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03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 13

00:10 ND ND 13

00:20 ND ND 12

00:30 ND ND 13

00:40 ND ND 14

00:50 ND ND 14

01:00 ND ND 13

01:10 ND ND 14

01:20 ND ND 14

01:30 ND ND 14

01:40 ND ND 14

01:50 ND ND 14

02:00 ND ND 16

02:10 ND ND 12

02:20 ND ND 11

02:30 ND ND 12

02:40 ND ND 11

02:50 ND ND 13

03:00 ND ND 12

03:10 ND ND 14

03:20 ND ND 15

03:30 ND ND 14

03:40 ND ND 14

03:50 ND ND 15

04:00 ND ND 16

04:10 ND ND 17

04:20 ND ND 20

04:30 ND ND 20

04:40 ND ND 20

04:50 ND ND 17

05:00 ND ND 18

05:10 ND ND 18

05:20 ND ND 16

05:30 ND ND 16

05:40 ND ND 17

05:50 ND ND 18

06:00 ND ND 17

06:10 ND ND 17

06:20 ND ND 16

06:30 ND ND 15

06:40 ND ND 15

06:50 ND ND 16

07:00 ND ND 14

07:10 ND ND 12

07:20 ND ND 15

07:30 ND ND 15

07:40 ND ND 13

07:50 ND ND 13

08:00 ND ND 13

08:10 ND ND 12

08:20 ND ND 10

08:30 ND ND 14

08:40 ND ND 15

08:50 ND ND 17

09:00 ND ND 19

09:10 ND ND 19

09:20 ND ND 20

09:30 ND ND 18

09:40 ND ND 17

09:50 ND ND 15

10:00 ND ND 15

10:10 ND ND 18

10:20 ND ND 18

10:30 ND ND 18

10:40 ND ND 20

10:50 ND ND 20

11:00 ND ND 18

11:10 ND ND 16

11:20 ND ND 18

11:30 ND ND 17

11:40 ND ND 16

11:50 ND ND 15

12:00 ND ND 17

12:10 ND ND 17

12:20 ND ND 16

12:30 ND ND 15

12:40 ND ND 17

12:50 ND ND 18

13:00 ND ND 17

13:10 ND ND 16

13:20 ND ND 15

13:30 ND ND 17

13:40 ND ND 15

13:50 ND ND 14

14:00 ND ND 15

14:10 ND ND 15

14:20 ND ND 14

14:30 ND ND 14

14:40 ND ND 15

14:50 ND ND 18

15:00 ND ND 18

15:10 ND ND 19

15:20 ND ND 17

15:30 ND ND 17

15:40 ND ND 15

15:50 ND ND 13

16:00 ND ND 13

16:10 ND ND 11

16:20 ND ND 14

16:30 ND ND 14

16:40 ND ND 16

16:50 ND ND 13

17:00 ND ND 13

17:10 ND ND 14

17:20 ND ND 13

17:30 ND ND 15

17:40 ND ND 16

17:50 ND ND 20

18:00 ND ND 21

18:10 ND ND 21

18:20 ND ND 20

18:30 ND ND 18

18:40 ND ND 16

18:50 ND ND 11

19:00 ND ND 10

19:10 ND ND 9.2

19:20 ND ND 9.5

19:30 ND ND 8.6

19:40 ND ND 10

19:50 ND ND 13

20:00 ND ND 13

20:10 ND ND 13

20:20 ND ND 15

20:30 ND ND 18

20:40 ND ND 19

20:50 ND ND 20

21:00 ND ND 21

21:10 ND ND 23

21:20 ND ND 23

21:30 ND ND 20

21:40 ND ND 17

21:50 ND ND 15

22:00 ND ND 12

22:10 ND ND 12

22:20 ND ND 9.6

22:30 ND ND 12

22:40 ND ND 10

22:50 ND ND 11

23:00 ND ND 11

23:10 ND ND 11

23:20 ND ND 10

23:30 ND ND 10

23:40 ND ND 12

23:50 ND ND 12

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	13
00:10	ND	ND	13
00:20	ND	ND	12
00:30	ND	ND	13
00:40	ND	ND	14
00:50	ND	ND	14
01:00	ND	ND	13
01:10	ND	ND	14
01:20	ND	ND	14
01:30	ND	ND	14
01:40	ND	ND	14
01:50	ND	ND	14
02:00	ND	ND	16
02:10	ND	ND	12
02:20	ND	ND	11
02:30	ND	ND	12
02:40	ND	ND	11
02:50	ND	ND	13
03:00	ND	ND	12
03:10	ND	ND	14
03:20	ND	ND	15
03:30	ND	ND	14
03:40	ND	ND	14
03:50	ND	ND	15
04:00	ND	ND	16
04:10	ND	ND	17
04:20	ND	ND	20
04:30	ND	ND	20
04:40	ND	ND	20
04:50	ND	ND	17
05:00	ND	ND	18
05:10	ND	ND	18
05:20	ND	ND	16
05:30	ND	ND	16
05:40	ND	ND	17
05:50	ND	ND	18
06:00	ND	ND	17
06:10	ND	ND	17
06:20	ND	ND	16
06:30	ND	ND	15
06:40	ND	ND	15
06:50	ND	ND	16
07:00	ND	ND	14
07:10	ND	ND	12
07:20	ND	ND	15
07:30	ND	ND	15
07:40	ND	ND	13
07:50	ND	ND	13
08:00	ND	ND	13
08:10	ND	ND	12
08:20	ND	ND	10
08:30	ND	ND	14
08:40	ND	ND	15
08:50	ND	ND	17
09:00	ND	ND	19
09:10	ND	ND	19
09:20	ND	ND	20
09:30	ND	ND	18
09:40	ND	ND	17
09:50	ND	ND	15
10:00	ND	ND	15
10:10	ND	ND	18
10:20	ND	ND	18
10:30	ND	ND	18
10:40	ND	ND	20
10:50	ND	ND	20
11:00	ND	ND	18
11:10	ND	ND	16
11:20	ND	ND	18
11:30	ND	ND	17
11:40	ND	ND	16
11:50	ND	ND	15
12:00	ND	ND	17
12:10	ND	ND	17
12:20	ND	ND	16
12:30	ND	ND	15
12:40	ND	ND	17
12:50	ND	ND	18
13:00	ND	ND	17
13:10	ND	ND	16
13:20	ND	ND	15
13:30	ND	ND	17
13:40	ND	ND	15
13:50	ND	ND	14
14:00	ND	ND	15
14:10	ND	ND	15
14:20	ND	ND	14
14:30	ND	ND	14
14:40	ND	ND	15
14:50	ND	ND	18
15:00	ND	ND	18
15:10	ND	ND	19
15:20	ND	ND	17
15:30	ND	ND	17
15:40	ND	ND	15
15:50	ND	ND	13
16:00	ND	ND	13
16:10	ND	ND	11
16:20	ND	ND	14
16:30	ND	ND	14
16:40	ND	ND	16
16:50	ND	ND	13
17:00	ND	ND	13
17:10	ND	ND	14
17:20	ND	ND	13
17:30	ND	ND	15
17:40	ND	ND	16
17:50	ND	ND	20
18:00	ND	ND	21
18:10	ND	ND	21
18:20	ND	ND	20
18:30	ND	ND	18
18:40	ND	ND	16
18:50	ND	ND	11
19:00	ND	ND	10
19:10	ND	ND	9.2
19:20	ND	ND	9.5
19:30	ND	ND	8.6
19:40	ND	ND	10
19:50	ND	ND	13
20:00	ND	ND	13
20:10	ND	ND	13
20:20	ND	ND	15
20:30	ND	ND	18
20:40	ND	ND	19
20:50	ND	ND	20
21:00	ND	ND	21
21:10	ND	ND	23
21:20	ND	ND	23
21:30	ND	ND	20
21:40	ND	ND	17
21:50	ND	ND	15
22:00	ND	ND	12
22:10	ND	ND	12
22:20	ND	ND	9.6
22:30	ND	ND	12
22:40	ND	ND	10
22:50	ND	ND	11
23:00	ND	ND	11
23:10	ND	ND	11
23:20	ND	ND	10
23:30	ND	ND	10
23:40	ND	ND	12
23:50	ND	ND	12