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 18

00:10 ND ND 17

00:20 ND ND 17

00:30 ND ND 15

00:40 ND ND 18

00:50 ND ND 18

01:00 ND ND 17

01:10 ND ND 17

01:20 ND ND 20

01:30 ND ND 19

01:40 ND ND 16

01:50 ND ND 16

02:00 ND ND 16

02:10 ND ND 17

02:20 ND ND 15

02:30 ND ND 14

02:40 ND ND 14

02:50 ND ND 15

03:00 ND ND 14

03:10 ND ND 14

03:20 ND ND 16

03:30 ND ND 18

03:40 ND ND 20

03:50 ND ND 18

04:00 ND ND 20

04:10 ND ND 22

04:20 ND ND 21

04:30 ND ND 17

04:40 ND ND 17

04:50 ND ND 17

05:00 ND ND 20

05:10 ND ND 20

05:20 ND ND 20

05:30 ND ND 22

05:40 ND ND 22

05:50 ND ND 23

06:00 ND ND 21

06:10 ND ND 21

06:20 ND ND 22

06:30 ND ND 24

06:40 ND ND 24

06:50 ND ND 23

07:00 ND ND 23

07:10 ND ND 22

07:20 ND ND 21

07:30 ND ND 21

07:40 ND ND 19

07:50 ND ND 18

08:00 ND ND 19

08:10 ND ND 20

08:20 ND ND 20

08:30 ND ND 19

08:40 ND ND 23

08:50 ND ND 22

09:00 ND ND 21

09:10 ND ND 19

09:20 ND ND 21

09:30 ND ND 22

09:40 ND ND 21

09:50 ND ND 23

10:00 ND ND 24

10:10 ND ND 22

10:20 ND ND 22

10:30 ND ND 22

10:40 ND ND 21

10:50 ND ND 20

11:00 ND ND 19

11:10 ND ND 21

11:20 ND ND 20

11:30 ND ND 17

11:40 ND ND 16

11:50 ND ND 16

12:00 ND ND 17

12:10 ND ND 17

12:20 ND ND 17

12:30 ND ND 20

12:40 ND ND 22

12:50 ND ND 21

13:00 ND ND 21

13:10 ND ND 22

13:20 ND ND 23

13:30 ND ND 21

13:40 ND ND 19

13:50 ND ND 19

14:00 ND ND 16

14:10 ND ND 15

14:20 ND ND 16

14:30 ND ND 15

14:40 ND ND 16

14:50 ND ND 18

15:00 ND ND 17

15:10 ND ND 18

15:20 ND ND 17

15:30 ND ND 20

15:40 ND ND 19

15:50 ND ND 19

16:00 ND ND 22

16:10 ND ND 22

16:20 ND ND 22

16:30 ND ND 19

16:40 ND ND 18

16:50 ND ND 20

17:00 ND ND 22

17:10 ND ND 23

17:20 ND ND 23

17:30 ND ND 26

17:40 ND ND 28

17:50 ND ND 26

18:00 ND ND 25

18:10 ND ND 22

18:20 ND ND 24

18:30 ND ND 24

18:40 ND ND 22

18:50 ND ND 21

19:00 ND ND 21

19:10 ND ND 22

19:20 ND ND 19

19:30 ND ND 15

19:40 ND ND 13

19:50 ND ND 15

20:00 ND ND 12

20:10 ND ND 10

20:20 ND ND 13

20:30 ND ND 13

20:40 ND ND 15

20:50 ND ND 15

21:00 ND ND 14

21:10 ND ND 16

21:20 ND ND 14

21:30 ND ND 16

21:40 ND ND 18

21:50 ND ND 18

22:00 ND ND 19

22:10 ND ND 19

22:20 ND ND 20

22:30 ND ND 21

22:40 ND ND 20

22:50 ND ND 20

23:00 ND ND 19

23:10 ND ND 17

23:20 ND ND 16

23:30 ND ND 15

23:40 ND ND 16

23:50 ND ND 14

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