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10月28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 23

00:30 ND ND 26

00:40 ND ND 23

00:50 ND ND 20

01:00 ND ND 18

01:10 ND ND 16

01:20 ND ND 16

01:30 ND ND 15

01:40 ND ND 17

01:50 ND ND 17

02:00 ND ND 18

02:10 ND ND 18

02:20 ND ND 20

02:30 ND ND 19

02:40 ND ND 19

02:50 ND ND 20

03:00 ND ND 22

03:10 ND ND 23

03:20 ND ND 23

03:30 ND ND 22

03:40 ND ND 21

03:50 ND ND 23

04:00 ND ND 22

04:10 ND ND 21

04:20 ND ND 22

04:30 ND ND 23

04:40 ND ND 26

04:50 ND ND 25

05:00 ND ND 23

05:10 ND ND 23

05:20 ND ND 20

05:30 ND ND 21

05:40 ND ND 18

05:50 ND ND 21

06:00 ND ND 22

06:10 ND ND 24

06:20 ND ND 24

06:30 ND ND 20

06:40 ND ND 22

06:50 ND ND 17

07:00 ND ND 18

07:10 ND ND 19

07:20 ND ND 20

07:30 ND ND 20

07:40 ND ND 19

07:50 ND ND 22

08:00 ND ND 19

08:10 ND ND 17

08:20 ND ND 17

08:30 ND ND 19

08:40 ND ND 19

08:50 ND ND 18

09:00 ND ND 19

09:10 ND ND 20

09:20 ND ND 21

09:30 ND ND 18

09:40 ND ND 19

09:50 ND ND 20

10:00 ND ND 21

10:10 ND ND 20

10:20 ND ND 18

10:30 ND ND 21

10:40 ND ND 20

10:50 ND ND 19

11:00 - - -

11:10 - - -

11:20 - - -

11:30 - - -

11:40 - - -

11:50 - - -

12:00 - - -

12:10 - - -

12:20 - - -

12:30 - - -

12:40 - - -

12:50 - - -

13:00 - - -

13:10 - - -

13:20 - - -

13:30 - - -

13:40 - - -

13:50 - - -

14:00 - - -

14:10 - - -

14:20 ND ND 18

14:30 ND ND 17

14:40 ND ND 19

14:50 ND ND 20

15:00 ND ND 20

15:10 ND ND 20

15:20 ND ND 18

15:30 ND ND 18

15:40 ND ND 16

15:50 ND ND 18

16:00 ND ND 19

16:10 ND ND 19

16:20 ND ND 20

16:30 ND ND 19

16:40 ND ND 21

16:50 ND ND 18

17:00 ND ND 17

17:10 ND ND 17

17:20 ND ND 18

17:30 ND ND 17

17:40 ND ND 18

17:50 ND ND 24

18:00 ND ND 23

18:10 ND ND 24

18:20 ND ND 22

18:30 ND ND 21

18:40 ND ND 19

18:50 ND ND 17

19:00 ND ND 17

19:10 ND ND 18

19:20 ND ND 21

19:30 ND ND 24

19:40 ND ND 25

19:50 ND ND 22

20:00 ND ND 20

20:10 ND ND 19

20:20 ND ND 17

20:30 ND ND 17

20:40 ND ND 19

20:50 ND ND 19

21:00 ND ND 20

21:10 ND ND 18

21:20 ND ND 16

21:30 ND ND 16

21:40 ND ND 15

21:50 ND ND 16

22:00 ND ND 18

22:10 ND ND 20

22:20 ND ND 24

22:30 ND ND 22

22:40 ND ND 20

22:50 ND ND 19

23:00 ND ND 16

23:10 ND ND 16

23:20 ND ND 15

23:30 ND ND 14

23:40 ND ND 15

23:50 ND ND 15

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