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03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 14

00:30 ND ND 16

00:40 ND ND 15

00:50 ND ND 14

01:00 ND ND 15

01:10 ND ND 19

01:20 ND ND 21

01:30 ND ND 22

01:40 ND ND 23

01:50 ND ND 24

02:00 ND ND 26

02:10 ND ND 26

02:20 ND ND 27

02:30 ND ND 26

02:40 ND ND 28

02:50 ND ND 27

03:00 ND ND 24

03:10 ND ND 22

03:20 ND ND 20

03:30 ND ND 20

03:40 ND ND 19

03:50 ND ND 16

04:00 ND ND 13

04:10 ND ND 13

04:20 ND ND 13

04:30 ND ND 13

04:40 ND ND 11

04:50 ND ND 14

05:00 ND ND 16

05:10 ND ND 14

05:20 ND ND 17

05:30 ND ND 16

05:40 ND ND 19

05:50 ND ND 18

06:00 ND ND 17

06:10 ND ND 18

06:20 ND ND 17

06:30 ND ND 18

06:40 ND ND 17

06:50 ND ND 18

07:00 ND ND 17

07:10 ND ND 18

07:20 ND ND 18

07:30 ND ND 19

07:40 ND ND 18

07:50 ND ND 20

08:00 ND ND 22

08:10 ND ND 21

08:20 ND ND 20

08:30 ND ND 19

08:40 ND ND 18

08:50 ND ND 19

09:00 ND ND 20

09:10 ND ND 21

09:20 ND ND 23

09:30 ND ND 23

09:40 ND ND 21

09:50 ND ND 19

10:00 ND ND 17

10:10 ND ND 17

10:20 ND ND 20

10:30 ND ND 19

10:40 ND ND 19

10:50 ND ND 20

11:00 ND ND 22

11:10 ND ND 22

11:20 ND ND 16

11:30 ND ND 14

11:40 ND ND 14

11:50 ND ND 16

12:00 ND ND 16

12:10 ND ND 13

12:20 ND ND 18

12:30 ND ND 19

12:40 ND ND 20

12:50 ND ND 19

13:00 ND ND 20

13:10 ND ND 23

13:20 ND ND 23

13:30 ND ND 23

13:40 ND ND 23

13:50 ND ND 22

14:00 ND ND 19

14:10 ND ND 17

14:20 ND ND 16

14:30 ND ND 19

14:40 ND ND 18

14:50 ND ND 18

15:00 ND ND 18

15:10 ND ND 21

15:20 ND ND 17

15:30 ND ND 14

15:40 ND ND 13

15:50 ND ND 14

16:00 ND ND 15

16:10 ND ND 15

16:20 ND ND 14

16:30 ND ND 14

16:40 ND ND 15

16:50 ND ND 16

17:00 ND ND 15

17:10 ND ND 15

17:20 ND ND 17

17:30 ND ND 18

17:40 ND ND 20

17:50 ND ND 22

18:00 ND ND 20

18:10 ND ND 20

18:20 ND ND 20

18:30 ND ND 22

18:40 ND ND 21

18:50 ND ND 19

19:00 ND ND 21

19:10 ND ND 20

19:20 ND ND 19

19:30 ND ND 19

19:40 ND ND 19

19:50 ND ND 20

20:00 ND ND 22

20:10 ND ND 19

20:20 ND ND 22

20:30 ND ND 21

20:40 ND ND 20

20:50 ND ND 18

21:00 ND ND 16

21:10 ND ND 17

21:20 ND ND 15

21:30 ND ND 17

21:40 ND ND 20

21:50 ND ND 20

22:00 ND ND 21

22:10 ND ND 22

22:20 ND ND 22

22:30 ND ND 22

22:40 ND ND 23

22:50 ND ND 22

23:00 ND ND 22

23:10 ND ND 23

23:20 ND ND 24

23:30 ND ND 22

23:40 ND ND 19

23:50 ND ND 21

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