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：2025年12月18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 16

00:20 ND ND 18

00:30 ND ND 18

00:40 ND ND 19

00:50 ND ND 19

01:00 ND ND 19

01:10 ND ND 15

01:20 ND ND 14

01:30 ND ND 14

01:40 ND ND 13

01:50 ND ND 12

02:00 ND ND 12

02:10 ND ND 14

02:20 ND ND 14

02:30 ND ND 12

02:40 ND ND 14

02:50 ND ND 19

03:00 ND ND 19

03:10 ND ND 18

03:20 ND ND 18

03:30 ND ND 21

03:40 ND ND 20

03:50 ND ND 18

04:00 ND ND 21

04:10 ND ND 20

04:20 ND ND 21

04:30 ND ND 20

04:40 ND ND 22

04:50 ND ND 20

05:00 ND ND 18

05:10 ND ND 17

05:20 ND ND 17

05:30 ND ND 16

05:40 ND ND 15

05:50 ND ND 16

06:00 ND ND 18

06:10 ND ND 18

06:20 ND ND 18

06:30 ND ND 19

06:40 ND ND 16

06:50 ND ND 15

07:00 ND ND 15

07:10 ND ND 14

07:20 ND ND 15

07:30 ND ND 13

07:40 ND ND 16

07:50 ND ND 14

08:00 ND ND 14

08:10 ND ND 15

08:20 ND ND 13

08:30 ND ND 14

08:40 ND ND 12

08:50 ND ND 12

09:00 ND ND 14

09:10 ND ND 13

09:20 ND ND 12

09:30 ND ND 13

09:40 ND ND 15

09:50 ND ND 16

10:00 ND ND 15

10:10 ND ND 15

10:20 ND ND 14

10:30 ND ND 15

10:40 ND ND 16

10:50 ND ND 15

11:00 ND ND 16

11:10 ND ND 17

11:20 ND ND 22

11:30 ND ND 21

11:40 ND ND 19

11:50 ND ND 19

12:00 ND ND 16

12:10 ND ND 15

12:20 ND ND 15

12:30 ND ND 15

12:40 ND ND 15

12:50 ND ND 13

13:00 ND ND 15

13:10 ND ND 17

13:20 ND ND 16

13:30 ND ND 18

13:40 ND ND 17

13:50 ND ND 20

14:00 ND ND 21

14:10 ND ND 20

14:20 ND ND 21

14:30 ND ND 20

14:40 ND ND 19

14:50 ND ND 20

15:00 ND ND 20

15:10 ND ND 20

15:20 ND ND 20

15:30 ND ND 20

15:40 ND ND 20

15:50 ND ND 19

16:00 ND ND 14

16:10 ND ND 15

16:20 ND ND 13

16:30 ND ND 9.9

16:40 ND ND 12

16:50 ND ND 11

17:00 ND ND 15

17:10 ND ND 14

17:20 ND ND 16

17:30 ND ND 18

17:40 ND ND 16

17:50 ND ND 16

18:00 ND ND 16

18:10 ND ND 15

18:20 ND ND 17

18:30 ND ND 16

18:40 ND ND 17

18:50 ND ND 19

19:00 ND ND 18

19:10 ND ND 19

19:20 ND ND 16

19:30 ND ND 16

19:40 ND ND 16

19:50 ND ND 16

20:00 ND ND 14

20:10 ND ND 14

20:20 ND ND 14

20:30 ND ND 15

20:40 ND ND 14

20:50 ND ND 12

21:00 ND ND 11

21:10 ND ND 11

21:20 ND ND 12

21:30 ND ND 12

21:40 ND ND 12

21:50 ND ND 14

22:00 ND ND 14

22:10 ND ND 15

22:20 ND ND 16

22:30 ND ND 17

22:40 ND ND 18

22:50 ND ND 18

23:00 ND ND 18

23:10 ND ND 17

23:20 ND ND 18

23:30 ND ND 15

23:40 ND ND 14

23:50 ND ND 16

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