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05月13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 18

00:10 ND ND 18

00:20 ND ND 17

00:30 ND ND 20

00:40 ND ND 20

00:50 ND ND 21

01:00 ND ND 20

01:10 ND ND 23

01:20 ND ND 23

01:30 ND ND 25

01:40 ND ND 24

01:50 ND ND 23

02:00 ND ND 24

02:10 ND ND 22

02:20 ND ND 23

02:30 ND ND 20

02:40 ND ND 23

02:50 ND ND 20

03:00 ND ND 21

03:10 ND ND 21

03:20 ND ND 21

03:30 ND ND 23

03:40 ND ND 22

03:50 ND ND 23

04:00 ND ND 22

04:10 ND ND 22

04:20 ND ND 21

04:30 ND ND 22

04:40 ND ND 20

04:50 ND ND 20

05:00 ND ND 20

05:10 ND ND 19

05:20 ND ND 18

05:30 ND ND 15

05:40 ND ND 17

05:50 ND ND 17

06:00 ND ND 15

06:10 ND ND 16

06:20 ND ND 18

06:30 ND ND 18

06:40 ND ND 18

06:50 ND ND 20

07:00 ND ND 24

07:10 ND ND 22

07:20 ND ND 23

07:30 ND ND 24

07:40 ND ND 24

07:50 ND ND 21

08:00 ND ND 18

08:10 ND ND 19

08:20 ND ND 16

08:30 ND ND 15

08:40 ND ND 15

08:50 ND ND 16

09:00 ND ND 19

09:10 ND ND 21

09:20 ND ND 22

09:30 ND ND 21

09:40 ND ND 21

09:50 ND ND 22

10:00 ND ND 19

10:10 ND ND 17

10:20 ND ND 15

10:30 ND ND 16

10:40 ND ND 16

10:50 ND ND 16

11:00 ND ND 18

11:10 ND ND 19

11:20 ND ND 23

11:30 ND ND 23

11:40 ND ND 26

11:50 ND ND 25

12:00 ND ND 27

12:10 ND ND 28

12:20 ND ND 25

12:30 ND ND 25

12:40 ND ND 23

12:50 ND ND 22

13:00 ND ND 19

13:10 ND ND 18

13:20 ND ND 18

13:30 ND ND 16

13:40 ND ND 17

13:50 ND ND 15

14:00 ND ND 16

14:10 ND ND 16

14:20 ND ND 18

14:30 ND ND 21

14:40 ND ND 21

14:50 ND ND 25

15:00 ND ND 25

15:10 ND ND 25

15:20 ND ND 23

15:30 ND ND 23

15:40 ND ND 22

15:50 ND ND 23

16:00 ND ND 20

16:10 ND ND 23

16:20 ND ND 23

16:30 ND ND 21

16:40 ND ND 20

16:50 ND ND 19

17:00 ND ND 21

17:10 ND ND 17

17:20 ND ND 16

17:30 ND ND 15

17:40 ND ND 18

17:50 ND ND 18

18:00 ND ND 18

18:10 ND ND 17

18:20 ND ND 21

18:30 ND ND 23

18:40 ND ND 19

18:50 ND ND 20

19:00 ND ND 21

19:10 ND ND 25

19:20 ND ND 25

19:30 ND ND 22

19:40 ND ND 25

19:50 ND ND 24

20:00 ND ND 27

20:10 ND ND 26

20:20 ND ND 24

20:30 ND ND 26

20:40 ND ND 24

20:50 ND ND 24

21:00 ND ND 22

21:10 ND ND 20

21:20 ND ND 22

21:30 ND ND 22

21:40 ND ND 26

21:50 ND ND 23

22:00 ND ND 22

22:10 ND ND 24

22:20 ND ND 22

22:30 ND ND 20

22:40 ND ND 19

22:50 ND ND 19

23:00 ND ND 18

23:10 ND ND 17

23:20 ND ND 16

23:30 ND ND 20

23:40 ND ND 21

23:50 ND ND 23

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	18
00:10	ND	ND	18
00:20	ND	ND	17
00:30	ND	ND	20
00:40	ND	ND	20
00:50	ND	ND	21
01:00	ND	ND	20
01:10	ND	ND	23
01:20	ND	ND	23
01:30	ND	ND	25
01:40	ND	ND	24
01:50	ND	ND	23
02:00	ND	ND	24
02:10	ND	ND	22
02:20	ND	ND	23
02:30	ND	ND	20
02:40	ND	ND	23
02:50	ND	ND	20
03:00	ND	ND	21
03:10	ND	ND	21
03:20	ND	ND	21
03:30	ND	ND	23
03:40	ND	ND	22
03:50	ND	ND	23
04:00	ND	ND	22
04:10	ND	ND	22
04:20	ND	ND	21
04:30	ND	ND	22
04:40	ND	ND	20
04:50	ND	ND	20
05:00	ND	ND	20
05:10	ND	ND	19
05:20	ND	ND	18
05:30	ND	ND	15
05:40	ND	ND	17
05:50	ND	ND	17
06:00	ND	ND	15
06:10	ND	ND	16
06:20	ND	ND	18
06:30	ND	ND	18
06:40	ND	ND	18
06:50	ND	ND	20
07:00	ND	ND	24
07:10	ND	ND	22
07:20	ND	ND	23
07:30	ND	ND	24
07:40	ND	ND	24
07:50	ND	ND	21
08:00	ND	ND	18
08:10	ND	ND	19
08:20	ND	ND	16
08:30	ND	ND	15
08:40	ND	ND	15
08:50	ND	ND	16
09:00	ND	ND	19
09:10	ND	ND	21
09:20	ND	ND	22
09:30	ND	ND	21
09:40	ND	ND	21
09:50	ND	ND	22
10:00	ND	ND	19
10:10	ND	ND	17
10:20	ND	ND	15
10:30	ND	ND	16
10:40	ND	ND	16
10:50	ND	ND	16
11:00	ND	ND	18
11:10	ND	ND	19
11:20	ND	ND	23
11:30	ND	ND	23
11:40	ND	ND	26
11:50	ND	ND	25
12:00	ND	ND	27
12:10	ND	ND	28
12:20	ND	ND	25
12:30	ND	ND	25
12:40	ND	ND	23
12:50	ND	ND	22
13:00	ND	ND	19
13:10	ND	ND	18
13:20	ND	ND	18
13:30	ND	ND	16
13:40	ND	ND	17
13:50	ND	ND	15
14:00	ND	ND	16
14:10	ND	ND	16
14:20	ND	ND	18
14:30	ND	ND	21
14:40	ND	ND	21
14:50	ND	ND	25
15:00	ND	ND	25
15:10	ND	ND	25
15:20	ND	ND	23
15:30	ND	ND	23
15:40	ND	ND	22
15:50	ND	ND	23
16:00	ND	ND	20
16:10	ND	ND	23
16:20	ND	ND	23
16:30	ND	ND	21
16:40	ND	ND	20
16:50	ND	ND	19
17:00	ND	ND	21
17:10	ND	ND	17
17:20	ND	ND	16
17:30	ND	ND	15
17:40	ND	ND	18
17:50	ND	ND	18
18:00	ND	ND	18
18:10	ND	ND	17
18:20	ND	ND	21
18:30	ND	ND	23
18:40	ND	ND	19
18:50	ND	ND	20
19:00	ND	ND	21
19:10	ND	ND	25
19:20	ND	ND	25
19:30	ND	ND	22
19:40	ND	ND	25
19:50	ND	ND	24
20:00	ND	ND	27
20:10	ND	ND	26
20:20	ND	ND	24
20:30	ND	ND	26
20:40	ND	ND	24
20:50	ND	ND	24
21:00	ND	ND	22
21:10	ND	ND	20
21:20	ND	ND	22
21:30	ND	ND	22
21:40	ND	ND	26
21:50	ND	ND	23
22:00	ND	ND	22
22:10	ND	ND	24
22:20	ND	ND	22
22:30	ND	ND	20
22:40	ND	ND	19
22:50	ND	ND	19
23:00	ND	ND	18
23:10	ND	ND	17
23:20	ND	ND	16
23:30	ND	ND	20
23:40	ND	ND	21
23:50	ND	ND	23