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14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 23

00:10 ND ND 22

00:20 ND ND 21

00:30 ND ND 17

00:40 ND ND 17

00:50 ND ND 17

01:00 ND ND 18

01:10 ND ND 21

01:20 ND ND 25

01:30 ND ND 26

01:40 ND ND 24

01:50 ND ND 27

02:00 ND ND 26

02:10 ND ND 24

02:20 ND ND 21

02:30 ND ND 20

02:40 ND ND 19

02:50 ND ND 17

03:00 ND ND 16

03:10 ND ND 17

03:20 ND ND 18

03:30 ND ND 18

03:40 ND ND 20

03:50 ND ND 19

04:00 ND ND 20

04:10 ND ND 20

04:20 ND ND 20

04:30 ND ND 20

04:40 ND ND 17

04:50 ND ND 16

05:00 ND ND 17

05:10 ND ND 16

05:20 ND ND 17

05:30 ND ND 16

05:40 ND ND 19

05:50 ND ND 20

06:00 ND ND 18

06:10 ND ND 18

06:20 ND ND 19

06:30 ND ND 22

06:40 ND ND 22

06:50 ND ND 23

07:00 ND ND 24

07:10 ND ND 25

07:20 ND ND 22

07:30 ND ND 19

07:40 ND ND 19

07:50 ND ND 18

08:00 ND ND 16

08:10 ND ND 14

08:20 ND ND 15

08:30 ND ND 13

08:40 ND ND 15

08:50 ND ND 16

09:00 ND ND 16

09:10 ND ND 20

09:20 ND ND 18

09:30 ND ND 19

09:40 ND ND 18

09:50 ND ND 18

10:00 ND ND 20

10:10 ND ND 17

10:20 ND ND 19

10:30 ND ND 20

10:40 ND ND 20

10:50 ND ND 19

11:00 ND ND 17

11:10 ND ND 19

11:20 ND ND 18

11:30 ND ND 20

11:40 ND ND 18

11:50 ND ND 19

12:00 ND ND 20

12:10 ND ND 18

12:20 ND ND 18

12:30 ND ND 20

12:40 ND ND 23

12:50 ND ND 22

13:00 ND ND 21

13:10 ND ND 23

13:20 ND ND 23

13:30 ND ND 21

13:40 ND ND 20

13:50 ND ND 23

14:00 ND ND 25

14:10 ND ND 23

14:20 ND ND 24

14:30 ND ND 24

14:40 ND ND 24

14:50 ND ND 22

15:00 ND ND 19

15:10 ND ND 18

15:20 ND ND 20

15:30 ND ND 20

15:40 ND ND 18

15:50 ND ND 16

16:00 ND ND 18

16:10 ND ND 18

16:20 ND ND 16

16:30 ND ND 17

16:40 ND ND 17

16:50 ND ND 18

17:00 ND ND 18

17:10 ND ND 20

17:20 ND ND 20

17:30 - - -

17:40 - - -

17:50 - - -

18:00 - - -

18:10 - - -

18:20 - - -

18:30 ND ND 16

18:40 ND ND 17

18:50 ND ND 18

19:00 ND ND 18

19:10 ND ND 18

19:20 ND ND 17

19:30 ND ND 18

19:40 ND ND 16

19:50 ND ND 18

20:00 ND ND 18

20:10 ND ND 19

20:20 ND ND 18

20:30 ND ND 17

20:40 ND ND 16

20:50 ND ND 16

21:00 ND ND 15

21:10 ND ND 13

21:20 ND ND 15

21:30 ND ND 18

21:40 ND ND 19

21:50 ND ND 20

22:00 ND ND 17

22:10 ND ND 18

22:20 ND ND 17

22:30 ND ND 14

22:40 ND ND 15

22:50 ND ND 16

23:00 ND ND 17

23:10 ND ND 20

23:20 ND ND 21

23:30 ND ND 25

23:40 ND ND 22

23:50 ND ND 21

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	23
00:10	ND	ND	22
00:20	ND	ND	21
00:30	ND	ND	17
00:40	ND	ND	17
00:50	ND	ND	17
01:00	ND	ND	18
01:10	ND	ND	21
01:20	ND	ND	25
01:30	ND	ND	26
01:40	ND	ND	24
01:50	ND	ND	27
02:00	ND	ND	26
02:10	ND	ND	24
02:20	ND	ND	21
02:30	ND	ND	20
02:40	ND	ND	19
02:50	ND	ND	17
03:00	ND	ND	16
03:10	ND	ND	17
03:20	ND	ND	18
03:30	ND	ND	18
03:40	ND	ND	20
03:50	ND	ND	19
04:00	ND	ND	20
04:10	ND	ND	20
04:20	ND	ND	20
04:30	ND	ND	20
04:40	ND	ND	17
04:50	ND	ND	16
05:00	ND	ND	17
05:10	ND	ND	16
05:20	ND	ND	17
05:30	ND	ND	16
05:40	ND	ND	19
05:50	ND	ND	20
06:00	ND	ND	18
06:10	ND	ND	18
06:20	ND	ND	19
06:30	ND	ND	22
06:40	ND	ND	22
06:50	ND	ND	23
07:00	ND	ND	24
07:10	ND	ND	25
07:20	ND	ND	22
07:30	ND	ND	19
07:40	ND	ND	19
07:50	ND	ND	18
08:00	ND	ND	16
08:10	ND	ND	14
08:20	ND	ND	15
08:30	ND	ND	13
08:40	ND	ND	15
08:50	ND	ND	16
09:00	ND	ND	16
09:10	ND	ND	20
09:20	ND	ND	18
09:30	ND	ND	19
09:40	ND	ND	18
09:50	ND	ND	18
10:00	ND	ND	20
10:10	ND	ND	17
10:20	ND	ND	19
10:30	ND	ND	20
10:40	ND	ND	20
10:50	ND	ND	19
11:00	ND	ND	17
11:10	ND	ND	19
11:20	ND	ND	18
11:30	ND	ND	20
11:40	ND	ND	18
11:50	ND	ND	19
12:00	ND	ND	20
12:10	ND	ND	18
12:20	ND	ND	18
12:30	ND	ND	20
12:40	ND	ND	23
12:50	ND	ND	22
13:00	ND	ND	21
13:10	ND	ND	23
13:20	ND	ND	23
13:30	ND	ND	21
13:40	ND	ND	20
13:50	ND	ND	23
14:00	ND	ND	25
14:10	ND	ND	23
14:20	ND	ND	24
14:30	ND	ND	24
14:40	ND	ND	24
14:50	ND	ND	22
15:00	ND	ND	19
15:10	ND	ND	18
15:20	ND	ND	20
15:30	ND	ND	20
15:40	ND	ND	18
15:50	ND	ND	16
16:00	ND	ND	18
16:10	ND	ND	18
16:20	ND	ND	16
16:30	ND	ND	17
16:40	ND	ND	17
16:50	ND	ND	18
17:00	ND	ND	18
17:10	ND	ND	20
17:20	ND	ND	20
17:30	-	-	-
17:40	-	-	-
17:50	-	-	-
18:00	-	-	-
18:10	-	-	-
18:20	-	-	-
18:30	ND	ND	16
18:40	ND	ND	17
18:50	ND	ND	18
19:00	ND	ND	18
19:10	ND	ND	18
19:20	ND	ND	17
19:30	ND	ND	18
19:40	ND	ND	16
19:50	ND	ND	18
20:00	ND	ND	18
20:10	ND	ND	19
20:20	ND	ND	18
20:30	ND	ND	17
20:40	ND	ND	16
20:50	ND	ND	16
21:00	ND	ND	15
21:10	ND	ND	13
21:20	ND	ND	15
21:30	ND	ND	18
21:40	ND	ND	19
21:50	ND	ND	20
22:00	ND	ND	17
22:10	ND	ND	18
22:20	ND	ND	17
22:30	ND	ND	14
22:40	ND	ND	15
22:50	ND	ND	16
23:00	ND	ND	17
23:10	ND	ND	20
23:20	ND	ND	21
23:30	ND	ND	25
23:40	ND	ND	22
23:50	ND	ND	21