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）

トップページ > 福島第一原子力発電所海水放射線モニタ計測状況 > 過去データの年月指定 > 過去データの日付指定 > 計測結果

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01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 20

00:20 ND ND 23

00:30 ND ND 23

00:40 ND ND 20

00:50 ND ND 18

01:00 ND ND 19

01:10 ND ND 19

01:20 ND ND 17

01:30 ND ND 17

01:40 ND ND 16

01:50 ND ND 17

02:00 ND ND 18

02:10 ND ND 16

02:20 ND ND 17

02:30 ND ND 16

02:40 ND ND 16

02:50 ND ND 15

03:00 ND ND 14

03:10 ND ND 16

03:20 ND ND 14

03:30 ND ND 16

03:40 ND ND 15

03:50 ND ND 17

04:00 ND ND 16

04:10 ND ND 14

04:20 ND ND 12

04:30 ND ND 11

04:40 ND ND 14

04:50 ND ND 14

05:00 ND ND 13

05:10 ND ND 16

05:20 ND ND 20

05:30 ND ND 21

05:40 ND ND 21

05:50 ND ND 20

06:00 ND ND 23

06:10 ND ND 20

06:20 ND ND 18

06:30 ND ND 17

06:40 ND ND 16

06:50 ND ND 19

07:00 ND ND 17

07:10 ND ND 17

07:20 ND ND 21

07:30 ND ND 22

07:40 ND ND 21

07:50 ND ND 20

08:00 ND ND 21

08:10 ND ND 20

08:20 ND ND 17

08:30 ND ND 13

08:40 ND ND 14

08:50 ND ND 14

09:00 ND ND 15

09:10 ND ND 18

09:20 ND ND 20

09:30 ND ND 23

09:40 ND ND 22

09:50 ND ND 22

10:00 ND ND 22

10:10 ND ND 21

10:20 ND ND 19

10:30 ND ND 20

10:40 ND ND 20

10:50 ND ND 21

11:00 ND ND 19

11:10 ND ND 18

11:20 ND ND 21

11:30 ND ND 18

11:40 ND ND 18

11:50 ND ND 18

12:00 ND ND 18

12:10 ND ND 19

12:20 ND ND 17

12:30 ND ND 19

12:40 ND ND 19

12:50 ND ND 16

13:00 ND ND 19

13:10 ND ND 20

13:20 ND ND 21

13:30 ND ND 20

13:40 ND ND 22

13:50 ND ND 24

14:00 ND ND 24

14:10 ND ND 21

14:20 ND ND 22

14:30 ND ND 21

14:40 ND ND 22

14:50 ND ND 21

15:00 ND ND 18

15:10 ND ND 21

15:20 ND ND 19

15:30 ND ND 18

15:40 ND ND 19

15:50 ND ND 20

16:00 ND ND 21

16:10 ND ND 20

16:20 ND ND 21

16:30 ND ND 22

16:40 ND ND 21

16:50 ND ND 21

17:00 ND ND 24

17:10 ND ND 27

17:20 ND ND 25

17:30 ND ND 25

17:40 ND ND 26

17:50 ND ND 28

18:00 ND ND 25

18:10 ND ND 23

18:20 ND ND 23

18:30 ND ND 24

18:40 ND ND 24

18:50 ND ND 24

19:00 ND ND 24

19:10 ND ND 23

19:20 ND ND 23

19:30 ND ND 25

19:40 ND ND 25

19:50 ND ND 24

20:00 ND ND 26

20:10 ND ND 26

20:20 ND ND 27

20:30 ND ND 24

20:40 ND ND 22

20:50 ND ND 22

21:00 ND ND 22

21:10 ND ND 22

21:20 ND ND 22

21:30 ND ND 22

21:40 ND ND 24

21:50 ND ND 25

22:00 ND ND 26

22:10 ND ND 27

22:20 ND ND 28

22:30 ND ND 28

22:40 ND ND 28

22:50 ND ND 28

23:00 ND ND 25

23:10 ND ND 22

23:20 ND ND 19

23:30 ND ND 20

23:40 ND ND 20

23:50 ND ND 22

計測時刻	Cs137	Cs134	全β
00:00	ND	ND	18
00:10	ND	ND	20
00:20	ND	ND	23
00:30	ND	ND	23
00:40	ND	ND	20
00:50	ND	ND	18
01:00	ND	ND	19
01:10	ND	ND	19
01:20	ND	ND	17
01:30	ND	ND	17
01:40	ND	ND	16
01:50	ND	ND	17
02:00	ND	ND	18
02:10	ND	ND	16
02:20	ND	ND	17
02:30	ND	ND	16
02:40	ND	ND	16
02:50	ND	ND	15
03:00	ND	ND	14
03:10	ND	ND	16
03:20	ND	ND	14
03:30	ND	ND	16
03:40	ND	ND	15
03:50	ND	ND	17
04:00	ND	ND	16
04:10	ND	ND	14
04:20	ND	ND	12
04:30	ND	ND	11
04:40	ND	ND	14
04:50	ND	ND	14
05:00	ND	ND	13
05:10	ND	ND	16
05:20	ND	ND	20
05:30	ND	ND	21
05:40	ND	ND	21
05:50	ND	ND	20
06:00	ND	ND	23
06:10	ND	ND	20
06:20	ND	ND	18
06:30	ND	ND	17
06:40	ND	ND	16
06:50	ND	ND	19
07:00	ND	ND	17
07:10	ND	ND	17
07:20	ND	ND	21
07:30	ND	ND	22
07:40	ND	ND	21
07:50	ND	ND	20
08:00	ND	ND	21
08:10	ND	ND	20
08:20	ND	ND	17
08:30	ND	ND	13
08:40	ND	ND	14
08:50	ND	ND	14
09:00	ND	ND	15
09:10	ND	ND	18
09:20	ND	ND	20
09:30	ND	ND	23
09:40	ND	ND	22
09:50	ND	ND	22
10:00	ND	ND	22
10:10	ND	ND	21
10:20	ND	ND	19
10:30	ND	ND	20
10:40	ND	ND	20
10:50	ND	ND	21
11:00	ND	ND	19
11:10	ND	ND	18
11:20	ND	ND	21
11:30	ND	ND	18
11:40	ND	ND	18
11:50	ND	ND	18
12:00	ND	ND	18
12:10	ND	ND	19
12:20	ND	ND	17
12:30	ND	ND	19
12:40	ND	ND	19
12:50	ND	ND	16
13:00	ND	ND	19
13:10	ND	ND	20
13:20	ND	ND	21
13:30	ND	ND	20
13:40	ND	ND	22
13:50	ND	ND	24
14:00	ND	ND	24
14:10	ND	ND	21
14:20	ND	ND	22
14:30	ND	ND	21
14:40	ND	ND	22
14:50	ND	ND	21
15:00	ND	ND	18
15:10	ND	ND	21
15:20	ND	ND	19
15:30	ND	ND	18
15:40	ND	ND	19
15:50	ND	ND	20
16:00	ND	ND	21
16:10	ND	ND	20
16:20	ND	ND	21
16:30	ND	ND	22
16:40	ND	ND	21
16:50	ND	ND	21
17:00	ND	ND	24
17:10	ND	ND	27
17:20	ND	ND	25
17:30	ND	ND	25
17:40	ND	ND	26
17:50	ND	ND	28
18:00	ND	ND	25
18:10	ND	ND	23
18:20	ND	ND	23
18:30	ND	ND	24
18:40	ND	ND	24
18:50	ND	ND	24
19:00	ND	ND	24
19:10	ND	ND	23
19:20	ND	ND	23
19:30	ND	ND	25
19:40	ND	ND	25
19:50	ND	ND	24
20:00	ND	ND	26
20:10	ND	ND	26
20:20	ND	ND	27
20:30	ND	ND	24
20:40	ND	ND	22
20:50	ND	ND	22
21:00	ND	ND	22
21:10	ND	ND	22
21:20	ND	ND	22
21:30	ND	ND	22
21:40	ND	ND	24
21:50	ND	ND	25
22:00	ND	ND	26
22:10	ND	ND	27
22:20	ND	ND	28
22:30	ND	ND	28
22:40	ND	ND	28
22:50	ND	ND	28
23:00	ND	ND	25
23:10	ND	ND	22
23:20	ND	ND	19
23:30	ND	ND	20
23:40	ND	ND	20
23:50	ND	ND	22