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10月23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 9.0

00:10 ND ND 10

00:20 ND ND 11

00:30 ND ND 9.3

00:40 ND ND 9.0

00:50 ND ND 9.7

01:00 ND ND 11

01:10 ND ND 11

01:20 ND ND 12

01:30 ND ND 16

01:40 ND ND 18

01:50 ND ND 18

02:00 ND ND 17

02:10 ND ND 16

02:20 ND ND 17

02:30 ND ND 13

02:40 ND ND 8.4

02:50 ND ND 10

03:00 ND ND 12

03:10 ND ND 13

03:20 ND ND 11

03:30 ND ND 12

03:40 ND ND 16

03:50 ND ND 12

04:00 ND ND 13

04:10 ND ND 12

04:20 ND ND 13

04:30 ND ND 16

04:40 ND ND 14

04:50 ND ND 16

05:00 ND ND 13

05:10 ND ND 12

05:20 ND ND 10

05:30 ND ND 8.9

05:40 ND ND 8.5

05:50 ND ND 9.0

06:00 ND ND 8.8

06:10 ND ND 11

06:20 ND ND 14

06:30 ND ND 13

06:40 ND ND 11

06:50 ND ND 9.6

07:00 ND ND 13

07:10 ND ND 13

07:20 ND ND 11

07:30 ND ND 12

07:40 ND ND 15

07:50 ND ND 16

08:00 ND ND 17

08:10 ND ND 16

08:20 ND ND 18

08:30 ND ND 18

08:40 ND ND 16

08:50 ND ND 16

09:00 ND ND 13

09:10 ND ND 14

09:20 ND ND 13

09:30 ND ND 13

09:40 ND ND 14

09:50 ND ND 13

10:00 ND ND 16

10:10 ND ND 16

10:20 ND ND 12

10:30 ND ND 11

10:40 ND ND 9.3

10:50 ND ND 8.8

11:00 ND ND ND

11:10 ND ND 8.4

11:20 ND ND 11

11:30 ND ND 12

11:40 ND ND 14

11:50 ND ND 16

12:00 ND ND 15

12:10 ND ND 12

12:20 ND ND 12

12:30 ND ND 15

12:40 ND ND 16

12:50 ND ND 15

13:00 ND ND 17

13:10 ND ND 19

13:20 ND ND 20

13:30 ND ND 18

13:40 ND ND 16

13:50 ND ND 17

14:00 ND ND 16

14:10 ND ND 15

14:20 ND ND 15

14:30 ND ND 17

14:40 ND ND 16

14:50 ND ND 15

15:00 ND ND 12

15:10 ND ND 13

15:20 ND ND 13

15:30 ND ND 11

15:40 ND ND 12

15:50 ND ND 11

16:00 ND ND 14

16:10 ND ND 13

16:20 ND ND 12

16:30 ND ND 13

16:40 ND ND 12

16:50 ND ND 13

17:00 ND ND 15

17:10 ND ND 12

17:20 ND ND 14

17:30 ND ND 14

17:40 ND ND 16

17:50 ND ND 16

18:00 ND ND 14

18:10 ND ND 14

18:20 ND ND 12

18:30 ND ND 12

18:40 ND ND 12

18:50 ND ND 12

19:00 ND ND 10

19:10 ND ND 14

19:20 ND ND 13

19:30 ND ND 10

19:40 ND ND 10

19:50 ND ND 13

20:00 ND ND 14

20:10 ND ND 14

20:20 ND ND 15

20:30 ND ND 15

20:40 ND ND 12

20:50 ND ND 12

21:00 ND ND 13

21:10 ND ND 11

21:20 ND ND 11

21:30 ND ND 13

21:40 ND ND 15

21:50 ND ND 14

22:00 ND ND 15

22:10 ND ND 17

22:20 ND ND 17

22:30 ND ND 16

22:40 ND ND 13

22:50 ND ND 11

23:00 ND ND 10

23:10 ND ND 8.9

23:20 ND ND ND

23:30 ND ND ND

23:40 ND ND ND

23:50 ND ND 10

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	9.0
00:10	ND	ND	10
00:20	ND	ND	11
00:30	ND	ND	9.3
00:40	ND	ND	9.0
00:50	ND	ND	9.7
01:00	ND	ND	11
01:10	ND	ND	11
01:20	ND	ND	12
01:30	ND	ND	16
01:40	ND	ND	18
01:50	ND	ND	18
02:00	ND	ND	17
02:10	ND	ND	16
02:20	ND	ND	17
02:30	ND	ND	13
02:40	ND	ND	8.4
02:50	ND	ND	10
03:00	ND	ND	12
03:10	ND	ND	13
03:20	ND	ND	11
03:30	ND	ND	12
03:40	ND	ND	16
03:50	ND	ND	12
04:00	ND	ND	13
04:10	ND	ND	12
04:20	ND	ND	13
04:30	ND	ND	16
04:40	ND	ND	14
04:50	ND	ND	16
05:00	ND	ND	13
05:10	ND	ND	12
05:20	ND	ND	10
05:30	ND	ND	8.9
05:40	ND	ND	8.5
05:50	ND	ND	9.0
06:00	ND	ND	8.8
06:10	ND	ND	11
06:20	ND	ND	14
06:30	ND	ND	13
06:40	ND	ND	11
06:50	ND	ND	9.6
07:00	ND	ND	13
07:10	ND	ND	13
07:20	ND	ND	11
07:30	ND	ND	12
07:40	ND	ND	15
07:50	ND	ND	16
08:00	ND	ND	17
08:10	ND	ND	16
08:20	ND	ND	18
08:30	ND	ND	18
08:40	ND	ND	16
08:50	ND	ND	16
09:00	ND	ND	13
09:10	ND	ND	14
09:20	ND	ND	13
09:30	ND	ND	13
09:40	ND	ND	14
09:50	ND	ND	13
10:00	ND	ND	16
10:10	ND	ND	16
10:20	ND	ND	12
10:30	ND	ND	11
10:40	ND	ND	9.3
10:50	ND	ND	8.8
11:00	ND	ND	ND
11:10	ND	ND	8.4
11:20	ND	ND	11
11:30	ND	ND	12
11:40	ND	ND	14
11:50	ND	ND	16
12:00	ND	ND	15
12:10	ND	ND	12
12:20	ND	ND	12
12:30	ND	ND	15
12:40	ND	ND	16
12:50	ND	ND	15
13:00	ND	ND	17
13:10	ND	ND	19
13:20	ND	ND	20
13:30	ND	ND	18
13:40	ND	ND	16
13:50	ND	ND	17
14:00	ND	ND	16
14:10	ND	ND	15
14:20	ND	ND	15
14:30	ND	ND	17
14:40	ND	ND	16
14:50	ND	ND	15
15:00	ND	ND	12
15:10	ND	ND	13
15:20	ND	ND	13
15:30	ND	ND	11
15:40	ND	ND	12
15:50	ND	ND	11
16:00	ND	ND	14
16:10	ND	ND	13
16:20	ND	ND	12
16:30	ND	ND	13
16:40	ND	ND	12
16:50	ND	ND	13
17:00	ND	ND	15
17:10	ND	ND	12
17:20	ND	ND	14
17:30	ND	ND	14
17:40	ND	ND	16
17:50	ND	ND	16
18:00	ND	ND	14
18:10	ND	ND	14
18:20	ND	ND	12
18:30	ND	ND	12
18:40	ND	ND	12
18:50	ND	ND	12
19:00	ND	ND	10
19:10	ND	ND	14
19:20	ND	ND	13
19:30	ND	ND	10
19:40	ND	ND	10
19:50	ND	ND	13
20:00	ND	ND	14
20:10	ND	ND	14
20:20	ND	ND	15
20:30	ND	ND	15
20:40	ND	ND	12
20:50	ND	ND	12
21:00	ND	ND	13
21:10	ND	ND	11
21:20	ND	ND	11
21:30	ND	ND	13
21:40	ND	ND	15
21:50	ND	ND	14
22:00	ND	ND	15
22:10	ND	ND	17
22:20	ND	ND	17
22:30	ND	ND	16
22:40	ND	ND	13
22:50	ND	ND	11
23:00	ND	ND	10
23:10	ND	ND	8.9
23:20	ND	ND	ND
23:30	ND	ND	ND
23:40	ND	ND	ND
23:50	ND	ND	10