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02月04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 19

00:10 ND ND 22

00:20 ND ND 21

00:30 ND ND 20

00:40 ND ND 20

00:50 ND ND 20

01:00 ND ND 18

01:10 ND ND 15

01:20 ND ND 14

01:30 ND ND 16

01:40 ND ND 15

01:50 ND ND 15

02:00 ND ND 18

02:10 ND ND 18

02:20 ND ND 20

02:30 ND ND 16

02:40 ND ND 16

02:50 ND ND 15

03:00 ND ND 12

03:10 ND ND 14

03:20 ND ND 12

03:30 ND ND 18

03:40 ND ND 19

03:50 ND ND 20

04:00 ND ND 24

04:10 ND ND 23

04:20 ND ND 25

04:30 ND ND 22

04:40 ND ND 23

04:50 ND ND 22

05:00 ND ND 19

05:10 ND ND 21

05:20 ND ND 16

05:30 ND ND 20

05:40 ND ND 21

05:50 ND ND 22

06:00 ND ND 19

06:10 ND ND 19

06:20 ND ND 22

06:30 ND ND 17

06:40 ND ND 15

06:50 ND ND 17

07:00 ND ND 20

07:10 ND ND 18

07:20 ND ND 18

07:30 ND ND 17

07:40 ND ND 20

07:50 ND ND 18

08:00 ND ND 19

08:10 ND ND 19

08:20 ND ND 18

08:30 ND ND 20

08:40 ND ND 18

08:50 ND ND 20

09:00 ND ND 19

09:10 ND ND 19

09:20 ND ND 20

09:30 ND ND 20

09:40 ND ND 21

09:50 ND ND 23

10:00 ND ND 21

10:10 ND ND 21

10:20 ND ND 20

10:30 ND ND 20

10:40 ND ND 21

10:50 ND ND 18

11:00 ND ND 18

11:10 ND ND 17

11:20 ND ND 16

11:30 ND ND 16

11:40 ND ND 15

11:50 ND ND 16

12:00 ND ND 20

12:10 ND ND 20

12:20 ND ND 22

12:30 ND ND 22

12:40 ND ND 22

12:50 ND ND 19

13:00 ND ND 15

13:10 ND ND 16

13:20 ND ND 17

13:30 ND ND 17

13:40 ND ND 18

13:50 ND ND 22

14:00 ND ND 24

14:10 ND ND 23

14:20 ND ND 23

14:30 ND ND 23

14:40 ND ND 21

14:50 ND ND 23

15:00 ND ND 22

15:10 ND ND 23

15:20 ND ND 22

15:30 ND ND 22

15:40 ND ND 21

15:50 ND ND 21

16:00 ND ND 22

16:10 ND ND 22

16:20 ND ND 21

16:30 ND ND 23

16:40 ND ND 24

16:50 ND ND 19

17:00 ND ND 18

17:10 ND ND 18

17:20 ND ND 19

17:30 ND ND 14

17:40 ND ND 15

17:50 ND ND 19

18:00 ND ND 18

18:10 ND ND 18

18:20 ND ND 18

18:30 ND ND 21

18:40 ND ND 20

18:50 ND ND 18

19:00 ND ND 18

19:10 ND ND 16

19:20 ND ND 18

19:30 ND ND 17

19:40 ND ND 16

19:50 ND ND 16

20:00 ND ND 16

20:10 ND ND 17

20:20 ND ND 17

20:30 ND ND 17

20:40 ND ND 19

20:50 ND ND 20

21:00 ND ND 21

21:10 ND ND 20

21:20 ND ND 21

21:30 ND ND 23

21:40 ND ND 22

21:50 ND ND 22

22:00 ND ND 21

22:10 ND ND 18

22:20 ND ND 16

22:30 ND ND 13

22:40 ND ND 12

22:50 ND ND 14

23:00 ND ND 15

23:10 ND ND 18

23:20 ND ND 21

23:30 ND ND 22

23:40 ND ND 23

23:50 ND ND 20

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