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）

○お知らせ

○計測値一覧：2026年05月02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 21

00:10 ND ND 22

00:20 ND ND 24

00:30 ND ND 23

00:40 ND ND 21

00:50 ND ND 19

01:00 ND ND 19

01:10 ND ND 20

01:20 ND ND 22

01:30 ND ND 21

01:40 ND ND 23

01:50 ND ND 27

02:00 ND ND 30

02:10 ND ND 29

02:20 ND ND 28

02:30 ND ND 27

02:40 ND ND 28

02:50 ND ND 27

03:00 ND ND 26

03:10 ND ND 27

03:20 ND ND 29

03:30 ND ND 30

03:40 ND ND 28

03:50 ND ND 26

04:00 ND ND 25

04:10 ND ND 24

04:20 ND ND 23

04:30 ND ND 23

04:40 ND ND 24

04:50 ND ND 23

05:00 ND ND 24

05:10 ND ND 27

05:20 ND ND 27

05:30 ND ND 24

05:40 ND ND 25

05:50 ND ND 29

06:00 ND ND 29

06:10 ND ND 27

06:20 ND ND 27

06:30 ND ND 31

06:40 ND ND 29

06:50 ND ND 23

07:00 ND ND 23

07:10 ND ND 23

07:20 ND ND 21

07:30 ND ND 19

07:40 ND ND 19

07:50 ND ND 21

08:00 ND ND 18

08:10 ND ND 16

08:20 ND ND 18

08:30 ND ND 20

08:40 ND ND 20

08:50 ND ND 21

09:00 ND ND 26

09:10 ND ND 27

09:20 ND ND 28

09:30 ND ND 27

09:40 ND ND 27

09:50 ND ND 25

10:00 ND ND 24

10:10 ND ND 23

10:20 ND ND 21

10:30 ND ND 20

10:40 ND ND 20

10:50 ND ND 23

11:00 ND ND 22

11:10 ND ND 24

11:20 ND ND 25

11:30 ND ND 23

11:40 ND ND 21

11:50 ND ND 16

12:00 ND ND 16

12:10 ND ND 16

12:20 ND ND 17

12:30 ND ND 16

12:40 ND ND 17

12:50 ND ND 21

13:00 ND ND 21

13:10 ND ND 23

13:20 ND ND 21

13:30 ND ND 22

13:40 ND ND 21

13:50 ND ND 20

14:00 ND ND 20

14:10 ND ND 16

14:20 ND ND 16

14:30 ND ND 16

14:40 ND ND 17

14:50 ND ND 18

15:00 ND ND 19

15:10 ND ND 19

15:20 ND ND 22

15:30 ND ND 22

15:40 ND ND 23

15:50 ND ND 22

16:00 ND ND 20

16:10 ND ND 21

16:20 ND ND 18

16:30 ND ND 19

16:40 ND ND 20

16:50 ND ND 22

17:00 ND ND 21

17:10 ND ND 21

17:20 ND ND 25

17:30 ND ND 23

17:40 ND ND 22

17:50 ND ND 20

18:00 ND ND 21

18:10 ND ND 20

18:20 ND ND 17

18:30 ND ND 17

18:40 ND ND 17

18:50 ND ND 18

19:00 ND ND 17

19:10 ND ND 17

19:20 ND ND 18

19:30 ND ND 20

19:40 ND ND 19

19:50 ND ND 17

20:00 ND ND 19

20:10 ND ND 21

20:20 ND ND 23

20:30 ND ND 23

20:40 ND ND 24

20:50 ND ND 24

21:00 ND ND 24

21:10 ND ND 25

21:20 ND ND 23

21:30 ND ND 22

21:40 ND ND 21

21:50 ND ND 21

22:00 ND ND 23

22:10 ND ND 20

22:20 ND ND 18

22:30 ND ND 21

22:40 ND ND 22

22:50 ND ND 22

23:00 ND ND 20

23:10 ND ND 20

23:20 ND ND 22

23:30 ND ND 16

23:40 ND ND 17

23:50 ND ND 16

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	21
00:10	ND	ND	22
00:20	ND	ND	24
00:30	ND	ND	23
00:40	ND	ND	21
00:50	ND	ND	19
01:00	ND	ND	19
01:10	ND	ND	20
01:20	ND	ND	22
01:30	ND	ND	21
01:40	ND	ND	23
01:50	ND	ND	27
02:00	ND	ND	30
02:10	ND	ND	29
02:20	ND	ND	28
02:30	ND	ND	27
02:40	ND	ND	28
02:50	ND	ND	27
03:00	ND	ND	26
03:10	ND	ND	27
03:20	ND	ND	29
03:30	ND	ND	30
03:40	ND	ND	28
03:50	ND	ND	26
04:00	ND	ND	25
04:10	ND	ND	24
04:20	ND	ND	23
04:30	ND	ND	23
04:40	ND	ND	24
04:50	ND	ND	23
05:00	ND	ND	24
05:10	ND	ND	27
05:20	ND	ND	27
05:30	ND	ND	24
05:40	ND	ND	25
05:50	ND	ND	29
06:00	ND	ND	29
06:10	ND	ND	27
06:20	ND	ND	27
06:30	ND	ND	31
06:40	ND	ND	29
06:50	ND	ND	23
07:00	ND	ND	23
07:10	ND	ND	23
07:20	ND	ND	21
07:30	ND	ND	19
07:40	ND	ND	19
07:50	ND	ND	21
08:00	ND	ND	18
08:10	ND	ND	16
08:20	ND	ND	18
08:30	ND	ND	20
08:40	ND	ND	20
08:50	ND	ND	21
09:00	ND	ND	26
09:10	ND	ND	27
09:20	ND	ND	28
09:30	ND	ND	27
09:40	ND	ND	27
09:50	ND	ND	25
10:00	ND	ND	24
10:10	ND	ND	23
10:20	ND	ND	21
10:30	ND	ND	20
10:40	ND	ND	20
10:50	ND	ND	23
11:00	ND	ND	22
11:10	ND	ND	24
11:20	ND	ND	25
11:30	ND	ND	23
11:40	ND	ND	21
11:50	ND	ND	16
12:00	ND	ND	16
12:10	ND	ND	16
12:20	ND	ND	17
12:30	ND	ND	16
12:40	ND	ND	17
12:50	ND	ND	21
13:00	ND	ND	21
13:10	ND	ND	23
13:20	ND	ND	21
13:30	ND	ND	22
13:40	ND	ND	21
13:50	ND	ND	20
14:00	ND	ND	20
14:10	ND	ND	16
14:20	ND	ND	16
14:30	ND	ND	16
14:40	ND	ND	17
14:50	ND	ND	18
15:00	ND	ND	19
15:10	ND	ND	19
15:20	ND	ND	22
15:30	ND	ND	22
15:40	ND	ND	23
15:50	ND	ND	22
16:00	ND	ND	20
16:10	ND	ND	21
16:20	ND	ND	18
16:30	ND	ND	19
16:40	ND	ND	20
16:50	ND	ND	22
17:00	ND	ND	21
17:10	ND	ND	21
17:20	ND	ND	25
17:30	ND	ND	23
17:40	ND	ND	22
17:50	ND	ND	20
18:00	ND	ND	21
18:10	ND	ND	20
18:20	ND	ND	17
18:30	ND	ND	17
18:40	ND	ND	17
18:50	ND	ND	18
19:00	ND	ND	17
19:10	ND	ND	17
19:20	ND	ND	18
19:30	ND	ND	20
19:40	ND	ND	19
19:50	ND	ND	17
20:00	ND	ND	19
20:10	ND	ND	21
20:20	ND	ND	23
20:30	ND	ND	23
20:40	ND	ND	24
20:50	ND	ND	24
21:00	ND	ND	24
21:10	ND	ND	25
21:20	ND	ND	23
21:30	ND	ND	22
21:40	ND	ND	21
21:50	ND	ND	21
22:00	ND	ND	23
22:10	ND	ND	20
22:20	ND	ND	18
22:30	ND	ND	21
22:40	ND	ND	22
22:50	ND	ND	22
23:00	ND	ND	20
23:10	ND	ND	20
23:20	ND	ND	22
23:30	ND	ND	16
23:40	ND	ND	17
23:50	ND	ND	16