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30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 16

00:10 ND ND 18

00:20 ND ND 18

00:30 ND ND 20

00:40 ND ND 17

00:50 ND ND 19

01:00 ND ND 21

01:10 ND ND 18

01:20 ND ND 18

01:30 ND ND 19

01:40 ND ND 24

01:50 ND ND 23

02:00 ND ND 21

02:10 ND ND 20

02:20 ND ND 21

02:30 ND ND 17

02:40 ND ND 15

02:50 ND ND 15

03:00 ND ND 15

03:10 ND ND 16

03:20 ND ND 13

03:30 ND ND 15

03:40 ND ND 14

03:50 ND ND 14

04:00 ND ND 16

04:10 ND ND 19

04:20 ND ND 20

04:30 ND ND 18

04:40 ND ND 18

04:50 ND ND 17

05:00 ND ND 14

05:10 ND ND 15

05:20 ND ND 13

05:30 ND ND 15

05:40 ND ND 15

05:50 ND ND 16

06:00 ND ND 19

06:10 ND ND 16

06:20 ND ND 18

06:30 ND ND 18

06:40 ND ND 18

06:50 ND ND 18

07:00 ND ND 15

07:10 ND ND 15

07:20 ND ND 17

07:30 ND ND 16

07:40 ND ND 15

07:50 ND ND 18

08:00 ND ND 18

08:10 ND ND 18

08:20 ND ND 16

08:30 ND ND 18

08:40 ND ND 19

08:50 ND ND 16

09:00 ND ND 16

09:10 ND ND 15

09:20 ND ND 16

09:30 ND ND 15

09:40 ND ND 15

09:50 ND ND 20

10:00 ND ND 21

10:10 ND ND 22

10:20 ND ND 22

10:30 - - -

10:40 ND ND 20

10:50 ND ND 16

11:00 ND ND 16

11:10 ND ND 16

11:20 ND ND 16

11:30 ND ND 17

11:40 ND ND 19

11:50 ND ND 18

12:00 ND ND 18

12:10 ND ND 18

12:20 ND ND 19

12:30 ND ND 17

12:40 ND ND 16

12:50 ND ND 17

13:00 ND ND 18

13:10 ND ND 18

13:20 ND ND 15

13:30 ND ND 19

13:40 ND ND 18

13:50 ND ND 18

14:00 ND ND 18

14:10 ND ND 18

14:20 ND ND 20

14:30 ND ND 19

14:40 ND ND 19

14:50 ND ND 21

15:00 ND ND 20

15:10 ND ND 21

15:20 ND ND 20

15:30 ND ND 19

15:40 ND ND 18

15:50 ND ND 19

16:00 ND ND 19

16:10 ND ND 20

16:20 ND ND 18

16:30 ND ND 20

16:40 ND ND 19

16:50 ND ND 19

17:00 ND ND 20

17:10 ND ND 18

17:20 ND ND 20

17:30 ND ND 20

17:40 ND ND 20

17:50 ND ND 20

18:00 ND ND 19

18:10 ND ND 19

18:20 ND ND 19

18:30 ND ND 18

18:40 ND ND 19

18:50 ND ND 19

19:00 ND ND 22

19:10 ND ND 21

19:20 ND ND 21

19:30 ND ND 24

19:40 ND ND 25

19:50 ND ND 24

20:00 ND ND 24

20:10 ND ND 24

20:20 ND ND 25

20:30 ND ND 22

20:40 ND ND 21

20:50 ND ND 21

21:00 ND ND 22

21:10 ND ND 22

21:20 ND ND 21

21:30 ND ND 21

21:40 ND ND 21

21:50 ND ND 19

22:00 ND ND 16

22:10 ND ND 16

22:20 ND ND 16

22:30 ND ND 16

22:40 ND ND 15

22:50 ND ND 20

23:00 ND ND 19

23:10 ND ND 18

23:20 ND ND 19

23:30 ND ND 19

23:40 ND ND 19

23:50 ND ND 17

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