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03月23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 12

00:10 ND ND 13

00:20 ND ND 16

00:30 ND ND 18

00:40 ND ND 18

00:50 ND ND 21

01:00 ND ND 23

01:10 ND ND 24

01:20 ND ND 28

01:30 ND ND 27

01:40 ND ND 28

01:50 ND ND 27

02:00 ND ND 25

02:10 ND ND 25

02:20 ND ND 20

02:30 ND ND 22

02:40 ND ND 23

02:50 ND ND 22

03:00 ND ND 25

03:10 ND ND 22

03:20 ND ND 21

03:30 ND ND 19

03:40 ND ND 19

03:50 ND ND 17

04:00 ND ND 13

04:10 ND ND 15

04:20 ND ND 17

04:30 ND ND 17

04:40 ND ND 18

04:50 ND ND 21

05:00 ND ND 23

05:10 ND ND 19

05:20 ND ND 17

05:30 ND ND 17

05:40 ND ND 16

05:50 ND ND 15

06:00 ND ND 12

06:10 ND ND 16

06:20 ND ND 19

06:30 ND ND 18

06:40 ND ND 16

06:50 ND ND 16

07:00 ND ND 18

07:10 ND ND 18

07:20 ND ND 19

07:30 ND ND 21

07:40 ND ND 21

07:50 ND ND 21

08:00 ND ND 22

08:10 ND ND 22

08:20 ND ND 20

08:30 ND ND 19

08:40 ND ND 21

08:50 ND ND 22

09:00 ND ND 20

09:10 ND ND 21

09:20 ND ND 22

09:30 ND ND 23

09:40 ND ND 21

09:50 ND ND 23

10:00 ND ND 22

10:10 ND ND 20

10:20 ND ND 19

10:30 ND ND 19

10:40 ND ND 20

10:50 ND ND 17

11:00 ND ND 15

11:10 ND ND 17

11:20 ND ND 17

11:30 ND ND 15

11:40 ND ND 16

11:50 ND ND 17

12:00 ND ND 20

12:10 ND ND 19

12:20 ND ND 19

12:30 ND ND 18

12:40 ND ND 17

12:50 ND ND 16

13:00 ND ND 17

13:10 ND ND 18

13:20 ND ND 19

13:30 ND ND 21

13:40 ND ND 23

13:50 ND ND 23

14:00 ND ND 25

14:10 ND ND 24

14:20 ND ND 24

14:30 ND ND 21

14:40 ND ND 20

14:50 ND ND 20

15:00 ND ND 18

15:10 ND ND 18

15:20 ND ND 17

15:30 ND ND 19

15:40 ND ND 21

15:50 ND ND 19

16:00 ND ND 20

16:10 ND ND 18

16:20 ND ND 19

16:30 ND ND 18

16:40 ND ND 17

16:50 ND ND 19

17:00 ND ND 20

17:10 ND ND 22

17:20 ND ND 22

17:30 ND ND 23

17:40 ND ND 22

17:50 ND ND 20

18:00 ND ND 19

18:10 ND ND 18

18:20 ND ND 18

18:30 ND ND 17

18:40 ND ND 19

18:50 ND ND 21

19:00 ND ND 22

19:10 ND ND 22

19:20 ND ND 23

19:30 ND ND 25

19:40 ND ND 25

19:50 ND ND 24

20:00 ND ND 23

20:10 ND ND 22

20:20 ND ND 20

20:30 ND ND 20

20:40 ND ND 20

20:50 ND ND 20

21:00 ND ND 19

21:10 ND ND 20

21:20 ND ND 18

21:30 ND ND 17

21:40 ND ND 14

21:50 ND ND 14

22:00 ND ND 15

22:10 ND ND 16

22:20 ND ND 18

22:30 ND ND 16

22:40 ND ND 18

22:50 ND ND 18

23:00 ND ND 17

23:10 ND ND 17

23:20 ND ND 16

23:30 ND ND 20

23:40 ND ND 19

23:50 ND ND 22

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