

16:00 ND ND 18

16:10 ND ND 14

16:20 ND ND 17

16:30 ND ND 20

16:40 ND ND 18

16:50 ND ND 17

17:00 ND ND 16

17:10 ND ND 18

17:20 ND ND 16

17:30 ND ND 14

17:40 ND ND 15

17:50 ND ND 16

18:00 ND ND 14

18:10 ND ND 14

18:20 ND ND 13

18:30 ND ND 12

18:40 ND ND 12

18:50 ND ND 10

19:00 ND ND 12

19:10 ND ND 12

19:20 ND ND 10

19:30 ND ND 12

19:40 ND ND 12

19:50 ND ND 12

20:00 ND ND 11

20:10 ND ND 11

20:20 ND ND 10

20:30 ND ND ND

20:40 ND ND 10

20:50 ND ND 12

21:00 ND ND 13

21:10 ND ND 15

21:20 ND ND 16

21:30 ND ND 18

21:40 ND ND 14

21:50 ND ND 13

22:00 ND ND 12

22:10 ND ND 8.5

22:20 ND ND ND

22:30 ND ND ND

22:40 ND ND 9.3

22:50 ND ND 10

23:00 ND ND 12

23:10 ND ND 13

23:20 ND ND 16

23:30 ND ND 18

23:40 ND ND 16

23:50 ND ND 15

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	10
00:10	ND	ND	12
00:20	ND	ND	13
00:30	ND	ND	16
00:40	ND	ND	15
00:50	ND	ND	15
01:00	ND	ND	13
01:10	ND	ND	12
01:20	ND	ND	11
01:30	ND	ND	12
01:40	ND	ND	14
01:50	ND	ND	15
02:00	ND	ND	14
02:10	ND	ND	16
02:20	ND	ND	17
02:30	ND	ND	18
02:40	ND	ND	16
02:50	ND	ND	18
03:00	ND	ND	19
03:10	ND	ND	20
03:20	ND	ND	19
03:30	ND	ND	17
03:40	ND	ND	17
03:50	ND	ND	15
04:00	ND	ND	14
04:10	ND	ND	12
04:20	ND	ND	13
04:30	ND	ND	13
04:40	ND	ND	15
04:50	ND	ND	17
05:00	ND	ND	18
05:10	ND	ND	18
05:20	ND	ND	17
05:30	ND	ND	18
05:40	ND	ND	16
05:50	ND	ND	14
06:00	ND	ND	13
06:10	ND	ND	13
06:20	ND	ND	14
06:30	ND	ND	13
06:40	ND	ND	15
06:50	ND	ND	16
07:00	ND	ND	21
07:10	ND	ND	20
07:20	ND	ND	21
07:30	ND	ND	20
07:40	ND	ND	20
07:50	ND	ND	19
08:00	ND	ND	16
08:10	ND	ND	16
08:20	ND	ND	14
08:30	ND	ND	17
08:40	ND	ND	16
08:50	ND	ND	14
09:00	ND	ND	14
09:10	ND	ND	14
09:20	ND	ND	14
09:30	ND	ND	13
09:40	ND	ND	13
09:50	ND	ND	15
10:00	ND	ND	15
10:10	ND	ND	14
10:20	ND	ND	16
10:30	ND	ND	16
10:40	ND	ND	17
10:50	ND	ND	16
11:00	ND	ND	19
11:10	ND	ND	22
11:20	ND	ND	22
11:30	ND	ND	21
11:40	ND	ND	21
11:50	ND	ND	22
12:00	ND	ND	20
12:10	ND	ND	17
12:20	ND	ND	18
12:30	ND	ND	17
12:40	ND	ND	15
12:50	ND	ND	14
13:00	ND	ND	11
13:10	ND	ND	10
13:20	ND	ND	ND
13:30	ND	ND	8.6
13:40	ND	ND	8.6
13:50	ND	ND	ND
14:00	ND	ND	9.9
14:10	ND	ND	9.6
14:20	ND	ND	9.6
14:30	ND	ND	10
14:40	ND	ND	11
14:50	ND	ND	12
15:00	ND	ND	14
15:10	ND	ND	17
15:20	ND	ND	18
15:30	ND	ND	18
15:40	ND	ND	18
15:50	ND	ND	18
16:00	ND	ND	18
16:10	ND	ND	14
16:20	ND	ND	17
16:30	ND	ND	20
16:40	ND	ND	18
16:50	ND	ND	17
17:00	ND	ND	16
17:10	ND	ND	18
17:20	ND	ND	16
17:30	ND	ND	14
17:40	ND	ND	15
17:50	ND	ND	16
18:00	ND	ND	14
18:10	ND	ND	14
18:20	ND	ND	13
18:30	ND	ND	12
18:40	ND	ND	12
18:50	ND	ND	10
19:00	ND	ND	12
19:10	ND	ND	12
19:20	ND	ND	10
19:30	ND	ND	12
19:40	ND	ND	12
19:50	ND	ND	12
20:00	ND	ND	11
20:10	ND	ND	11
20:20	ND	ND	10
20:30	ND	ND	ND
20:40	ND	ND	10
20:50	ND	ND	12
21:00	ND	ND	13
21:10	ND	ND	15
21:20	ND	ND	16
21:30	ND	ND	18
21:40	ND	ND	14
21:50	ND	ND	13
22:00	ND	ND	12
22:10	ND	ND	8.5
22:20	ND	ND	ND
22:30	ND	ND	ND
22:40	ND	ND	9.3
22:50	ND	ND	10
23:00	ND	ND	12
23:10	ND	ND	13
23:20	ND	ND	16
23:30	ND	ND	18
23:40	ND	ND	16
23:50	ND	ND	15