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10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 18

00:20 ND ND 18

00:30 ND ND 18

00:40 ND ND 21

00:50 ND ND 18

01:00 ND ND 21

01:10 ND ND 19

01:20 ND ND 20

01:30 ND ND 18

01:40 ND ND 18

01:50 ND ND 21

02:00 ND ND 17

02:10 ND ND 20

02:20 ND ND 18

02:30 ND ND 19

02:40 ND ND 20

02:50 ND ND 21

03:00 ND ND 22

03:10 ND ND 19

03:20 ND ND 18

03:30 ND ND 17

03:40 ND ND 16

03:50 ND ND 13

04:00 ND ND 14

04:10 ND ND 15

04:20 ND ND 18

04:30 ND ND 17

04:40 ND ND 17

04:50 ND ND 20

05:00 ND ND 19

05:10 ND ND 20

05:20 ND ND 20

05:30 ND ND 22

05:40 ND ND 24

05:50 ND ND 20

06:00 ND ND 19

06:10 ND ND 18

06:20 ND ND 15

06:30 ND ND 13

06:40 ND ND 12

06:50 ND ND 15

07:00 ND ND 15

07:10 ND ND 16

07:20 ND ND 18

07:30 ND ND 20

07:40 ND ND 20

07:50 ND ND 20

08:00 ND ND 21

08:10 ND ND 23

08:20 ND ND 24

08:30 ND ND 21

08:40 ND ND 19

08:50 ND ND 19

09:00 ND ND 20

09:10 ND ND 18

09:20 ND ND 19

09:30 ND ND 19

09:40 ND ND 21

09:50 ND ND 20

10:00 ND ND 19

10:10 ND ND 18

10:20 ND ND 17

10:30 ND ND 17

10:40 ND ND 16

10:50 ND ND 14

11:00 ND ND 14

11:10 ND ND 16

11:20 ND ND 12

11:30 ND ND 14

11:40 ND ND 16

11:50 ND ND 18

12:00 ND ND 19

12:10 ND ND 19

12:20 ND ND 23

12:30 ND ND 23

12:40 ND ND 24

12:50 ND ND 24

13:00 ND ND 22

13:10 ND ND 22

13:20 ND ND 20

13:30 ND ND 19

13:40 ND ND 17

13:50 ND ND 15

14:00 ND ND 16

14:10 ND ND 15

14:20 ND ND 16

14:30 ND ND 18

14:40 ND ND 20

14:50 ND ND 23

15:00 ND ND 23

15:10 ND ND 24

15:20 ND ND 25

15:30 ND ND 21

15:40 ND ND 20

15:50 ND ND 17

16:00 ND ND 17

16:10 ND ND 16

16:20 ND ND 15

16:30 ND ND 16

16:40 ND ND 15

16:50 ND ND 18

17:00 ND ND 17

17:10 ND ND 18

17:20 ND ND 19

17:30 ND ND 20

17:40 ND ND 22

17:50 ND ND 21

18:00 ND ND 22

18:10 ND ND 23

18:20 ND ND 21

18:30 ND ND 21

18:40 ND ND 20

18:50 ND ND 18

19:00 ND ND 18

19:10 ND ND 17

19:20 ND ND 19

19:30 ND ND 15

19:40 ND ND 17

19:50 ND ND 18

20:00 ND ND 16

20:10 ND ND 18

20:20 ND ND 19

20:30 ND ND 21

20:40 ND ND 20

20:50 ND ND 23

21:00 ND ND 22

21:10 ND ND 19

21:20 ND ND 15

21:30 ND ND 16

21:40 ND ND 17

21:50 ND ND 12

22:00 ND ND 16

22:10 ND ND 17

22:20 ND ND 21

22:30 ND ND 20

22:40 ND ND 20

22:50 ND ND 23

23:00 ND ND 20

23:10 ND ND 21

23:20 ND ND 17

23:30 ND ND 18

23:40 ND ND 18

23:50 ND ND 18

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