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09月07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 8.4

00:10 ND ND 8.9

00:20 ND ND 9.7

00:30 ND ND 11

00:40 ND ND 12

00:50 ND ND 10

01:00 ND ND 10

01:10 ND ND 9.3

01:20 ND ND 10

01:30 ND ND 9.9

01:40 ND ND 12

01:50 ND ND 13

02:00 ND ND 14

02:10 ND ND 15

02:20 ND ND 13

02:30 ND ND 11

02:40 ND ND 12

02:50 ND ND 15

03:00 ND ND 15

03:10 ND ND 17

03:20 ND ND 19

03:30 ND ND 21

03:40 ND ND 20

03:50 ND ND 20

04:00 ND ND 20

04:10 ND ND 17

04:20 ND ND 16

04:30 ND ND 17

04:40 ND ND 18

04:50 ND ND 19

05:00 ND ND 22

05:10 ND ND 25

05:20 ND ND 26

05:30 ND ND 26

05:40 ND ND 23

05:50 ND ND 21

06:00 ND ND 17

06:10 ND ND 15

06:20 ND ND 15

06:30 ND ND 14

06:40 ND ND 17

06:50 ND ND 16

07:00 ND ND 19

07:10 ND ND 19

07:20 ND ND 16

07:30 ND ND 16

07:40 ND ND 13

07:50 ND ND 14

08:00 ND ND 12

08:10 ND ND 12

08:20 ND ND 12

08:30 ND ND 13

08:40 ND ND 14

08:50 ND ND 14

09:00 ND ND 13

09:10 ND ND 13

09:20 ND ND 14

09:30 ND ND 13

09:40 ND ND 14

09:50 ND ND 14

10:00 ND ND 14

10:10 ND ND 17

10:20 ND ND 17

10:30 ND ND 17

10:40 ND ND 16

10:50 ND ND 16

11:00 ND ND 16

11:10 ND ND 16

11:20 ND ND 15

11:30 ND ND 14

11:40 ND ND 13

11:50 ND ND 15

12:00 ND ND 16

12:10 ND ND 16

12:20 ND ND 18

12:30 ND ND 19

12:40 ND ND 20

12:50 ND ND 17

13:00 ND ND 18

13:10 ND ND 18

13:20 ND ND 18

13:30 ND ND 20

13:40 ND ND 20

13:50 ND ND 20

14:00 ND ND 19

14:10 ND ND 18

14:20 ND ND 18

14:30 ND ND 17

14:40 ND ND 17

14:50 ND ND 18

15:00 ND ND 17

15:10 ND ND 19

15:20 ND ND 18

15:30 ND ND 17

15:40 ND ND 16

15:50 ND ND 16

16:00 ND ND 16

16:10 ND ND 12

16:20 ND ND 13

16:30 ND ND 14

16:40 ND ND 16

16:50 ND ND 15

17:00 ND ND 16

17:10 ND ND 19

17:20 ND ND 18

17:30 ND ND 17

17:40 ND ND 16

17:50 ND ND 17

18:00 ND ND 17

18:10 ND ND 17

18:20 ND ND 17

18:30 ND ND 16

18:40 ND ND 16

18:50 ND ND 14

19:00 ND ND 13

19:10 ND ND 12

19:20 ND ND 11

19:30 ND ND 13

19:40 ND ND 13

19:50 ND ND 12

20:00 ND ND 13

20:10 ND ND 13

20:20 ND ND 12

20:30 ND ND 12

20:40 ND ND 11

20:50 ND ND 12

21:00 ND ND 11

21:10 ND ND 10

21:20 ND ND 11

21:30 ND ND 9.6

21:40 ND ND 11

21:50 ND ND 9.5

22:00 ND ND 9.9

22:10 ND ND 12

22:20 ND ND 11

22:30 ND ND 13

22:40 ND ND 12

22:50 ND ND 13

23:00 ND ND 12

23:10 ND ND 9.6

23:20 ND ND 12

23:30 ND ND 13

23:40 ND ND 14

23:50 ND ND 14

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	8.4
00:10	ND	ND	8.9
00:20	ND	ND	9.7
00:30	ND	ND	11
00:40	ND	ND	12
00:50	ND	ND	10
01:00	ND	ND	10
01:10	ND	ND	9.3
01:20	ND	ND	10
01:30	ND	ND	9.9
01:40	ND	ND	12
01:50	ND	ND	13
02:00	ND	ND	14
02:10	ND	ND	15
02:20	ND	ND	13
02:30	ND	ND	11
02:40	ND	ND	12
02:50	ND	ND	15
03:00	ND	ND	15
03:10	ND	ND	17
03:20	ND	ND	19
03:30	ND	ND	21
03:40	ND	ND	20
03:50	ND	ND	20
04:00	ND	ND	20
04:10	ND	ND	17
04:20	ND	ND	16
04:30	ND	ND	17
04:40	ND	ND	18
04:50	ND	ND	19
05:00	ND	ND	22
05:10	ND	ND	25
05:20	ND	ND	26
05:30	ND	ND	26
05:40	ND	ND	23
05:50	ND	ND	21
06:00	ND	ND	17
06:10	ND	ND	15
06:20	ND	ND	15
06:30	ND	ND	14
06:40	ND	ND	17
06:50	ND	ND	16
07:00	ND	ND	19
07:10	ND	ND	19
07:20	ND	ND	16
07:30	ND	ND	16
07:40	ND	ND	13
07:50	ND	ND	14
08:00	ND	ND	12
08:10	ND	ND	12
08:20	ND	ND	12
08:30	ND	ND	13
08:40	ND	ND	14
08:50	ND	ND	14
09:00	ND	ND	13
09:10	ND	ND	13
09:20	ND	ND	14
09:30	ND	ND	13
09:40	ND	ND	14
09:50	ND	ND	14
10:00	ND	ND	14
10:10	ND	ND	17
10:20	ND	ND	17
10:30	ND	ND	17
10:40	ND	ND	16
10:50	ND	ND	16
11:00	ND	ND	16
11:10	ND	ND	16
11:20	ND	ND	15
11:30	ND	ND	14
11:40	ND	ND	13
11:50	ND	ND	15
12:00	ND	ND	16
12:10	ND	ND	16
12:20	ND	ND	18
12:30	ND	ND	19
12:40	ND	ND	20
12:50	ND	ND	17
13:00	ND	ND	18
13:10	ND	ND	18
13:20	ND	ND	18
13:30	ND	ND	20
13:40	ND	ND	20
13:50	ND	ND	20
14:00	ND	ND	19
14:10	ND	ND	18
14:20	ND	ND	18
14:30	ND	ND	17
14:40	ND	ND	17
14:50	ND	ND	18
15:00	ND	ND	17
15:10	ND	ND	19
15:20	ND	ND	18
15:30	ND	ND	17
15:40	ND	ND	16
15:50	ND	ND	16
16:00	ND	ND	16
16:10	ND	ND	12
16:20	ND	ND	13
16:30	ND	ND	14
16:40	ND	ND	16
16:50	ND	ND	15
17:00	ND	ND	16
17:10	ND	ND	19
17:20	ND	ND	18
17:30	ND	ND	17
17:40	ND	ND	16
17:50	ND	ND	17
18:00	ND	ND	17
18:10	ND	ND	17
18:20	ND	ND	17
18:30	ND	ND	16
18:40	ND	ND	16
18:50	ND	ND	14
19:00	ND	ND	13
19:10	ND	ND	12
19:20	ND	ND	11
19:30	ND	ND	13
19:40	ND	ND	13
19:50	ND	ND	12
20:00	ND	ND	13
20:10	ND	ND	13
20:20	ND	ND	12
20:30	ND	ND	12
20:40	ND	ND	11
20:50	ND	ND	12
21:00	ND	ND	11
21:10	ND	ND	10
21:20	ND	ND	11
21:30	ND	ND	9.6
21:40	ND	ND	11
21:50	ND	ND	9.5
22:00	ND	ND	9.9
22:10	ND	ND	12
22:20	ND	ND	11
22:30	ND	ND	13
22:40	ND	ND	12
22:50	ND	ND	13
23:00	ND	ND	12
23:10	ND	ND	9.6
23:20	ND	ND	12
23:30	ND	ND	13
23:40	ND	ND	14
23:50	ND	ND	14