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05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 20

00:10 ND ND 21

00:20 ND ND 21

00:30 ND ND 23

00:40 ND ND 22

00:50 ND ND 22

01:00 ND ND 22

01:10 ND ND 21

01:20 ND ND 21

01:30 ND ND 19

01:40 ND ND 20

01:50 ND ND 19

02:00 ND ND 18

02:10 ND ND 17

02:20 ND ND 16

02:30 ND ND 15

02:40 ND ND 12

02:50 ND ND 12

03:00 ND ND 15

03:10 ND ND 16

03:20 ND ND 16

03:30 ND ND 18

03:40 ND ND 19

03:50 ND ND 19

04:00 ND ND 19

04:10 ND ND 16

04:20 ND ND 14

04:30 ND ND 13

04:40 ND ND 15

04:50 ND ND 16

05:00 ND ND 13

05:10 ND ND 16

05:20 ND ND 16

05:30 ND ND 16

05:40 ND ND 15

05:50 ND ND 15

06:00 ND ND 15

06:10 ND ND 15

06:20 ND ND 17

06:30 ND ND 18

06:40 ND ND 17

06:50 ND ND 17

07:00 ND ND 19

07:10 ND ND 20

07:20 ND ND 20

07:30 ND ND 21

07:40 ND ND 24

07:50 ND ND 25

08:00 ND ND 23

08:10 ND ND 21

08:20 ND ND 22

08:30 ND ND 21

08:40 ND ND 18

08:50 ND ND 17

09:00 ND ND 17

09:10 ND ND 19

09:20 ND ND 17

09:30 ND ND 16

09:40 ND ND 15

09:50 ND ND 13

10:00 ND ND 16

10:10 ND ND 14

10:20 ND ND 13

10:30 ND ND 14

10:40 ND ND 16

10:50 ND ND 20

11:00 ND ND 17

11:10 ND ND 19

11:20 ND ND 21

11:30 ND ND 22

11:40 ND ND 20

11:50 ND ND 17

12:00 ND ND 17

12:10 ND ND 18

12:20 ND ND 17

12:30 ND ND 16

12:40 ND ND 16

12:50 ND ND 17

13:00 ND ND 19

13:10 ND ND 20

13:20 ND ND 19

13:30 ND ND 20

13:40 ND ND 20

13:50 ND ND 19

14:00 ND ND 18

14:10 ND ND 16

14:20 ND ND 18

14:30 ND ND 18

14:40 ND ND 20

14:50 ND ND 21

15:00 ND ND 24

15:10 ND ND 22

15:20 ND ND 21

15:30 ND ND 22

15:40 ND ND 20

15:50 ND ND 20

16:00 ND ND 19

16:10 ND ND 20

16:20 - - -

16:30 - - -

16:40 ND ND 16

16:50 ND ND 14

17:00 ND ND 14

17:10 ND ND 15

17:20 ND ND 15

17:30 ND ND 12

17:40 ND ND 15

17:50 ND ND 14

18:00 ND ND 15

18:10 ND ND 15

18:20 ND ND 16

18:30 ND ND 17

18:40 ND ND 18

18:50 ND ND 21

19:00 ND ND 18

19:10 ND ND 18

19:20 ND ND 19

19:30 ND ND 20

19:40 ND ND 19

19:50 ND ND 21

20:00 ND ND 23

20:10 ND ND 23

20:20 ND ND 21

20:30 ND ND 21

20:40 ND ND 20

20:50 ND ND 19

21:00 ND ND 18

21:10 ND ND 17

21:20 ND ND 18

21:30 ND ND 21

21:40 ND ND 23

21:50 ND ND 21

22:00 ND ND 21

22:10 ND ND 23

22:20 ND ND 23

22:30 ND ND 22

22:40 ND ND 20

22:50 ND ND 20

23:00 ND ND 20

23:10 ND ND 19

23:20 ND ND 19

23:30 ND ND 18

23:40 ND ND 20

23:50 ND ND 20

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	20
00:10	ND	ND	21
00:20	ND	ND	21
00:30	ND	ND	23
00:40	ND	ND	22
00:50	ND	ND	22
01:00	ND	ND	22
01:10	ND	ND	21
01:20	ND	ND	21
01:30	ND	ND	19
01:40	ND	ND	20
01:50	ND	ND	19
02:00	ND	ND	18
02:10	ND	ND	17
02:20	ND	ND	16
02:30	ND	ND	15
02:40	ND	ND	12
02:50	ND	ND	12
03:00	ND	ND	15
03:10	ND	ND	16
03:20	ND	ND	16
03:30	ND	ND	18
03:40	ND	ND	19
03:50	ND	ND	19
04:00	ND	ND	19
04:10	ND	ND	16
04:20	ND	ND	14
04:30	ND	ND	13
04:40	ND	ND	15
04:50	ND	ND	16
05:00	ND	ND	13
05:10	ND	ND	16
05:20	ND	ND	16
05:30	ND	ND	16
05:40	ND	ND	15
05:50	ND	ND	15
06:00	ND	ND	15
06:10	ND	ND	15
06:20	ND	ND	17
06:30	ND	ND	18
06:40	ND	ND	17
06:50	ND	ND	17
07:00	ND	ND	19
07:10	ND	ND	20
07:20	ND	ND	20
07:30	ND	ND	21
07:40	ND	ND	24
07:50	ND	ND	25
08:00	ND	ND	23
08:10	ND	ND	21
08:20	ND	ND	22
08:30	ND	ND	21
08:40	ND	ND	18
08:50	ND	ND	17
09:00	ND	ND	17
09:10	ND	ND	19
09:20	ND	ND	17
09:30	ND	ND	16
09:40	ND	ND	15
09:50	ND	ND	13
10:00	ND	ND	16
10:10	ND	ND	14
10:20	ND	ND	13
10:30	ND	ND	14
10:40	ND	ND	16
10:50	ND	ND	20
11:00	ND	ND	17
11:10	ND	ND	19
11:20	ND	ND	21
11:30	ND	ND	22
11:40	ND	ND	20
11:50	ND	ND	17
12:00	ND	ND	17
12:10	ND	ND	18
12:20	ND	ND	17
12:30	ND	ND	16
12:40	ND	ND	16
12:50	ND	ND	17
13:00	ND	ND	19
13:10	ND	ND	20
13:20	ND	ND	19
13:30	ND	ND	20
13:40	ND	ND	20
13:50	ND	ND	19
14:00	ND	ND	18
14:10	ND	ND	16
14:20	ND	ND	18
14:30	ND	ND	18
14:40	ND	ND	20
14:50	ND	ND	21
15:00	ND	ND	24
15:10	ND	ND	22
15:20	ND	ND	21
15:30	ND	ND	22
15:40	ND	ND	20
15:50	ND	ND	20
16:00	ND	ND	19
16:10	ND	ND	20
16:20	-	-	-
16:30	-	-	-
16:40	ND	ND	16
16:50	ND	ND	14
17:00	ND	ND	14
17:10	ND	ND	15
17:20	ND	ND	15
17:30	ND	ND	12
17:40	ND	ND	15
17:50	ND	ND	14
18:00	ND	ND	15
18:10	ND	ND	15
18:20	ND	ND	16
18:30	ND	ND	17
18:40	ND	ND	18
18:50	ND	ND	21
19:00	ND	ND	18
19:10	ND	ND	18
19:20	ND	ND	19
19:30	ND	ND	20
19:40	ND	ND	19
19:50	ND	ND	21
20:00	ND	ND	23
20:10	ND	ND	23
20:20	ND	ND	21
20:30	ND	ND	21
20:40	ND	ND	20
20:50	ND	ND	19
21:00	ND	ND	18
21:10	ND	ND	17
21:20	ND	ND	18
21:30	ND	ND	21
21:40	ND	ND	23
21:50	ND	ND	21
22:00	ND	ND	21
22:10	ND	ND	23
22:20	ND	ND	23
22:30	ND	ND	22
22:40	ND	ND	20
22:50	ND	ND	20
23:00	ND	ND	20
23:10	ND	ND	19
23:20	ND	ND	19
23:30	ND	ND	18
23:40	ND	ND	20
23:50	ND	ND	20