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03月19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 23

00:10 ND ND 24

00:20 ND ND 19

00:30 ND ND 19

00:40 ND ND 18

00:50 ND ND 20

01:00 ND ND 22

01:10 ND ND 20

01:20 ND ND 19

01:30 ND ND 18

01:40 ND ND 17

01:50 ND ND 16

02:00 ND ND 16

02:10 ND ND 17

02:20 ND ND 20

02:30 ND ND 22

02:40 ND ND 22

02:50 ND ND 23

03:00 ND ND 22

03:10 ND ND 23

03:20 ND ND 23

03:30 ND ND 22

03:40 ND ND 22

03:50 ND ND 22

04:00 ND ND 22

04:10 ND ND 22

04:20 ND ND 22

04:30 ND ND 22

04:40 ND ND 22

04:50 ND ND 21

05:00 ND ND 20

05:10 ND ND 21

05:20 ND ND 21

05:30 ND ND 22

05:40 ND ND 22

05:50 ND ND 24

06:00 ND ND 22

06:10 ND ND 19

06:20 ND ND 19

06:30 ND ND 18

06:40 ND ND 19

06:50 ND ND 18

07:00 ND ND 22

07:10 ND ND 24

07:20 ND ND 24

07:30 ND ND 24

07:40 ND ND 22

07:50 ND ND 23

08:00 ND ND 20

08:10 ND ND 18

08:20 ND ND 18

08:30 ND ND 20

08:40 ND ND 18

08:50 ND ND 20

09:00 ND ND 20

09:10 ND ND 21

09:20 ND ND 20

09:30 ND ND 19

09:40 ND ND 18

09:50 ND ND 16

10:00 ND ND 17

10:10 ND ND 18

10:20 ND ND 20

10:30 ND ND 21

10:40 ND ND 23

10:50 ND ND 24

11:00 ND ND 23

11:10 ND ND 23

11:20 ND ND 20

11:30 ND ND 20

11:40 ND ND 21

11:50 ND ND 20

12:00 ND ND 22

12:10 ND ND 21

12:20 ND ND 23

12:30 ND ND 23

12:40 ND ND 21

12:50 ND ND 22

13:00 ND ND 22

13:10 ND ND 21

13:20 ND ND 22

13:30 ND ND 21

13:40 ND ND 21

13:50 ND ND 21

14:00 ND ND 22

14:10 ND ND 25

14:20 ND ND 24

14:30 ND ND 25

14:40 ND ND 23

14:50 ND ND 23

15:00 ND ND 20

15:10 ND ND 19

15:20 ND ND 19

15:30 ND ND 22

15:40 ND ND 23

15:50 ND ND 23

16:00 ND ND 23

16:10 ND ND 21

16:20 ND ND 22

16:30 ND ND 21

16:40 ND ND 22

16:50 ND ND 21

17:00 ND ND 22

17:10 ND ND 26

17:20 ND ND 26

17:30 ND ND 24

17:40 ND ND 25

17:50 ND ND 26

18:00 ND ND 25

18:10 ND ND 22

18:20 ND ND 21

18:30 ND ND 22

18:40 ND ND 21

18:50 ND ND 22

19:00 ND ND 20

19:10 ND ND 19

19:20 ND ND 18

19:30 ND ND 14

19:40 ND ND 14

19:50 ND ND 12

20:00 ND ND 18

20:10 ND ND 18

20:20 ND ND 16

20:30 ND ND 18

20:40 ND ND 18

20:50 ND ND 19

21:00 ND ND 17

21:10 ND ND 16

21:20 ND ND 18

21:30 ND ND 18

21:40 ND ND 19

21:50 ND ND 19

22:00 ND ND 18

22:10 ND ND 17

22:20 ND ND 18

22:30 ND ND 20

22:40 ND ND 20

22:50 ND ND 21

23:00 ND ND 23

23:10 ND ND 25

23:20 ND ND 24

23:30 ND ND 22

23:40 ND ND 22

23:50 ND ND 23

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