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25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 20

00:10 ND ND 22

00:20 ND ND 23

00:30 ND ND 23

00:40 ND ND 21

00:50 ND ND 19

01:00 ND ND 16

01:10 ND ND 19

01:20 ND ND 18

01:30 ND ND 18

01:40 ND ND 17

01:50 ND ND 19

02:00 ND ND 19

02:10 ND ND 16

02:20 ND ND 16

02:30 ND ND 16

02:40 ND ND 18

02:50 ND ND 15

03:00 ND ND 16

03:10 ND ND 18

03:20 ND ND 18

03:30 ND ND 18

03:40 ND ND 16

03:50 ND ND 19

04:00 ND ND 18

04:10 ND ND 17

04:20 ND ND 18

04:30 ND ND 21

04:40 ND ND 20

04:50 ND ND 20

05:00 ND ND 17

05:10 ND ND 19

05:20 ND ND 16

05:30 ND ND 14

05:40 ND ND 17

05:50 ND ND 18

06:00 ND ND 20

06:10 ND ND 19

06:20 ND ND 21

06:30 ND ND 23

06:40 ND ND 23

06:50 ND ND 19

07:00 ND ND 19

07:10 ND ND 18

07:20 ND ND 17

07:30 ND ND 16

07:40 ND ND 17

07:50 ND ND 21

08:00 ND ND 21

08:10 ND ND 20

08:20 ND ND 20

08:30 ND ND 19

08:40 ND ND 15

08:50 ND ND 12

09:00 ND ND 14

09:10 ND ND 14

09:20 ND ND 13

09:30 ND ND 13

09:40 ND ND 16

09:50 ND ND 15

10:00 ND ND 16

10:10 ND ND 17

10:20 ND ND 20

10:30 ND ND 20

10:40 ND ND 18

10:50 ND ND 20

11:00 ND ND 16

11:10 ND ND 16

11:20 ND ND 16

11:30 ND ND 18

11:40 ND ND 20

11:50 ND ND 21

12:00 ND ND 22

12:10 ND ND 24

12:20 ND ND 24

12:30 ND ND 23

12:40 ND ND 23

12:50 ND ND 21

13:00 ND ND 22

13:10 ND ND 20

13:20 ND ND 22

13:30 ND ND 20

13:40 ND ND 20

13:50 ND ND 21

14:00 ND ND 20

14:10 ND ND 21

14:20 ND ND 18

14:30 ND ND 17

14:40 ND ND 16

14:50 ND ND 17

15:00 ND ND 18

15:10 ND ND 17

15:20 - - -

15:30 - - -

15:40 ND ND 23

15:50 ND ND 23

16:00 ND ND 21

16:10 ND ND 20

16:20 ND ND 19

16:30 ND ND 18

16:40 ND ND 16

16:50 ND ND 15

17:00 ND ND 16

17:10 ND ND 15

17:20 ND ND 16

17:30 ND ND 16

17:40 ND ND 15

17:50 ND ND 16

18:00 ND ND 15

18:10 ND ND 16

18:20 ND ND 17

18:30 ND ND 16

18:40 ND ND 16

18:50 ND ND 15

19:00 ND ND 17

19:10 ND ND 16

19:20 ND ND 16

19:30 ND ND 18

19:40 ND ND 17

19:50 ND ND 18

20:00 ND ND 18

20:10 ND ND 18

20:20 ND ND 19

20:30 ND ND 18

20:40 ND ND 18

20:50 ND ND 18

21:00 ND ND 20

21:10 ND ND 20

21:20 ND ND 20

21:30 ND ND 22

21:40 ND ND 25

21:50 ND ND 26

22:00 ND ND 24

22:10 ND ND 23

22:20 ND ND 22

22:30 ND ND 21

22:40 ND ND 19

22:50 ND ND 19

23:00 ND ND 20

23:10 ND ND 22

23:20 ND ND 24

23:30 ND ND 22

23:40 ND ND 22

23:50 ND ND 21

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