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27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 15

00:10 ND ND 15

00:20 ND ND 14

00:30 ND ND 14

00:40 ND ND 17

00:50 ND ND 19

01:00 ND ND 17

01:10 ND ND 17

01:20 ND ND 19

01:30 ND ND 18

01:40 ND ND 18

01:50 ND ND 15

02:00 ND ND 17

02:10 ND ND 17

02:20 ND ND 18

02:30 ND ND 20

02:40 ND ND 21

02:50 ND ND 24

03:00 ND ND 21

03:10 ND ND 21

03:20 ND ND 20

03:30 ND ND 22

03:40 ND ND 20

03:50 ND ND 19

04:00 ND ND 21

04:10 ND ND 23

04:20 ND ND 22

04:30 ND ND 20

04:40 ND ND 21

04:50 ND ND 20

05:00 ND ND 17

05:10 ND ND 16

05:20 ND ND 15

05:30 ND ND 15

05:40 ND ND 16

05:50 ND ND 21

06:00 ND ND 21

06:10 ND ND 19

06:20 ND ND 20

06:30 ND ND 20

06:40 ND ND 16

06:50 ND ND 12

07:00 ND ND 15

07:10 ND ND 16

07:20 ND ND 19

07:30 ND ND 17

07:40 ND ND 20

07:50 ND ND 21

08:00 ND ND 20

08:10 0.048 ND 18

08:20 ND ND 15

08:30 ND ND 13

08:40 ND ND 15

08:50 ND ND 17

09:00 0.065 ND 17

09:10 0.064 ND 17

09:20 0.084 ND 18

09:30 0.090 ND 20

09:40 0.083 ND 19

09:50 0.089 ND 17

10:00 0.081 ND 15

10:10 0.067 ND 20

10:20 0.050 ND 20

10:30 ND ND 20

10:40 ND ND 22

10:50 ND ND 22

11:00 ND ND 25

11:10 ND ND 22

11:20 ND ND 24

11:30 ND ND 24

11:40 ND ND 21

11:50 ND ND 19

12:00 ND ND 17

12:10 ND ND 18

12:20 ND ND 14

12:30 ND ND 14

12:40 ND ND 16

12:50 ND ND 19

13:00 ND ND 20

13:10 ND ND 19

13:20 ND ND 19

13:30 ND ND 20

13:40 ND ND 16

13:50 ND ND 12

14:00 ND ND 13

14:10 ND ND 14

14:20 ND ND 15

14:30 ND ND 16

14:40 ND ND 20

14:50 ND ND 22

15:00 ND ND 22

15:10 ND ND 21

15:20 ND ND 20

15:30 ND ND 18

15:40 ND ND 19

15:50 ND ND 17

16:00 ND ND 18

16:10 ND ND 18

16:20 ND ND 18

16:30 ND ND 18

16:40 ND ND 15

16:50 ND ND 18

17:00 ND ND 16

17:10 ND ND 17

17:20 ND ND 18

17:30 ND ND 16

17:40 ND ND 18

17:50 ND ND 19

18:00 ND ND 19

18:10 ND ND 16

18:20 ND ND 14

18:30 ND ND 16

18:40 ND ND 16

18:50 ND ND 14

19:00 ND ND 14

19:10 ND ND 16

19:20 ND ND 17

19:30 ND ND 14

19:40 ND ND 15

19:50 ND ND 17

20:00 ND ND 15

20:10 ND ND 16

20:20 ND ND 15

20:30 ND ND 17

20:40 ND ND 16

20:50 ND ND 15

21:00 ND ND 15

21:10 ND ND 17

21:20 ND ND 16

21:30 ND ND 18

21:40 ND ND 17

21:50 ND ND 16

22:00 ND ND 17

22:10 ND ND 15

22:20 ND ND 16

22:30 ND ND 13

22:40 ND ND 12

22:50 ND ND 13

23:00 ND ND 14

23:10 ND ND 14

23:20 ND ND 15

23:30 ND ND 18

23:40 ND ND 20

23:50 ND ND 18

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	15
00:10	ND	ND	15
00:20	ND	ND	14
00:30	ND	ND	14
00:40	ND	ND	17
00:50	ND	ND	19
01:00	ND	ND	17
01:10	ND	ND	17
01:20	ND	ND	19
01:30	ND	ND	18
01:40	ND	ND	18
01:50	ND	ND	15
02:00	ND	ND	17
02:10	ND	ND	17
02:20	ND	ND	18
02:30	ND	ND	20
02:40	ND	ND	21
02:50	ND	ND	24
03:00	ND	ND	21
03:10	ND	ND	21
03:20	ND	ND	20
03:30	ND	ND	22
03:40	ND	ND	20
03:50	ND	ND	19
04:00	ND	ND	21
04:10	ND	ND	23
04:20	ND	ND	22
04:30	ND	ND	20
04:40	ND	ND	21
04:50	ND	ND	20
05:00	ND	ND	17
05:10	ND	ND	16
05:20	ND	ND	15
05:30	ND	ND	15
05:40	ND	ND	16
05:50	ND	ND	21
06:00	ND	ND	21
06:10	ND	ND	19
06:20	ND	ND	20
06:30	ND	ND	20
06:40	ND	ND	16
06:50	ND	ND	12
07:00	ND	ND	15
07:10	ND	ND	16
07:20	ND	ND	19
07:30	ND	ND	17
07:40	ND	ND	20
07:50	ND	ND	21
08:00	ND	ND	20
08:10	0.048	ND	18
08:20	ND	ND	15
08:30	ND	ND	13
08:40	ND	ND	15
08:50	ND	ND	17
09:00	0.065	ND	17
09:10	0.064	ND	17
09:20	0.084	ND	18
09:30	0.090	ND	20
09:40	0.083	ND	19
09:50	0.089	ND	17
10:00	0.081	ND	15
10:10	0.067	ND	20
10:20	0.050	ND	20
10:30	ND	ND	20
10:40	ND	ND	22
10:50	ND	ND	22
11:00	ND	ND	25
11:10	ND	ND	22
11:20	ND	ND	24
11:30	ND	ND	24
11:40	ND	ND	21
11:50	ND	ND	19
12:00	ND	ND	17
12:10	ND	ND	18
12:20	ND	ND	14
12:30	ND	ND	14
12:40	ND	ND	16
12:50	ND	ND	19
13:00	ND	ND	20
13:10	ND	ND	19
13:20	ND	ND	19
13:30	ND	ND	20
13:40	ND	ND	16
13:50	ND	ND	12
14:00	ND	ND	13
14:10	ND	ND	14
14:20	ND	ND	15
14:30	ND	ND	16
14:40	ND	ND	20
14:50	ND	ND	22
15:00	ND	ND	22
15:10	ND	ND	21
15:20	ND	ND	20
15:30	ND	ND	18
15:40	ND	ND	19
15:50	ND	ND	17
16:00	ND	ND	18
16:10	ND	ND	18
16:20	ND	ND	18
16:30	ND	ND	18
16:40	ND	ND	15
16:50	ND	ND	18
17:00	ND	ND	16
17:10	ND	ND	17
17:20	ND	ND	18
17:30	ND	ND	16
17:40	ND	ND	18
17:50	ND	ND	19
18:00	ND	ND	19
18:10	ND	ND	16
18:20	ND	ND	14
18:30	ND	ND	16
18:40	ND	ND	16
18:50	ND	ND	14
19:00	ND	ND	14
19:10	ND	ND	16
19:20	ND	ND	17
19:30	ND	ND	14
19:40	ND	ND	15
19:50	ND	ND	17
20:00	ND	ND	15
20:10	ND	ND	16
20:20	ND	ND	15
20:30	ND	ND	17
20:40	ND	ND	16
20:50	ND	ND	15
21:00	ND	ND	15
21:10	ND	ND	17
21:20	ND	ND	16
21:30	ND	ND	18
21:40	ND	ND	17
21:50	ND	ND	16
22:00	ND	ND	17
22:10	ND	ND	15
22:20	ND	ND	16
22:30	ND	ND	13
22:40	ND	ND	12
22:50	ND	ND	13
23:00	ND	ND	14
23:10	ND	ND	14
23:20	ND	ND	15
23:30	ND	ND	18
23:40	ND	ND	20
23:50	ND	ND	18