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）

○お知らせ

○計測値一覧：2026年04月27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 11

00:10 ND ND 9.7

00:20 ND ND 11

00:30 ND ND 13

00:40 ND ND 13

00:50 ND ND 13

01:00 ND ND 15

01:10 ND ND 18

01:20 ND ND 17

01:30 ND ND 20

01:40 ND ND 20

01:50 ND ND 20

02:00 ND ND 23

02:10 ND ND 23

02:20 ND ND 23

02:30 ND ND 21

02:40 ND ND 22

02:50 ND ND 23

03:00 ND ND 21

03:10 ND ND 19

03:20 ND ND 21

03:30 ND ND 20

03:40 ND ND 19

03:50 ND ND 17

04:00 ND ND 16

04:10 ND ND 16

04:20 ND ND 16

04:30 ND ND 17

04:40 ND ND 19

04:50 ND ND 18

05:00 ND ND 18

05:10 ND ND 18

05:20 ND ND 20

05:30 ND ND 18

05:40 ND ND 16

05:50 ND ND 18

06:00 ND ND 19

06:10 ND ND 18

06:20 ND ND 16

06:30 ND ND 17

06:40 ND ND 18

06:50 ND ND 20

07:00 ND ND 19

07:10 ND ND 20

07:20 ND ND 18

07:30 ND ND 15

07:40 ND ND 15

07:50 ND ND 13

08:00 ND ND 13

08:10 ND ND 13

08:20 ND ND 14

08:30 ND ND 17

08:40 ND ND 15

08:50 ND ND 17

09:00 ND ND 18

09:10 ND ND 17

09:20 ND ND 17

09:30 ND ND 16

09:40 ND ND 16

09:50 ND ND 15

10:00 ND ND 11

10:10 ND ND 12

10:20 ND ND 14

10:30 ND ND 16

10:40 ND ND 18

10:50 ND ND 18

11:00 ND ND 20

11:10 ND ND 21

11:20 ND ND 18

11:30 ND ND 19

11:40 ND ND 18

11:50 ND ND 17

12:00 ND ND 18

12:10 ND ND 16

12:20 ND ND 16

12:30 ND ND 16

12:40 ND ND 15

12:50 ND ND 18

13:00 ND ND 19

13:10 ND ND 20

13:20 ND ND 22

13:30 ND ND 23

13:40 ND ND 26

13:50 ND ND 24

14:00 ND ND 23

14:10 ND ND 22

14:20 ND ND 22

14:30 ND ND 19

14:40 ND ND 17

14:50 ND ND 18

15:00 ND ND 20

15:10 ND ND 21

15:20 ND ND 20

15:30 ND ND 20

15:40 ND ND 21

15:50 ND ND 20

16:00 ND ND 20

16:10 ND ND 21

16:20 ND ND 20

16:30 ND ND 21

16:40 ND ND 22

16:50 ND ND 24

17:00 ND ND 20

17:10 ND ND 22

17:20 ND ND 23

17:30 ND ND 21

17:40 ND ND 18

17:50 ND ND 15

18:00 ND ND 16

18:10 ND ND 14

18:20 ND ND 15

18:30 ND ND 16

18:40 ND ND 18

18:50 ND ND 20

19:00 ND ND 21

19:10 ND ND 21

19:20 ND ND 20

19:30 ND ND 21

19:40 ND ND 20

19:50 ND ND 20

20:00 ND ND 19

20:10 ND ND 18

20:20 ND ND 17

20:30 ND ND 16

20:40 ND ND 15

20:50 ND ND 12

21:00 ND ND 16

21:10 ND ND 15

21:20 ND ND 14

21:30 ND ND 14

21:40 ND ND 14

21:50 ND ND 16

22:00 ND ND 14

22:10 ND ND 15

22:20 ND ND 16

22:30 ND ND 17

22:40 ND ND 15

22:50 ND ND 12

23:00 ND ND 11

23:10 ND ND 12

23:20 ND ND 14

23:30 ND ND 14

23:40 ND ND 17

23:50 ND ND 21

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	11
00:10	ND	ND	9.7
00:20	ND	ND	11
00:30	ND	ND	13
00:40	ND	ND	13
00:50	ND	ND	13
01:00	ND	ND	15
01:10	ND	ND	18
01:20	ND	ND	17
01:30	ND	ND	20
01:40	ND	ND	20
01:50	ND	ND	20
02:00	ND	ND	23
02:10	ND	ND	23
02:20	ND	ND	23
02:30	ND	ND	21
02:40	ND	ND	22
02:50	ND	ND	23
03:00	ND	ND	21
03:10	ND	ND	19
03:20	ND	ND	21
03:30	ND	ND	20
03:40	ND	ND	19
03:50	ND	ND	17
04:00	ND	ND	16
04:10	ND	ND	16
04:20	ND	ND	16
04:30	ND	ND	17
04:40	ND	ND	19
04:50	ND	ND	18
05:00	ND	ND	18
05:10	ND	ND	18
05:20	ND	ND	20
05:30	ND	ND	18
05:40	ND	ND	16
05:50	ND	ND	18
06:00	ND	ND	19
06:10	ND	ND	18
06:20	ND	ND	16
06:30	ND	ND	17
06:40	ND	ND	18
06:50	ND	ND	20
07:00	ND	ND	19
07:10	ND	ND	20
07:20	ND	ND	18
07:30	ND	ND	15
07:40	ND	ND	15
07:50	ND	ND	13
08:00	ND	ND	13
08:10	ND	ND	13
08:20	ND	ND	14
08:30	ND	ND	17
08:40	ND	ND	15
08:50	ND	ND	17
09:00	ND	ND	18
09:10	ND	ND	17
09:20	ND	ND	17
09:30	ND	ND	16
09:40	ND	ND	16
09:50	ND	ND	15
10:00	ND	ND	11
10:10	ND	ND	12
10:20	ND	ND	14
10:30	ND	ND	16
10:40	ND	ND	18
10:50	ND	ND	18
11:00	ND	ND	20
11:10	ND	ND	21
11:20	ND	ND	18
11:30	ND	ND	19
11:40	ND	ND	18
11:50	ND	ND	17
12:00	ND	ND	18
12:10	ND	ND	16
12:20	ND	ND	16
12:30	ND	ND	16
12:40	ND	ND	15
12:50	ND	ND	18
13:00	ND	ND	19
13:10	ND	ND	20
13:20	ND	ND	22
13:30	ND	ND	23
13:40	ND	ND	26
13:50	ND	ND	24
14:00	ND	ND	23
14:10	ND	ND	22
14:20	ND	ND	22
14:30	ND	ND	19
14:40	ND	ND	17
14:50	ND	ND	18
15:00	ND	ND	20
15:10	ND	ND	21
15:20	ND	ND	20
15:30	ND	ND	20
15:40	ND	ND	21
15:50	ND	ND	20
16:00	ND	ND	20
16:10	ND	ND	21
16:20	ND	ND	20
16:30	ND	ND	21
16:40	ND	ND	22
16:50	ND	ND	24
17:00	ND	ND	20
17:10	ND	ND	22
17:20	ND	ND	23
17:30	ND	ND	21
17:40	ND	ND	18
17:50	ND	ND	15
18:00	ND	ND	16
18:10	ND	ND	14
18:20	ND	ND	15
18:30	ND	ND	16
18:40	ND	ND	18
18:50	ND	ND	20
19:00	ND	ND	21
19:10	ND	ND	21
19:20	ND	ND	20
19:30	ND	ND	21
19:40	ND	ND	20
19:50	ND	ND	20
20:00	ND	ND	19
20:10	ND	ND	18
20:20	ND	ND	17
20:30	ND	ND	16
20:40	ND	ND	15
20:50	ND	ND	12
21:00	ND	ND	16
21:10	ND	ND	15
21:20	ND	ND	14
21:30	ND	ND	14
21:40	ND	ND	14
21:50	ND	ND	16
22:00	ND	ND	14
22:10	ND	ND	15
22:20	ND	ND	16
22:30	ND	ND	17
22:40	ND	ND	15
22:50	ND	ND	12
23:00	ND	ND	11
23:10	ND	ND	12
23:20	ND	ND	14
23:30	ND	ND	14
23:40	ND	ND	17
23:50	ND	ND	21