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22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 16

00:10 ND ND 18

00:20 ND ND 18

00:30 ND ND 18

00:40 ND ND 15

00:50 ND ND 18

01:00 ND ND 16

01:10 ND ND 14

01:20 ND ND 15

01:30 ND ND 14

01:40 ND ND 16

01:50 ND ND 18

02:00 ND ND 15

02:10 ND ND 16

02:20 ND ND 16

02:30 ND ND 17

02:40 ND ND 17

02:50 ND ND 17

03:00 ND ND 21

03:10 ND ND 20

03:20 ND ND 20

03:30 ND ND 19

03:40 ND ND 18

03:50 ND ND 16

04:00 ND ND 16

04:10 ND ND 14

04:20 ND ND 16

04:30 ND ND 15

04:40 ND ND 17

04:50 ND ND 15

05:00 ND ND 17

05:10 ND ND 16

05:20 ND ND 15

05:30 ND ND 17

05:40 ND ND 17

05:50 ND ND 18

06:00 ND ND 18

06:10 ND ND 19

06:20 ND ND 19

06:30 ND ND 20

06:40 ND ND 18

06:50 ND ND 16

07:00 ND ND 17

07:10 ND ND 17

07:20 ND ND 16

07:30 ND ND 16

07:40 ND ND 16

07:50 ND ND 20

08:00 ND ND 18

08:10 ND ND 19

08:20 ND ND 21

08:30 ND ND 20

08:40 ND ND 20

08:50 ND ND 16

09:00 ND ND 16

09:10 ND ND 14

09:20 ND ND 12

09:30 ND ND 11

09:40 ND ND 11

09:50 ND ND 10

10:00 ND ND 11

10:10 ND ND 13

10:20 ND ND 13

10:30 ND ND 13

10:40 ND ND 14

10:50 ND ND 17

11:00 ND ND 17

11:10 ND ND 17

11:20 ND ND 16

11:30 ND ND 14

11:40 ND ND 14

11:50 ND ND 14

12:00 ND ND 15

12:10 ND ND 16

12:20 ND ND 18

12:30 ND ND 22

12:40 ND ND 24

12:50 ND ND 21

13:00 ND ND 22

13:10 ND ND 20

13:20 ND ND 19

13:30 ND ND 17

13:40 ND ND 12

13:50 ND ND 15

14:00 ND ND 15

14:10 ND ND 16

14:20 ND ND 16

14:30 ND ND 16

14:40 ND ND 20

14:50 ND ND 20

15:00 ND ND 20

15:10 ND ND 21

15:20 ND ND 21

15:30 ND ND 21

15:40 ND ND 19

15:50 ND ND 19

16:00 ND ND 21

16:10 ND ND 21

16:20 ND ND 20

16:30 ND ND 22

16:40 ND ND 21

16:50 ND ND 18

17:00 ND ND 19

17:10 ND ND 16

17:20 ND ND 15

17:30 ND ND 14

17:40 ND ND 16

17:50 ND ND 18

18:00 ND ND 18

18:10 ND ND 18

18:20 ND ND 18

18:30 ND ND 17

18:40 ND ND 16

18:50 ND ND 15

19:00 ND ND 13

19:10 ND ND 13

19:20 ND ND 14

19:30 ND ND 12

19:40 ND ND 14

19:50 ND ND 15

20:00 ND ND 14

20:10 ND ND 14

20:20 ND ND 15

20:30 ND ND 18

20:40 ND ND 14

20:50 ND ND 13

21:00 ND ND 15

21:10 ND ND 18

21:20 ND ND 18

21:30 ND ND 17

21:40 ND ND 21

21:50 ND ND 21

22:00 ND ND 21

22:10 ND ND 18

22:20 ND ND 20

22:30 ND ND 20

22:40 ND ND 17

22:50 ND ND 17

23:00 ND ND 16

23:10 ND ND 16

23:20 ND ND 15

23:30 ND ND 16

23:40 ND ND 15

23:50 ND ND 14

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