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24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 15

00:10 ND ND 12

00:20 ND ND 12

00:30 ND ND 12

00:40 ND ND 13

00:50 ND ND 13

01:00 ND ND 12

01:10 ND ND 15

01:20 ND ND 13

01:30 ND ND 10

01:40 ND ND 12

01:50 ND ND 14

02:00 ND ND 16

02:10 ND ND 15

02:20 ND ND 16

02:30 ND ND 17

02:40 ND ND 18

02:50 ND ND 19

03:00 ND ND 21

03:10 ND ND 22

03:20 ND ND 21

03:30 ND ND 22

03:40 ND ND 23

03:50 ND ND 23

04:00 ND ND 23

04:10 ND ND 20

04:20 ND ND 25

04:30 ND ND 25

04:40 ND ND 22

04:50 ND ND 19

05:00 ND ND 14

05:10 ND ND 13

05:20 ND ND 8.5

05:30 ND ND ND

05:40 ND ND 9.0

05:50 ND ND 9.2

06:00 ND ND 14

06:10 ND ND 15

06:20 ND ND 15

06:30 ND ND 14

06:40 ND ND 12

06:50 ND ND 13

07:00 ND ND 12

07:10 ND ND 11

07:20 ND ND 14

07:30 ND ND 13

07:40 ND ND 15

07:50 ND ND 14

08:00 ND ND 18

08:10 ND ND 18

08:20 ND ND 17

08:30 ND ND 20

08:40 ND ND 19

08:50 ND ND 20

09:00 ND ND 18

09:10 ND ND 19

09:20 ND ND 20

09:30 ND ND 18

09:40 ND ND 20

09:50 ND ND 19

10:00 ND ND 19

10:10 ND ND 17

10:20 ND ND 16

10:30 ND ND 17

10:40 ND ND 16

10:50 ND ND 16

11:00 ND ND 15

11:10 ND ND 15

11:20 ND ND 16

11:30 ND ND 16

11:40 ND ND 16

11:50 ND ND 16

12:00 ND ND 16

12:10 ND ND 16

12:20 ND ND 14

12:30 ND ND 14

12:40 ND ND 13

12:50 ND ND 17

13:00 ND ND 18

13:10 ND ND 18

13:20 ND ND 17

13:30 ND ND 16

13:40 ND ND 16

13:50 ND ND 12

14:00 ND ND 13

14:10 ND ND 14

14:20 ND ND 17

14:30 ND ND 18

14:40 ND ND 20

14:50 ND ND 20

15:00 ND ND 21

15:10 ND ND 21

15:20 ND ND 21

15:30 ND ND 18

15:40 ND ND 18

15:50 ND ND 18

16:00 ND ND 16

16:10 ND ND 16

16:20 ND ND 17

16:30 ND ND 20

16:40 ND ND 20

16:50 ND ND 18

17:00 ND ND 19

17:10 ND ND 20

17:20 ND ND 18

17:30 ND ND 17

17:40 ND ND 18

17:50 ND ND 19

18:00 ND ND 20

18:10 ND ND 20

18:20 ND ND 19

18:30 ND ND 20

18:40 ND ND 18

18:50 ND ND 17

19:00 ND ND 14

19:10 ND ND 17

19:20 ND ND 18

19:30 ND ND 16

19:40 ND ND 14

19:50 ND ND 15

20:00 ND ND 18

20:10 ND ND 15

20:20 ND ND 14

20:30 ND ND 14

20:40 ND ND 17

20:50 ND ND 17

21:00 ND ND 16

21:10 ND ND 15

21:20 ND ND 14

21:30 ND ND 15

21:40 ND ND 14

21:50 ND ND 14

22:00 ND ND 13

22:10 ND ND 14

22:20 ND ND 15

22:30 ND ND 16

22:40 ND ND 15

22:50 ND ND 14

23:00 ND ND 16

23:10 ND ND 19

23:20 ND ND 19

23:30 ND ND 17

23:40 ND ND 17

23:50 ND ND 16

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	15
00:10	ND	ND	12
00:20	ND	ND	12
00:30	ND	ND	12
00:40	ND	ND	13
00:50	ND	ND	13
01:00	ND	ND	12
01:10	ND	ND	15
01:20	ND	ND	13
01:30	ND	ND	10
01:40	ND	ND	12
01:50	ND	ND	14
02:00	ND	ND	16
02:10	ND	ND	15
02:20	ND	ND	16
02:30	ND	ND	17
02:40	ND	ND	18
02:50	ND	ND	19
03:00	ND	ND	21
03:10	ND	ND	22
03:20	ND	ND	21
03:30	ND	ND	22
03:40	ND	ND	23
03:50	ND	ND	23
04:00	ND	ND	23
04:10	ND	ND	20
04:20	ND	ND	25
04:30	ND	ND	25
04:40	ND	ND	22
04:50	ND	ND	19
05:00	ND	ND	14
05:10	ND	ND	13
05:20	ND	ND	8.5
05:30	ND	ND	ND
05:40	ND	ND	9.0
05:50	ND	ND	9.2
06:00	ND	ND	14
06:10	ND	ND	15
06:20	ND	ND	15
06:30	ND	ND	14
06:40	ND	ND	12
06:50	ND	ND	13
07:00	ND	ND	12
07:10	ND	ND	11
07:20	ND	ND	14
07:30	ND	ND	13
07:40	ND	ND	15
07:50	ND	ND	14
08:00	ND	ND	18
08:10	ND	ND	18
08:20	ND	ND	17
08:30	ND	ND	20
08:40	ND	ND	19
08:50	ND	ND	20
09:00	ND	ND	18
09:10	ND	ND	19
09:20	ND	ND	20
09:30	ND	ND	18
09:40	ND	ND	20
09:50	ND	ND	19
10:00	ND	ND	19
10:10	ND	ND	17
10:20	ND	ND	16
10:30	ND	ND	17
10:40	ND	ND	16
10:50	ND	ND	16
11:00	ND	ND	15
11:10	ND	ND	15
11:20	ND	ND	16
11:30	ND	ND	16
11:40	ND	ND	16
11:50	ND	ND	16
12:00	ND	ND	16
12:10	ND	ND	16
12:20	ND	ND	14
12:30	ND	ND	14
12:40	ND	ND	13
12:50	ND	ND	17
13:00	ND	ND	18
13:10	ND	ND	18
13:20	ND	ND	17
13:30	ND	ND	16
13:40	ND	ND	16
13:50	ND	ND	12
14:00	ND	ND	13
14:10	ND	ND	14
14:20	ND	ND	17
14:30	ND	ND	18
14:40	ND	ND	20
14:50	ND	ND	20
15:00	ND	ND	21
15:10	ND	ND	21
15:20	ND	ND	21
15:30	ND	ND	18
15:40	ND	ND	18
15:50	ND	ND	18
16:00	ND	ND	16
16:10	ND	ND	16
16:20	ND	ND	17
16:30	ND	ND	20
16:40	ND	ND	20
16:50	ND	ND	18
17:00	ND	ND	19
17:10	ND	ND	20
17:20	ND	ND	18
17:30	ND	ND	17
17:40	ND	ND	18
17:50	ND	ND	19
18:00	ND	ND	20
18:10	ND	ND	20
18:20	ND	ND	19
18:30	ND	ND	20
18:40	ND	ND	18
18:50	ND	ND	17
19:00	ND	ND	14
19:10	ND	ND	17
19:20	ND	ND	18
19:30	ND	ND	16
19:40	ND	ND	14
19:50	ND	ND	15
20:00	ND	ND	18
20:10	ND	ND	15
20:20	ND	ND	14
20:30	ND	ND	14
20:40	ND	ND	17
20:50	ND	ND	17
21:00	ND	ND	16
21:10	ND	ND	15
21:20	ND	ND	14
21:30	ND	ND	15
21:40	ND	ND	14
21:50	ND	ND	14
22:00	ND	ND	13
22:10	ND	ND	14
22:20	ND	ND	15
22:30	ND	ND	16
22:40	ND	ND	15
22:50	ND	ND	14
23:00	ND	ND	16
23:10	ND	ND	19
23:20	ND	ND	19
23:30	ND	ND	17
23:40	ND	ND	17
23:50	ND	ND	16