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08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 21

00:10 ND ND 22

00:20 ND ND 21

00:30 ND ND 19

00:40 ND ND 18

00:50 ND ND 17

01:00 ND ND 20

01:10 ND ND 20

01:20 ND ND 22

01:30 ND ND 23

01:40 ND ND 25

01:50 ND ND 25

02:00 ND ND 24

02:10 ND ND 22

02:20 ND ND 21

02:30 ND ND 22

02:40 ND ND 18

02:50 ND ND 19

03:00 ND ND 17

03:10 ND ND 19

03:20 ND ND 21

03:30 ND ND 21

03:40 ND ND 22

03:50 ND ND 22

04:00 ND ND 23

04:10 ND ND 22

04:20 ND ND 18

04:30 ND ND 18

04:40 ND ND 20

04:50 ND ND 20

05:00 ND ND 20

05:10 ND ND 20

05:20 ND ND 22

05:30 ND ND 22

05:40 ND ND 23

05:50 ND ND 22

06:00 ND ND 23

06:10 ND ND 23

06:20 ND ND 21

06:30 ND ND 21

06:40 ND ND 21

06:50 ND ND 19

07:00 ND ND 16

07:10 ND ND 16

07:20 ND ND 18

07:30 ND ND 20

07:40 ND ND 20

07:50 ND ND 21

08:00 ND ND 20

08:10 ND ND 19

08:20 ND ND 18

08:30 ND ND 18

08:40 ND ND 14

08:50 ND ND 13

09:00 ND ND 16

09:10 ND ND 20

09:20 ND ND 19

09:30 ND ND 18

09:40 ND ND 22

09:50 ND ND 24

10:00 ND ND 22

10:10 ND ND 20

10:20 ND ND 19

10:30 ND ND 21

10:40 ND ND 17

10:50 ND ND 16

11:00 ND ND 17

11:10 ND ND 17

11:20 ND ND 18

11:30 ND ND 16

11:40 ND ND 18

11:50 ND ND 18

12:00 ND ND 19

12:10 ND ND 18

12:20 ND ND 18

12:30 ND ND 17

12:40 ND ND 16

12:50 ND ND 19

13:00 ND ND 17

13:10 ND ND 16

13:20 ND ND 16

13:30 ND ND 16

13:40 ND ND 17

13:50 ND ND 14

14:00 ND ND 16

14:10 ND ND 16

14:20 ND ND 15

14:30 ND ND 15

14:40 ND ND 14

14:50 ND ND 13

15:00 ND ND 14

15:10 ND ND 15

15:20 ND ND 17

15:30 ND ND 17

15:40 ND ND 17

15:50 ND ND 17

16:00 ND ND 18

16:10 ND ND 18

16:20 ND ND 21

16:30 ND ND 23

16:40 ND ND 26

16:50 ND ND 26

17:00 ND ND 26

17:10 ND ND 24

17:20 ND ND 19

17:30 ND ND 18

17:40 ND ND 20

17:50 ND ND 21

18:00 ND ND 19

18:10 ND ND 21

18:20 ND ND 22

18:30 ND ND 21

18:40 ND ND 18

18:50 ND ND 16

19:00 ND ND 17

19:10 ND ND 14

19:20 ND ND 16

19:30 ND ND 15

19:40 ND ND 17

19:50 ND ND 15

20:00 ND ND 16

20:10 ND ND 18

20:20 ND ND 18

20:30 ND ND 18

20:40 ND ND 14

20:50 ND ND 15

21:00 ND ND 13

21:10 ND ND 13

21:20 ND ND 12

21:30 ND ND 12

21:40 ND ND 15

21:50 ND ND 17

22:00 ND ND 17

22:10 ND ND 16

22:20 ND ND 15

22:30 ND ND 16

22:40 ND ND 13

22:50 ND ND 14

23:00 ND ND 15

23:10 ND ND 17

23:20 ND ND 18

23:30 ND ND 15

23:40 ND ND 16

23:50 ND ND 14

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