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）

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○計測値一覧：2026年06月18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 17

00:20 ND ND 18

00:30 ND ND 17

00:40 ND ND 16

00:50 ND ND 19

01:00 ND ND 18

01:10 ND ND 15

01:20 ND ND 14

01:30 ND ND 15

01:40 ND ND 16

01:50 ND ND 9.9

02:00 ND ND 10

02:10 ND ND 11

02:20 ND ND 13

02:30 ND ND 13

02:40 ND ND 12

02:50 ND ND 16

03:00 ND ND 17

03:10 ND ND 18

03:20 ND ND 18

03:30 ND ND 17

03:40 ND ND 17

03:50 ND ND 15

04:00 ND ND 14

04:10 ND ND 14

04:20 ND ND 14

04:30 ND ND 15

04:40 ND ND 19

04:50 ND ND 21

05:00 ND ND 21

05:10 ND ND 22

05:20 ND ND 21

05:30 ND ND 18

05:40 ND ND 12

05:50 ND ND 11

06:00 ND ND 11

06:10 ND ND 8.4

06:20 ND ND ND

06:30 ND ND 12

06:40 ND ND 14

06:50 ND ND 15

07:00 ND ND 16

07:10 ND ND 20

07:20 ND ND 19

07:30 ND ND 16

07:40 ND ND 16

07:50 ND ND 16

08:00 ND ND 14

08:10 ND ND 14

08:20 ND ND 16

08:30 ND ND 17

08:40 ND ND 16

08:50 ND ND 13

09:00 ND ND 13

09:10 ND ND 10

09:20 ND ND 13

09:30 ND ND 10

09:40 ND ND 12

09:50 ND ND 14

10:00 ND ND 17

10:10 ND ND 20

10:20 ND ND 17

10:30 ND ND 18

10:40 ND ND 19

10:50 ND ND 18

11:00 ND ND 16

11:10 ND ND 15

11:20 ND ND 16

11:30 ND ND 17

11:40 ND ND 16

11:50 ND ND 18

12:00 ND ND 18

12:10 ND ND 17

12:20 ND ND 16

12:30 ND ND 16

12:40 ND ND 14

12:50 ND ND 14

13:00 ND ND 15

13:10 ND ND 16

13:20 ND ND 17

13:30 ND ND 18

13:40 ND ND 20

13:50 ND ND 22

14:00 ND ND 19

14:10 ND ND 19

14:20 ND ND 23

14:30 ND ND 20

14:40 ND ND 20

14:50 ND ND 18

15:00 ND ND 20

15:10 ND ND 20

15:20 ND ND 16

15:30 ND ND 18

15:40 ND ND 16

15:50 ND ND 18

16:00 ND ND 18

16:10 ND ND 22

16:20 ND ND 21

16:30 ND ND 21

16:40 ND ND 23

16:50 ND ND 19

17:00 ND ND 18

17:10 ND ND 14

17:20 ND ND 15

17:30 ND ND 16

17:40 ND ND 16

17:50 ND ND 16

18:00 ND ND 17

18:10 ND ND 20

18:20 ND ND 18

18:30 ND ND 19

18:40 ND ND 16

18:50 ND ND 20

19:00 ND ND 19

19:10 ND ND 15

19:20 ND ND 16

19:30 ND ND 12

19:40 ND ND 12

19:50 ND ND 12

20:00 ND ND 12

20:10 ND ND 12

20:20 ND ND 12

20:30 ND ND 12

20:40 ND ND 14

20:50 ND ND 13

21:00 ND ND 11

21:10 ND ND 11

21:20 ND ND 13

21:30 ND ND 15

21:40 ND ND 15

21:50 ND ND 14

22:00 ND ND 19

22:10 ND ND 20

22:20 ND ND 20

22:30 ND ND 19

22:40 ND ND 18

22:50 ND ND 22

23:00 ND ND 19

23:10 ND ND 18

23:20 ND ND 17

23:30 ND ND 16

23:40 ND ND 17

23:50 ND ND 15

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	15
00:10	ND	ND	17
00:20	ND	ND	18
00:30	ND	ND	17
00:40	ND	ND	16
00:50	ND	ND	19
01:00	ND	ND	18
01:10	ND	ND	15
01:20	ND	ND	14
01:30	ND	ND	15
01:40	ND	ND	16
01:50	ND	ND	9.9
02:00	ND	ND	10
02:10	ND	ND	11
02:20	ND	ND	13
02:30	ND	ND	13
02:40	ND	ND	12
02:50	ND	ND	16
03:00	ND	ND	17
03:10	ND	ND	18
03:20	ND	ND	18
03:30	ND	ND	17
03:40	ND	ND	17
03:50	ND	ND	15
04:00	ND	ND	14
04:10	ND	ND	14
04:20	ND	ND	14
04:30	ND	ND	15
04:40	ND	ND	19
04:50	ND	ND	21
05:00	ND	ND	21
05:10	ND	ND	22
05:20	ND	ND	21
05:30	ND	ND	18
05:40	ND	ND	12
05:50	ND	ND	11
06:00	ND	ND	11
06:10	ND	ND	8.4
06:20	ND	ND	ND
06:30	ND	ND	12
06:40	ND	ND	14
06:50	ND	ND	15
07:00	ND	ND	16
07:10	ND	ND	20
07:20	ND	ND	19
07:30	ND	ND	16
07:40	ND	ND	16
07:50	ND	ND	16
08:00	ND	ND	14
08:10	ND	ND	14
08:20	ND	ND	16
08:30	ND	ND	17
08:40	ND	ND	16
08:50	ND	ND	13
09:00	ND	ND	13
09:10	ND	ND	10
09:20	ND	ND	13
09:30	ND	ND	10
09:40	ND	ND	12
09:50	ND	ND	14
10:00	ND	ND	17
10:10	ND	ND	20
10:20	ND	ND	17
10:30	ND	ND	18
10:40	ND	ND	19
10:50	ND	ND	18
11:00	ND	ND	16
11:10	ND	ND	15
11:20	ND	ND	16
11:30	ND	ND	17
11:40	ND	ND	16
11:50	ND	ND	18
12:00	ND	ND	18
12:10	ND	ND	17
12:20	ND	ND	16
12:30	ND	ND	16
12:40	ND	ND	14
12:50	ND	ND	14
13:00	ND	ND	15
13:10	ND	ND	16
13:20	ND	ND	17
13:30	ND	ND	18
13:40	ND	ND	20
13:50	ND	ND	22
14:00	ND	ND	19
14:10	ND	ND	19
14:20	ND	ND	23
14:30	ND	ND	20
14:40	ND	ND	20
14:50	ND	ND	18
15:00	ND	ND	20
15:10	ND	ND	20
15:20	ND	ND	16
15:30	ND	ND	18
15:40	ND	ND	16
15:50	ND	ND	18
16:00	ND	ND	18
16:10	ND	ND	22
16:20	ND	ND	21
16:30	ND	ND	21
16:40	ND	ND	23
16:50	ND	ND	19
17:00	ND	ND	18
17:10	ND	ND	14
17:20	ND	ND	15
17:30	ND	ND	16
17:40	ND	ND	16
17:50	ND	ND	16
18:00	ND	ND	17
18:10	ND	ND	20
18:20	ND	ND	18
18:30	ND	ND	19
18:40	ND	ND	16
18:50	ND	ND	20
19:00	ND	ND	19
19:10	ND	ND	15
19:20	ND	ND	16
19:30	ND	ND	12
19:40	ND	ND	12
19:50	ND	ND	12
20:00	ND	ND	12
20:10	ND	ND	12
20:20	ND	ND	12
20:30	ND	ND	12
20:40	ND	ND	14
20:50	ND	ND	13
21:00	ND	ND	11
21:10	ND	ND	11
21:20	ND	ND	13
21:30	ND	ND	15
21:40	ND	ND	15
21:50	ND	ND	14
22:00	ND	ND	19
22:10	ND	ND	20
22:20	ND	ND	20
22:30	ND	ND	19
22:40	ND	ND	18
22:50	ND	ND	22
23:00	ND	ND	19
23:10	ND	ND	18
23:20	ND	ND	17
23:30	ND	ND	16
23:40	ND	ND	17
23:50	ND	ND	15