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02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 17

00:10 ND ND 17

00:20 ND ND 16

00:30 ND ND 17

00:40 ND ND 17

00:50 ND ND 17

01:00 ND ND 14

01:10 ND ND 13

01:20 ND ND 13

01:30 ND ND 10

01:40 ND ND 11

01:50 ND ND 10

02:00 ND ND 13

02:10 ND ND 17

02:20 ND ND 18

02:30 ND ND 20

02:40 ND ND 18

02:50 ND ND 19

03:00 ND ND 20

03:10 ND ND 19

03:20 ND ND 21

03:30 ND ND 21

03:40 ND ND 23

03:50 ND ND 23

04:00 ND ND 22

04:10 ND ND 22

04:20 ND ND 21

04:30 ND ND 21

04:40 ND ND 22

04:50 ND ND 21

05:00 ND ND 19

05:10 ND ND 16

05:20 ND ND 14

05:30 ND ND 13

05:40 ND ND 12

05:50 ND ND 13

06:00 ND ND 12

06:10 ND ND 15

06:20 ND ND 16

06:30 ND ND 16

06:40 ND ND 17

06:50 ND ND 17

07:00 ND ND 18

07:10 ND ND 17

07:20 ND ND 16

07:30 ND ND 16

07:40 ND ND 13

07:50 ND ND 12

08:00 ND ND 9.2

08:10 ND ND 10

08:20 ND ND 10

08:30 ND ND 11

08:40 ND ND 14

08:50 ND ND 16

09:00 ND ND 19

09:10 ND ND 20

09:20 ND ND 21

09:30 ND ND 21

09:40 ND ND 18

09:50 ND ND 16

10:00 ND ND 17

10:10 ND ND 16

10:20 ND ND 15

10:30 ND ND 15

10:40 ND ND 15

10:50 ND ND 17

11:00 ND ND 16

11:10 ND ND 14

11:20 ND ND 13

11:30 ND ND 17

11:40 ND ND 17

11:50 ND ND 16

12:00 ND ND 15

12:10 ND ND 16

12:20 ND ND 17

12:30 ND ND 14

12:40 ND ND 16

12:50 ND ND 17

13:00 ND ND 16

13:10 ND ND 16

13:20 ND ND 15

13:30 ND ND 16

13:40 ND ND 14

13:50 ND ND 19

14:00 ND ND 20

14:10 ND ND 18

14:20 ND ND 21

14:30 ND ND 22

14:40 ND ND 22

14:50 ND ND 19

15:00 ND ND 20

15:10 ND ND 21

15:20 ND ND 19

15:30 ND ND 16

15:40 ND ND 17

15:50 ND ND 15

16:00 ND ND 14

16:10 ND ND 13

16:20 ND ND 15

16:30 ND ND 17

16:40 ND ND 16

16:50 ND ND 18

17:00 ND ND 21

17:10 ND ND 23

17:20 ND ND 23

17:30 ND ND 21

17:40 ND ND 20

17:50 ND ND 16

18:00 ND ND 15

18:10 ND ND 13

18:20 ND ND 12

18:30 ND ND 13

18:40 ND ND 15

18:50 ND ND 18

19:00 ND ND 18

19:10 ND ND 19

19:20 ND ND 19

19:30 ND ND 19

19:40 ND ND 16

19:50 ND ND 15

20:00 ND ND 15

20:10 ND ND 13

20:20 ND ND 13

20:30 ND ND 15

20:40 ND ND 16

20:50 ND ND 14

21:00 ND ND 13

21:10 ND ND 13

21:20 ND ND 12

21:30 ND ND 9.7

21:40 ND ND 11

21:50 ND ND 14

22:00 ND ND 14

22:10 ND ND 15

22:20 ND ND 16

22:30 ND ND 15

22:40 ND ND 15

22:50 ND ND 13

23:00 ND ND 13

23:10 ND ND 13

23:20 ND ND 14

23:30 ND ND 15

23:40 ND ND 13

23:50 ND ND 14

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	17
00:10	ND	ND	17
00:20	ND	ND	16
00:30	ND	ND	17
00:40	ND	ND	17
00:50	ND	ND	17
01:00	ND	ND	14
01:10	ND	ND	13
01:20	ND	ND	13
01:30	ND	ND	10
01:40	ND	ND	11
01:50	ND	ND	10
02:00	ND	ND	13
02:10	ND	ND	17
02:20	ND	ND	18
02:30	ND	ND	20
02:40	ND	ND	18
02:50	ND	ND	19
03:00	ND	ND	20
03:10	ND	ND	19
03:20	ND	ND	21
03:30	ND	ND	21
03:40	ND	ND	23
03:50	ND	ND	23
04:00	ND	ND	22
04:10	ND	ND	22
04:20	ND	ND	21
04:30	ND	ND	21
04:40	ND	ND	22
04:50	ND	ND	21
05:00	ND	ND	19
05:10	ND	ND	16
05:20	ND	ND	14
05:30	ND	ND	13
05:40	ND	ND	12
05:50	ND	ND	13
06:00	ND	ND	12
06:10	ND	ND	15
06:20	ND	ND	16
06:30	ND	ND	16
06:40	ND	ND	17
06:50	ND	ND	17
07:00	ND	ND	18
07:10	ND	ND	17
07:20	ND	ND	16
07:30	ND	ND	16
07:40	ND	ND	13
07:50	ND	ND	12
08:00	ND	ND	9.2
08:10	ND	ND	10
08:20	ND	ND	10
08:30	ND	ND	11
08:40	ND	ND	14
08:50	ND	ND	16
09:00	ND	ND	19
09:10	ND	ND	20
09:20	ND	ND	21
09:30	ND	ND	21
09:40	ND	ND	18
09:50	ND	ND	16
10:00	ND	ND	17
10:10	ND	ND	16
10:20	ND	ND	15
10:30	ND	ND	15
10:40	ND	ND	15
10:50	ND	ND	17
11:00	ND	ND	16
11:10	ND	ND	14
11:20	ND	ND	13
11:30	ND	ND	17
11:40	ND	ND	17
11:50	ND	ND	16
12:00	ND	ND	15
12:10	ND	ND	16
12:20	ND	ND	17
12:30	ND	ND	14
12:40	ND	ND	16
12:50	ND	ND	17
13:00	ND	ND	16
13:10	ND	ND	16
13:20	ND	ND	15
13:30	ND	ND	16
13:40	ND	ND	14
13:50	ND	ND	19
14:00	ND	ND	20
14:10	ND	ND	18
14:20	ND	ND	21
14:30	ND	ND	22
14:40	ND	ND	22
14:50	ND	ND	19
15:00	ND	ND	20
15:10	ND	ND	21
15:20	ND	ND	19
15:30	ND	ND	16
15:40	ND	ND	17
15:50	ND	ND	15
16:00	ND	ND	14
16:10	ND	ND	13
16:20	ND	ND	15
16:30	ND	ND	17
16:40	ND	ND	16
16:50	ND	ND	18
17:00	ND	ND	21
17:10	ND	ND	23
17:20	ND	ND	23
17:30	ND	ND	21
17:40	ND	ND	20
17:50	ND	ND	16
18:00	ND	ND	15
18:10	ND	ND	13
18:20	ND	ND	12
18:30	ND	ND	13
18:40	ND	ND	15
18:50	ND	ND	18
19:00	ND	ND	18
19:10	ND	ND	19
19:20	ND	ND	19
19:30	ND	ND	19
19:40	ND	ND	16
19:50	ND	ND	15
20:00	ND	ND	15
20:10	ND	ND	13
20:20	ND	ND	13
20:30	ND	ND	15
20:40	ND	ND	16
20:50	ND	ND	14
21:00	ND	ND	13
21:10	ND	ND	13
21:20	ND	ND	12
21:30	ND	ND	9.7
21:40	ND	ND	11
21:50	ND	ND	14
22:00	ND	ND	14
22:10	ND	ND	15
22:20	ND	ND	16
22:30	ND	ND	15
22:40	ND	ND	15
22:50	ND	ND	13
23:00	ND	ND	13
23:10	ND	ND	13
23:20	ND	ND	14
23:30	ND	ND	15
23:40	ND	ND	13
23:50	ND	ND	14