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07月19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 11

00:20 ND ND 13

00:30 ND ND 14

00:40 ND ND 14

00:50 ND ND 16

01:00 ND ND 16

01:10 ND ND 16

01:20 ND ND 14

01:30 ND ND 13

01:40 ND ND 14

01:50 ND ND 14

02:00 ND ND 13

02:10 ND ND 14

02:20 ND ND 14

02:30 ND ND 14

02:40 ND ND 11

02:50 ND ND 10

03:00 ND ND 11

03:10 ND ND 12

03:20 ND ND 12

03:30 ND ND 13

03:40 ND ND 16

03:50 ND ND 17

04:00 ND ND 17

04:10 ND ND 17

04:20 ND ND 18

04:30 ND ND 16

04:40 ND ND 14

04:50 ND ND 11

05:00 ND ND 11

05:10 ND ND 12

05:20 ND ND 12

05:30 ND ND 11

05:40 ND ND 12

05:50 ND ND 13

06:00 ND ND 13

06:10 ND ND 13

06:20 ND ND 12

06:30 ND ND 14

06:40 ND ND 13

06:50 ND ND 17

07:00 ND ND 18

07:10 ND ND 18

07:20 ND ND 19

07:30 ND ND 19

07:40 ND ND 21

07:50 ND ND 18

08:00 ND ND 18

08:10 ND ND 20

08:20 ND ND 21

08:30 ND ND 18

08:40 ND ND 17

08:50 ND ND 18

09:00 ND ND 17

09:10 ND ND 14

09:20 ND ND 10

09:30 ND ND 16

09:40 ND ND 16

09:50 ND ND 14

10:00 ND ND 17

10:10 ND ND 18

10:20 ND ND 20

10:30 ND ND 18

10:40 ND ND 18

10:50 ND ND 17

11:00 ND ND 14

11:10 ND ND 13

11:20 ND ND 12

11:30 ND ND 10

11:40 ND ND 9.7

11:50 ND ND 9.7

12:00 ND ND 10

12:10 ND ND 9.0

12:20 ND ND 10

12:30 ND ND 9.7

12:40 ND ND 11

12:50 ND ND 11

13:00 ND ND 13

13:10 ND ND 12

13:20 ND ND 11

13:30 ND ND 11

13:40 ND ND 10

13:50 ND ND 11

14:00 ND ND 12

14:10 ND ND 13

14:20 ND ND 15

14:30 ND ND 16

14:40 ND ND 15

14:50 ND ND 14

15:00 ND ND 11

15:10 ND ND 10

15:20 ND ND 10

15:30 ND ND 13

15:40 ND ND 13

15:50 ND ND 14

16:00 ND ND 16

16:10 ND ND 19

16:20 ND ND 20

16:30 ND ND 20

16:40 ND ND 21

16:50 ND ND 21

17:00 ND ND 20

17:10 ND ND 20

17:20 ND ND 15

17:30 ND ND 14

17:40 ND ND 12

17:50 ND ND 14

18:00 ND ND 14

18:10 ND ND 13

18:20 ND ND 15

18:30 ND ND 16

18:40 ND ND 16

18:50 ND ND 14

19:00 ND ND 15

19:10 ND ND 17

19:20 ND ND 17

19:30 ND ND 14

19:40 ND ND 16

19:50 ND ND 17

20:00 ND ND 16

20:10 ND ND 14

20:20 ND ND 14

20:30 ND ND 13

20:40 ND ND 14

20:50 ND ND 13

21:00 ND ND 13

21:10 ND ND 13

21:20 ND ND 13

21:30 ND ND 15

21:40 ND ND 14

21:50 ND ND 14

22:00 ND ND 17

22:10 ND ND 19

22:20 ND ND 17

22:30 ND ND 18

22:40 ND ND 17

22:50 ND ND 14

23:00 ND ND 14

23:10 ND ND 11

23:20 ND ND 11

23:30 ND ND 9.7

23:40 ND ND 8.8

23:50 ND ND 12

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	12
00:10	ND	ND	11
00:20	ND	ND	13
00:30	ND	ND	14
00:40	ND	ND	14
00:50	ND	ND	16
01:00	ND	ND	16
01:10	ND	ND	16
01:20	ND	ND	14
01:30	ND	ND	13
01:40	ND	ND	14
01:50	ND	ND	14
02:00	ND	ND	13
02:10	ND	ND	14
02:20	ND	ND	14
02:30	ND	ND	14
02:40	ND	ND	11
02:50	ND	ND	10
03:00	ND	ND	11
03:10	ND	ND	12
03:20	ND	ND	12
03:30	ND	ND	13
03:40	ND	ND	16
03:50	ND	ND	17
04:00	ND	ND	17
04:10	ND	ND	17
04:20	ND	ND	18
04:30	ND	ND	16
04:40	ND	ND	14
04:50	ND	ND	11
05:00	ND	ND	11
05:10	ND	ND	12
05:20	ND	ND	12
05:30	ND	ND	11
05:40	ND	ND	12
05:50	ND	ND	13
06:00	ND	ND	13
06:10	ND	ND	13
06:20	ND	ND	12
06:30	ND	ND	14
06:40	ND	ND	13
06:50	ND	ND	17
07:00	ND	ND	18
07:10	ND	ND	18
07:20	ND	ND	19
07:30	ND	ND	19
07:40	ND	ND	21
07:50	ND	ND	18
08:00	ND	ND	18
08:10	ND	ND	20
08:20	ND	ND	21
08:30	ND	ND	18
08:40	ND	ND	17
08:50	ND	ND	18
09:00	ND	ND	17
09:10	ND	ND	14
09:20	ND	ND	10
09:30	ND	ND	16
09:40	ND	ND	16
09:50	ND	ND	14
10:00	ND	ND	17
10:10	ND	ND	18
10:20	ND	ND	20
10:30	ND	ND	18
10:40	ND	ND	18
10:50	ND	ND	17
11:00	ND	ND	14
11:10	ND	ND	13
11:20	ND	ND	12
11:30	ND	ND	10
11:40	ND	ND	9.7
11:50	ND	ND	9.7
12:00	ND	ND	10
12:10	ND	ND	9.0
12:20	ND	ND	10
12:30	ND	ND	9.7
12:40	ND	ND	11
12:50	ND	ND	11
13:00	ND	ND	13
13:10	ND	ND	12
13:20	ND	ND	11
13:30	ND	ND	11
13:40	ND	ND	10
13:50	ND	ND	11
14:00	ND	ND	12
14:10	ND	ND	13
14:20	ND	ND	15
14:30	ND	ND	16
14:40	ND	ND	15
14:50	ND	ND	14
15:00	ND	ND	11
15:10	ND	ND	10
15:20	ND	ND	10
15:30	ND	ND	13
15:40	ND	ND	13
15:50	ND	ND	14
16:00	ND	ND	16
16:10	ND	ND	19
16:20	ND	ND	20
16:30	ND	ND	20
16:40	ND	ND	21
16:50	ND	ND	21
17:00	ND	ND	20
17:10	ND	ND	20
17:20	ND	ND	15
17:30	ND	ND	14
17:40	ND	ND	12
17:50	ND	ND	14
18:00	ND	ND	14
18:10	ND	ND	13
18:20	ND	ND	15
18:30	ND	ND	16
18:40	ND	ND	16
18:50	ND	ND	14
19:00	ND	ND	15
19:10	ND	ND	17
19:20	ND	ND	17
19:30	ND	ND	14
19:40	ND	ND	16
19:50	ND	ND	17
20:00	ND	ND	16
20:10	ND	ND	14
20:20	ND	ND	14
20:30	ND	ND	13
20:40	ND	ND	14
20:50	ND	ND	13
21:00	ND	ND	13
21:10	ND	ND	13
21:20	ND	ND	13
21:30	ND	ND	15
21:40	ND	ND	14
21:50	ND	ND	14
22:00	ND	ND	17
22:10	ND	ND	19
22:20	ND	ND	17
22:30	ND	ND	18
22:40	ND	ND	17
22:50	ND	ND	14
23:00	ND	ND	14
23:10	ND	ND	11
23:20	ND	ND	11
23:30	ND	ND	9.7
23:40	ND	ND	8.8
23:50	ND	ND	12