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05月15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 22

00:10 ND ND 19

00:20 ND ND 19

00:30 ND ND 15

00:40 ND ND 16

00:50 ND ND 16

01:00 ND ND 17

01:10 ND ND 15

01:20 ND ND 14

01:30 ND ND 15

01:40 ND ND 13

01:50 ND ND 13

02:00 ND ND 12

02:10 ND ND 13

02:20 ND ND 14

02:30 ND ND 12

02:40 ND ND 14

02:50 ND ND 14

03:00 ND ND 15

03:10 ND ND 17

03:20 ND ND 17

03:30 ND ND 22

03:40 ND ND 23

03:50 ND ND 23

04:00 ND ND 21

04:10 ND ND 22

04:20 ND ND 22

04:30 ND ND 21

04:40 ND ND 20

04:50 ND ND 20

05:00 ND ND 20

05:10 ND ND 18

05:20 ND ND 18

05:30 ND ND 16

05:40 ND ND 18

05:50 ND ND 17

06:00 ND ND 17

06:10 ND ND 19

06:20 ND ND 17

06:30 ND ND 20

06:40 ND ND 20

06:50 ND ND 21

07:00 ND ND 23

07:10 ND ND 21

07:20 ND ND 21

07:30 ND ND 18

07:40 ND ND 15

07:50 ND ND 13

08:00 ND ND 13

08:10 ND ND 14

08:20 ND ND 14

08:30 ND ND 14

08:40 ND ND 15

08:50 ND ND 15

09:00 ND ND 11

09:10 ND ND 12

09:20 ND ND 15

09:30 ND ND 15

09:40 ND ND 16

09:50 ND ND 20

10:00 ND ND 21

10:10 ND ND 22

10:20 ND ND 19

10:30 ND ND 22

10:40 ND ND 19

10:50 ND ND 18

11:00 ND ND 18

11:10 ND ND 16

11:20 ND ND 15

11:30 ND ND 14

11:40 ND ND 15

11:50 ND ND 14

12:00 ND ND 14

12:10 ND ND 14

12:20 ND ND 16

12:30 ND ND 14

12:40 ND ND 14

12:50 ND ND 16

13:00 ND ND 18

13:10 ND ND 20

13:20 ND ND 18

13:30 ND ND 18

13:40 ND ND 20

13:50 ND ND 20

14:00 ND ND 18

14:10 ND ND 17

14:20 ND ND 19

14:30 ND ND 19

14:40 ND ND 16

14:50 ND ND 16

15:00 ND ND 16

15:10 ND ND 16

15:20 ND ND 13

15:30 ND ND 13

15:40 ND ND 14

15:50 ND ND 16

16:00 ND ND 15

16:10 ND ND 16

16:20 ND ND 16

16:30 ND ND 17

16:40 ND ND 17

16:50 ND ND 12

17:00 ND ND 12

17:10 ND ND 14

17:20 ND ND 16

17:30 ND ND 14

17:40 ND ND 15

17:50 ND ND 18

18:00 ND ND 19

18:10 ND ND 17

18:20 ND ND 13

18:30 ND ND 13

18:40 ND ND 15

18:50 ND ND 17

19:00 ND ND 17

19:10 ND ND 17

19:20 ND ND 18

19:30 ND ND 19

19:40 ND ND 16

19:50 ND ND 13

20:00 ND ND 12

20:10 ND ND 14

20:20 ND ND 14

20:30 ND ND 12

20:40 ND ND 12

20:50 ND ND 12

21:00 ND ND 13

21:10 ND ND 11

21:20 ND ND 14

21:30 ND ND 17

21:40 ND ND 17

21:50 ND ND 15

22:00 ND ND 16

22:10 ND ND 16

22:20 ND ND 15

22:30 ND ND 15

22:40 ND ND 15

22:50 ND ND 17

23:00 ND ND 15

23:10 ND ND 15

23:20 ND ND 15

23:30 ND ND 14

23:40 ND ND 15

23:50 ND ND 16

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