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07月17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 14

00:10 ND ND 15

00:20 ND ND 16

00:30 ND ND 16

00:40 ND ND 14

00:50 ND ND 14

01:00 ND ND 15

01:10 ND ND 13

01:20 ND ND 11

01:30 ND ND 9.7

01:40 ND ND 10

01:50 ND ND 12

02:00 ND ND 9.3

02:10 ND ND 11

02:20 ND ND 11

02:30 ND ND 11

02:40 ND ND 12

02:50 ND ND 12

03:00 ND ND 12

03:10 ND ND 14

03:20 ND ND 17

03:30 ND ND 18

03:40 ND ND 18

03:50 ND ND 20

04:00 ND ND 20

04:10 ND ND 18

04:20 ND ND 13

04:30 ND ND 11

04:40 ND ND 12

04:50 ND ND 12

05:00 ND ND 11

05:10 ND ND 10

05:20 ND ND 13

05:30 ND ND 16

05:40 ND ND 14

05:50 ND ND 15

06:00 ND ND 16

06:10 ND ND 18

06:20 ND ND 19

06:30 ND ND 17

06:40 ND ND 18

06:50 ND ND 16

07:00 ND ND 14

07:10 ND ND 12

07:20 ND ND 8.9

07:30 ND ND 11

07:40 ND ND 9.6

07:50 ND ND 8.6

08:00 ND ND 10

08:10 ND ND 11

08:20 ND ND 13

08:30 ND ND 12

08:40 ND ND 15

08:50 ND ND 19

09:00 ND ND 18

09:10 ND ND 17

09:20 ND ND 17

09:30 ND ND 17

09:40 ND ND 15

09:50 ND ND 14

10:00 ND ND 14

10:10 ND ND 14

10:20 ND ND 14

10:30 ND ND 13

10:40 ND ND 13

10:50 ND ND 12

11:00 ND ND 13

11:10 ND ND 12

11:20 ND ND 12

11:30 ND ND 14

11:40 ND ND 14

11:50 ND ND 16

12:00 ND ND 14

12:10 ND ND 16

12:20 ND ND 15

12:30 ND ND 11

12:40 ND ND 14

12:50 ND ND 13

13:00 ND ND 14

13:10 ND ND 14

13:20 ND ND 15

13:30 ND ND 16

13:40 ND ND 14

13:50 ND ND 13

14:00 ND ND 12

14:10 ND ND 13

14:20 ND ND 14

14:30 ND ND 15

14:40 ND ND 12

14:50 ND ND 12

15:00 ND ND 16

15:10 ND ND 16

15:20 ND ND 17

15:30 ND ND 15

15:40 ND ND 20

15:50 ND ND 20

16:00 ND ND 18

16:10 ND ND 18

16:20 ND ND 17

16:30 ND ND 19

16:40 ND ND 16

16:50 ND ND 20

17:00 ND ND 18

17:10 ND ND 19

17:20 ND ND 19

17:30 ND ND 19

17:40 ND ND 19

17:50 ND ND 17

18:00 ND ND 18

18:10 ND ND 16

18:20 ND ND 17

18:30 ND ND 14

18:40 ND ND 16

18:50 ND ND 17

19:00 ND ND 16

19:10 ND ND 16

19:20 ND ND 14

19:30 ND ND 15

19:40 ND ND 13

19:50 ND ND 13

20:00 ND ND 11

20:10 ND ND 12

20:20 ND ND 12

20:30 ND ND 13

20:40 ND ND 14

20:50 ND ND 14

21:00 ND ND 15

21:10 ND ND 14

21:20 ND ND 15

21:30 ND ND 13

21:40 ND ND 14

21:50 ND ND 14

22:00 ND ND 16

22:10 ND ND 17

22:20 ND ND 20

22:30 ND ND 22

22:40 ND ND 23

22:50 ND ND 21

23:00 ND ND 20

23:10 ND ND 20

23:20 ND ND 17

23:30 ND ND 15

23:40 ND ND 12

23:50 ND ND 15

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	14
00:10	ND	ND	15
00:20	ND	ND	16
00:30	ND	ND	16
00:40	ND	ND	14
00:50	ND	ND	14
01:00	ND	ND	15
01:10	ND	ND	13
01:20	ND	ND	11
01:30	ND	ND	9.7
01:40	ND	ND	10
01:50	ND	ND	12
02:00	ND	ND	9.3
02:10	ND	ND	11
02:20	ND	ND	11
02:30	ND	ND	11
02:40	ND	ND	12
02:50	ND	ND	12
03:00	ND	ND	12
03:10	ND	ND	14
03:20	ND	ND	17
03:30	ND	ND	18
03:40	ND	ND	18
03:50	ND	ND	20
04:00	ND	ND	20
04:10	ND	ND	18
04:20	ND	ND	13
04:30	ND	ND	11
04:40	ND	ND	12
04:50	ND	ND	12
05:00	ND	ND	11
05:10	ND	ND	10
05:20	ND	ND	13
05:30	ND	ND	16
05:40	ND	ND	14
05:50	ND	ND	15
06:00	ND	ND	16
06:10	ND	ND	18
06:20	ND	ND	19
06:30	ND	ND	17
06:40	ND	ND	18
06:50	ND	ND	16
07:00	ND	ND	14
07:10	ND	ND	12
07:20	ND	ND	8.9
07:30	ND	ND	11
07:40	ND	ND	9.6
07:50	ND	ND	8.6
08:00	ND	ND	10
08:10	ND	ND	11
08:20	ND	ND	13
08:30	ND	ND	12
08:40	ND	ND	15
08:50	ND	ND	19
09:00	ND	ND	18
09:10	ND	ND	17
09:20	ND	ND	17
09:30	ND	ND	17
09:40	ND	ND	15
09:50	ND	ND	14
10:00	ND	ND	14
10:10	ND	ND	14
10:20	ND	ND	14
10:30	ND	ND	13
10:40	ND	ND	13
10:50	ND	ND	12
11:00	ND	ND	13
11:10	ND	ND	12
11:20	ND	ND	12
11:30	ND	ND	14
11:40	ND	ND	14
11:50	ND	ND	16
12:00	ND	ND	14
12:10	ND	ND	16
12:20	ND	ND	15
12:30	ND	ND	11
12:40	ND	ND	14
12:50	ND	ND	13
13:00	ND	ND	14
13:10	ND	ND	14
13:20	ND	ND	15
13:30	ND	ND	16
13:40	ND	ND	14
13:50	ND	ND	13
14:00	ND	ND	12
14:10	ND	ND	13
14:20	ND	ND	14
14:30	ND	ND	15
14:40	ND	ND	12
14:50	ND	ND	12
15:00	ND	ND	16
15:10	ND	ND	16
15:20	ND	ND	17
15:30	ND	ND	15
15:40	ND	ND	20
15:50	ND	ND	20
16:00	ND	ND	18
16:10	ND	ND	18
16:20	ND	ND	17
16:30	ND	ND	19
16:40	ND	ND	16
16:50	ND	ND	20
17:00	ND	ND	18
17:10	ND	ND	19
17:20	ND	ND	19
17:30	ND	ND	19
17:40	ND	ND	19
17:50	ND	ND	17
18:00	ND	ND	18
18:10	ND	ND	16
18:20	ND	ND	17
18:30	ND	ND	14
18:40	ND	ND	16
18:50	ND	ND	17
19:00	ND	ND	16
19:10	ND	ND	16
19:20	ND	ND	14
19:30	ND	ND	15
19:40	ND	ND	13
19:50	ND	ND	13
20:00	ND	ND	11
20:10	ND	ND	12
20:20	ND	ND	12
20:30	ND	ND	13
20:40	ND	ND	14
20:50	ND	ND	14
21:00	ND	ND	15
21:10	ND	ND	14
21:20	ND	ND	15
21:30	ND	ND	13
21:40	ND	ND	14
21:50	ND	ND	14
22:00	ND	ND	16
22:10	ND	ND	17
22:20	ND	ND	20
22:30	ND	ND	22
22:40	ND	ND	23
22:50	ND	ND	21
23:00	ND	ND	20
23:10	ND	ND	20
23:20	ND	ND	17
23:30	ND	ND	15
23:40	ND	ND	12
23:50	ND	ND	15