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：2026年04月09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 14

00:10 ND ND 12

00:20 ND ND 12

00:30 ND ND 15

00:40 ND ND 15

00:50 ND ND 16

01:00 ND ND 16

01:10 ND ND 20

01:20 ND ND 21

01:30 ND ND 21

01:40 ND ND 20

01:50 ND ND 20

02:00 ND ND 22

02:10 ND ND 19

02:20 ND ND 21

02:30 ND ND 20

02:40 ND ND 20

02:50 ND ND 17

03:00 ND ND 16

03:10 ND ND 15

03:20 ND ND 12

03:30 ND ND 11

03:40 ND ND 13

03:50 ND ND 14

04:00 ND ND 14

04:10 ND ND 16

04:20 ND ND 16

04:30 ND ND 16

04:40 ND ND 16

04:50 ND ND 15

05:00 ND ND 16

05:10 ND ND 16

05:20 ND ND 16

05:30 ND ND 17

05:40 ND ND 15

05:50 ND ND 18

06:00 ND ND 18

06:10 ND ND 16

06:20 ND ND 16

06:30 ND ND 19

06:40 ND ND 20

06:50 ND ND 22

07:00 ND ND 21

07:10 ND ND 23

07:20 ND ND 24

07:30 ND ND 22

07:40 ND ND 21

07:50 ND ND 18

08:00 ND ND 19

08:10 ND ND 18

08:20 ND ND 17

08:30 ND ND 14

08:40 ND ND 13

08:50 ND ND 13

09:00 ND ND 11

09:10 ND ND 12

09:20 ND ND 11

09:30 ND ND 12

09:40 ND ND 14

09:50 ND ND 13

10:00 ND ND 15

10:10 ND ND 15

10:20 ND ND 16

10:30 ND ND 17

10:40 ND ND 17

10:50 ND ND 15

11:00 ND ND 13

11:10 ND ND 13

11:20 ND ND 12

11:30 ND ND 12

11:40 ND ND 13

11:50 ND ND 16

12:00 ND ND 19

12:10 ND ND 17

12:20 ND ND 20

12:30 ND ND 21

12:40 ND ND 20

12:50 ND ND 19

13:00 ND ND 19

13:10 ND ND 22

13:20 ND ND 23

13:30 ND ND 20

13:40 ND ND 19

13:50 ND ND 18

14:00 ND ND 18

14:10 ND ND 17

14:20 ND ND 16

14:30 ND ND 17

14:40 ND ND 18

14:50 ND ND 19

15:00 ND ND 18

15:10 ND ND 16

15:20 ND ND 16

15:30 ND ND 14

15:40 ND ND 13

15:50 ND ND 14

16:00 ND ND 14

16:10 ND ND 14

16:20 ND ND 12

16:30 ND ND 11

16:40 ND ND 11

16:50 ND ND 11

17:00 ND ND 11

17:10 ND ND 12

17:20 ND ND 15

17:30 ND ND 16

17:40 ND ND 16

17:50 ND ND 15

18:00 ND ND 16

18:10 ND ND 14

18:20 ND ND 13

18:30 ND ND 15

18:40 ND ND 15

18:50 ND ND 17

19:00 ND ND 16

19:10 ND ND 18

19:20 ND ND 20

19:30 ND ND 20

19:40 ND ND 21

19:50 ND ND 18

20:00 ND ND 18

20:10 ND ND 18

20:20 ND ND 16

20:30 ND ND 15

20:40 ND ND 13

20:50 ND ND 14

21:00 ND ND 15

21:10 ND ND 16

21:20 ND ND 16

21:30 ND ND 16

21:40 ND ND 18

21:50 ND ND 15

22:00 ND ND 15

22:10 ND ND 13

22:20 ND ND 16

22:30 ND ND 15

22:40 ND ND 16

22:50 ND ND 20

23:00 ND ND 18

23:10 ND ND 20

23:20 ND ND 18

23:30 ND ND 20

23:40 ND ND 16

23:50 ND ND 16

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