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06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 18

00:10 ND ND 19

00:20 ND ND 18

00:30 ND ND 18

00:40 ND ND 14

00:50 ND ND 14

01:00 ND ND 13

01:10 ND ND 13

01:20 ND ND 18

01:30 ND ND 20

01:40 ND ND 21

01:50 ND ND 21

02:00 ND ND 22

02:10 ND ND 21

02:20 ND ND 17

02:30 ND ND 18

02:40 ND ND 20

02:50 ND ND 19

03:00 ND ND 17

03:10 ND ND 19

03:20 ND ND 20

03:30 ND ND 18

03:40 ND ND 18

03:50 ND ND 17

04:00 ND ND 18

04:10 ND ND 15

04:20 ND ND 16

04:30 ND ND 18

04:40 ND ND 16

04:50 ND ND 16

05:00 ND ND 16

05:10 ND ND 15

05:20 ND ND 14

05:30 ND ND 13

05:40 ND ND 12

05:50 ND ND 13

06:00 ND ND 14

06:10 ND ND 16

06:20 ND ND 17

06:30 ND ND 16

06:40 ND ND 18

06:50 ND ND 17

07:00 ND ND 17

07:10 ND ND 17

07:20 ND ND 16

07:30 ND ND 19

07:40 ND ND 17

07:50 ND ND 18

08:00 ND ND 17

08:10 ND ND 17

08:20 ND ND 16

08:30 ND ND 12

08:40 ND ND 15

08:50 ND ND 12

09:00 ND ND 12

09:10 ND ND 13

09:20 ND ND 13

09:30 ND ND 17

09:40 ND ND 18

09:50 ND ND 20

10:00 ND ND 21

10:10 ND ND 23

10:20 ND ND 23

10:30 ND ND 22

10:40 - - -

10:50 - - -

11:00 - - -

11:10 - - -

11:20 - - -

11:30 - - -

11:40 - - -

11:50 - - -

12:00 - - -

12:10 - - -

12:20 - - -

12:30 - - -

12:40 - - -

12:50 - - -

13:00 ND ND 18

13:10 ND ND 17

13:20 ND ND 17

13:30 ND ND 18

13:40 ND ND 16

13:50 ND ND 17

14:00 ND ND 17

14:10 ND ND 19

14:20 ND ND 20

14:30 ND ND 20

14:40 ND ND 20

14:50 ND ND 20

15:00 ND ND 19

15:10 ND ND 18

15:20 ND ND 16

15:30 ND ND 16

15:40 ND ND 14

15:50 ND ND 13

16:00 ND ND 14

16:10 ND ND 13

16:20 ND ND 14

16:30 ND ND 14

16:40 ND ND 15

16:50 ND ND 14

17:00 ND ND 12

17:10 ND ND 11

17:20 ND ND 14

17:30 ND ND 12

17:40 ND ND 12

17:50 ND ND 13

18:00 ND ND 13

18:10 ND ND 18

18:20 ND ND 15

18:30 ND ND 17

18:40 ND ND 16

18:50 ND ND 17

19:00 ND ND 17

19:10 ND ND 15

19:20 ND ND 17

19:30 ND ND 18

19:40 ND ND 18

19:50 ND ND 18

20:00 ND ND 18

20:10 ND ND 15

20:20 ND ND 13

20:30 ND ND 12

20:40 ND ND 12

20:50 ND ND 11

21:00 ND ND 11

21:10 ND ND 14

21:20 ND ND 14

21:30 ND ND 16

21:40 ND ND 18

21:50 ND ND 18

22:00 ND ND 18

22:10 ND ND 16

22:20 ND ND 17

22:30 ND ND 17

22:40 ND ND 17

22:50 ND ND 20

23:00 ND ND 18

23:10 ND ND 19

23:20 ND ND 20

23:30 ND ND 19

23:40 ND ND 19

23:50 ND ND 20

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