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04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 18

00:10 ND ND 16

00:20 ND ND 16

00:30 ND ND 17

00:40 ND ND 19

00:50 ND ND 18

01:00 ND ND 20

01:10 ND ND 21

01:20 ND ND 21

01:30 ND ND 19

01:40 ND ND 20

01:50 ND ND 22

02:00 ND ND 19

02:10 ND ND 19

02:20 ND ND 18

02:30 ND ND 22

02:40 ND ND 22

02:50 ND ND 22

03:00 ND ND 27

03:10 ND ND 25

03:20 ND ND 26

03:30 ND ND 22

03:40 ND ND 20

03:50 ND ND 19

04:00 ND ND 17

04:10 ND ND 16

04:20 ND ND 14

04:30 ND ND 15

04:40 ND ND 17

04:50 ND ND 18

05:00 ND ND 19

05:10 ND ND 22

05:20 ND ND 23

05:30 ND ND 24

05:40 ND ND 23

05:50 ND ND 21

06:00 ND ND 19

06:10 ND ND 18

06:20 ND ND 18

06:30 ND ND 17

06:40 ND ND 17

06:50 ND ND 19

07:00 ND ND 18

07:10 ND ND 16

07:20 ND ND 16

07:30 ND ND 15

07:40 ND ND 18

07:50 ND ND 17

08:00 ND ND 20

08:10 ND ND 19

08:20 ND ND 21

08:30 ND ND 23

08:40 ND ND 19

08:50 ND ND 21

09:00 ND ND 20

09:10 ND ND 21

09:20 ND ND 22

09:30 ND ND 22

09:40 ND ND 24

09:50 ND ND 24

10:00 ND ND 24

10:10 ND ND 24

10:20 ND ND 23

10:30 ND ND 22

10:40 ND ND 21

10:50 ND ND 22

11:00 ND ND 25

11:10 ND ND 26

11:20 ND ND 24

11:30 ND ND 23

11:40 ND ND 23

11:50 ND ND 23

12:00 ND ND 23

12:10 ND ND 23

12:20 ND ND 25

12:30 ND ND 27

12:40 ND ND 28

12:50 ND ND 25

13:00 ND ND 22

13:10 ND ND 21

13:20 ND ND 21

13:30 ND ND 22

13:40 ND ND 21

13:50 ND ND 23

14:00 ND ND 23

14:10 ND ND 24

14:20 ND ND 22

14:30 ND ND 22

14:40 ND ND 23

14:50 ND ND 24

15:00 ND ND 26

15:10 ND ND 26

15:20 ND ND 28

15:30 ND ND 26

15:40 ND ND 24

15:50 ND ND 22

16:00 ND ND 20

16:10 ND ND 21

16:20 ND ND 20

16:30 ND ND 22

16:40 ND ND 24

16:50 ND ND 24

17:00 ND ND 27

17:10 ND ND 24

17:20 ND ND 25

17:30 ND ND 23

17:40 ND ND 22

17:50 ND ND 24

18:00 ND ND 23

18:10 ND ND 25

18:20 ND ND 25

18:30 ND ND 26

18:40 ND ND 25

18:50 ND ND 25

19:00 ND ND 23

19:10 ND ND 23

19:20 ND ND 22

19:30 ND ND 23

19:40 ND ND 24

19:50 ND ND 25

20:00 ND ND 25

20:10 ND ND 22

20:20 ND ND 24

20:30 ND ND 22

20:40 ND ND 22

20:50 ND ND 19

21:00 ND ND 19

21:10 ND ND 20

21:20 ND ND 19

21:30 ND ND 21

21:40 ND ND 22

21:50 ND ND 24

22:00 ND ND 22

22:10 ND ND 21

22:20 ND ND 23

22:30 ND ND 21

22:40 ND ND 18

22:50 ND ND 16

23:00 ND ND 19

23:10 ND ND 21

23:20 ND ND 21

23:30 ND ND 20

23:40 ND ND 24

23:50 ND ND 26

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	18
00:10	ND	ND	16
00:20	ND	ND	16
00:30	ND	ND	17
00:40	ND	ND	19
00:50	ND	ND	18
01:00	ND	ND	20
01:10	ND	ND	21
01:20	ND	ND	21
01:30	ND	ND	19
01:40	ND	ND	20
01:50	ND	ND	22
02:00	ND	ND	19
02:10	ND	ND	19
02:20	ND	ND	18
02:30	ND	ND	22
02:40	ND	ND	22
02:50	ND	ND	22
03:00	ND	ND	27
03:10	ND	ND	25
03:20	ND	ND	26
03:30	ND	ND	22
03:40	ND	ND	20
03:50	ND	ND	19
04:00	ND	ND	17
04:10	ND	ND	16
04:20	ND	ND	14
04:30	ND	ND	15
04:40	ND	ND	17
04:50	ND	ND	18
05:00	ND	ND	19
05:10	ND	ND	22
05:20	ND	ND	23
05:30	ND	ND	24
05:40	ND	ND	23
05:50	ND	ND	21
06:00	ND	ND	19
06:10	ND	ND	18
06:20	ND	ND	18
06:30	ND	ND	17
06:40	ND	ND	17
06:50	ND	ND	19
07:00	ND	ND	18
07:10	ND	ND	16
07:20	ND	ND	16
07:30	ND	ND	15
07:40	ND	ND	18
07:50	ND	ND	17
08:00	ND	ND	20
08:10	ND	ND	19
08:20	ND	ND	21
08:30	ND	ND	23
08:40	ND	ND	19
08:50	ND	ND	21
09:00	ND	ND	20
09:10	ND	ND	21
09:20	ND	ND	22
09:30	ND	ND	22
09:40	ND	ND	24
09:50	ND	ND	24
10:00	ND	ND	24
10:10	ND	ND	24
10:20	ND	ND	23
10:30	ND	ND	22
10:40	ND	ND	21
10:50	ND	ND	22
11:00	ND	ND	25
11:10	ND	ND	26
11:20	ND	ND	24
11:30	ND	ND	23
11:40	ND	ND	23
11:50	ND	ND	23
12:00	ND	ND	23
12:10	ND	ND	23
12:20	ND	ND	25
12:30	ND	ND	27
12:40	ND	ND	28
12:50	ND	ND	25
13:00	ND	ND	22
13:10	ND	ND	21
13:20	ND	ND	21
13:30	ND	ND	22
13:40	ND	ND	21
13:50	ND	ND	23
14:00	ND	ND	23
14:10	ND	ND	24
14:20	ND	ND	22
14:30	ND	ND	22
14:40	ND	ND	23
14:50	ND	ND	24
15:00	ND	ND	26
15:10	ND	ND	26
15:20	ND	ND	28
15:30	ND	ND	26
15:40	ND	ND	24
15:50	ND	ND	22
16:00	ND	ND	20
16:10	ND	ND	21
16:20	ND	ND	20
16:30	ND	ND	22
16:40	ND	ND	24
16:50	ND	ND	24
17:00	ND	ND	27
17:10	ND	ND	24
17:20	ND	ND	25
17:30	ND	ND	23
17:40	ND	ND	22
17:50	ND	ND	24
18:00	ND	ND	23
18:10	ND	ND	25
18:20	ND	ND	25
18:30	ND	ND	26
18:40	ND	ND	25
18:50	ND	ND	25
19:00	ND	ND	23
19:10	ND	ND	23
19:20	ND	ND	22
19:30	ND	ND	23
19:40	ND	ND	24
19:50	ND	ND	25
20:00	ND	ND	25
20:10	ND	ND	22
20:20	ND	ND	24
20:30	ND	ND	22
20:40	ND	ND	22
20:50	ND	ND	19
21:00	ND	ND	19
21:10	ND	ND	20
21:20	ND	ND	19
21:30	ND	ND	21
21:40	ND	ND	22
21:50	ND	ND	24
22:00	ND	ND	22
22:10	ND	ND	21
22:20	ND	ND	23
22:30	ND	ND	21
22:40	ND	ND	18
22:50	ND	ND	16
23:00	ND	ND	19
23:10	ND	ND	21
23:20	ND	ND	21
23:30	ND	ND	20
23:40	ND	ND	24
23:50	ND	ND	26