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30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 0.065 ND 13

00:10 0.074 ND 12

00:20 0.056 ND 10

00:30 ND ND 12

00:40 0.067 ND 10

00:50 0.055 ND 13

01:00 0.061 ND 14

01:10 0.055 ND 17

01:20 0.069 ND 16

01:30 0.082 ND 16

01:40 ND ND 17

01:50 0.050 ND 17

02:00 ND ND 18

02:10 ND ND 17

02:20 ND ND 17

02:30 ND ND 16

02:40 0.051 ND 17

02:50 0.048 ND 16

03:00 0.060 ND 16

03:10 0.059 ND 16

03:20 0.062 ND 17

03:30 0.060 ND 19

03:40 0.055 ND 17

03:50 0.081 ND 19

04:00 0.083 ND 17

04:10 0.078 ND 15

04:20 0.094 ND 14

04:30 0.088 ND 12

04:40 0.093 ND 13

04:50 0.078 ND 15

05:00 0.069 ND 16

05:10 0.065 ND 15

05:20 ND ND 16

05:30 ND ND 16

05:40 ND ND 17

05:50 ND ND 15

06:00 ND ND 14

06:10 ND ND 16

06:20 0.055 ND 17

06:30 0.061 ND 16

06:40 0.065 ND 16

06:50 0.091 ND 14

07:00 0.077 ND 14

07:10 0.077 ND 13

07:20 0.085 ND 14

07:30 0.076 ND 14

07:40 0.076 ND 16

07:50 0.084 ND 17

08:00 0.12 ND 17

08:10 0.11 ND 21

08:20 0.11 ND 20

08:30 0.12 ND 21

08:40 0.12 ND 20

08:50 0.12 ND 20

09:00 0.10 ND 22

09:10 0.068 ND 18

09:20 0.073 ND 19

09:30 0.067 ND 18

09:40 0.076 ND 18

09:50 0.084 ND 20

10:00 0.070 ND 17

10:10 0.098 ND 19

10:20 0.055 ND 19

10:30 0.099 ND 19

10:40 0.069 ND 20

10:50 0.060 ND 18

11:00 0.055 ND 19

11:10 ND ND 19

11:20 ND ND 17

11:30 ND ND 16

11:40 ND ND 15

11:50 ND ND 16

12:00 ND ND 17

12:10 ND ND 15

12:20 ND ND 16

12:30 ND ND 18

12:40 ND ND 21

12:50 ND ND 21

13:00 ND ND 21

13:10 ND ND 22

13:20 ND ND 23

13:30 ND ND 20

13:40 ND ND 18

13:50 ND ND 16

14:00 ND ND 16

14:10 ND ND 15

14:20 ND ND 12

14:30 ND ND 13

14:40 ND ND 12

14:50 ND ND 12

15:00 ND ND 9.6

15:10 ND ND 8.5

15:20 ND ND 11

15:30 ND ND 11

15:40 ND ND 13

15:50 ND ND 12

16:00 ND ND 16

16:10 ND ND 18

16:20 ND ND 17

16:30 ND ND 18

16:40 ND ND 17

16:50 ND ND 16

17:00 ND ND 12

17:10 ND ND 12

17:20 ND ND 12

17:30 ND ND 11

17:40 ND ND 11

17:50 ND ND 15

18:00 ND ND 17

18:10 ND ND 17

18:20 ND ND 17

18:30 ND ND 17

18:40 ND ND 19

18:50 ND ND 18

19:00 ND ND 18

19:10 ND ND 17

19:20 ND ND 17

19:30 ND ND 16

19:40 ND ND 13

19:50 ND ND 12

20:00 ND ND 13

20:10 ND ND 14

20:20 ND ND 13

20:30 ND ND 12

20:40 ND ND 13

20:50 ND ND 15

21:00 ND ND 16

21:10 ND ND 15

21:20 ND ND 15

21:30 ND ND 15

21:40 ND ND 18

21:50 ND ND 16

22:00 ND ND 15

22:10 ND ND 14

22:20 ND ND 13

22:30 ND ND 15

22:40 ND ND 13

22:50 ND ND 14

23:00 ND ND 14

23:10 ND ND 15

23:20 ND ND 13

23:30 ND ND 12

23:40 ND ND 12

23:50 ND ND 11

計測時刻	Cs137	Cs134	全β
00:00	0.065	ND	13
00:10	0.074	ND	12
00:20	0.056	ND	10
00:30	ND	ND	12
00:40	0.067	ND	10
00:50	0.055	ND	13
01:00	0.061	ND	14
01:10	0.055	ND	17
01:20	0.069	ND	16
01:30	0.082	ND	16
01:40	ND	ND	17
01:50	0.050	ND	17
02:00	ND	ND	18
02:10	ND	ND	17
02:20	ND	ND	17
02:30	ND	ND	16
02:40	0.051	ND	17
02:50	0.048	ND	16
03:00	0.060	ND	16
03:10	0.059	ND	16
03:20	0.062	ND	17
03:30	0.060	ND	19
03:40	0.055	ND	17
03:50	0.081	ND	19
04:00	0.083	ND	17
04:10	0.078	ND	15
04:20	0.094	ND	14
04:30	0.088	ND	12
04:40	0.093	ND	13
04:50	0.078	ND	15
05:00	0.069	ND	16
05:10	0.065	ND	15
05:20	ND	ND	16
05:30	ND	ND	16
05:40	ND	ND	17
05:50	ND	ND	15
06:00	ND	ND	14
06:10	ND	ND	16
06:20	0.055	ND	17
06:30	0.061	ND	16
06:40	0.065	ND	16
06:50	0.091	ND	14
07:00	0.077	ND	14
07:10	0.077	ND	13
07:20	0.085	ND	14
07:30	0.076	ND	14
07:40	0.076	ND	16
07:50	0.084	ND	17
08:00	0.12	ND	17
08:10	0.11	ND	21
08:20	0.11	ND	20
08:30	0.12	ND	21
08:40	0.12	ND	20
08:50	0.12	ND	20
09:00	0.10	ND	22
09:10	0.068	ND	18
09:20	0.073	ND	19
09:30	0.067	ND	18
09:40	0.076	ND	18
09:50	0.084	ND	20
10:00	0.070	ND	17
10:10	0.098	ND	19
10:20	0.055	ND	19
10:30	0.099	ND	19
10:40	0.069	ND	20
10:50	0.060	ND	18
11:00	0.055	ND	19
11:10	ND	ND	19
11:20	ND	ND	17
11:30	ND	ND	16
11:40	ND	ND	15
11:50	ND	ND	16
12:00	ND	ND	17
12:10	ND	ND	15
12:20	ND	ND	16
12:30	ND	ND	18
12:40	ND	ND	21
12:50	ND	ND	21
13:00	ND	ND	21
13:10	ND	ND	22
13:20	ND	ND	23
13:30	ND	ND	20
13:40	ND	ND	18
13:50	ND	ND	16
14:00	ND	ND	16
14:10	ND	ND	15
14:20	ND	ND	12
14:30	ND	ND	13
14:40	ND	ND	12
14:50	ND	ND	12
15:00	ND	ND	9.6
15:10	ND	ND	8.5
15:20	ND	ND	11
15:30	ND	ND	11
15:40	ND	ND	13
15:50	ND	ND	12
16:00	ND	ND	16
16:10	ND	ND	18
16:20	ND	ND	17
16:30	ND	ND	18
16:40	ND	ND	17
16:50	ND	ND	16
17:00	ND	ND	12
17:10	ND	ND	12
17:20	ND	ND	12
17:30	ND	ND	11
17:40	ND	ND	11
17:50	ND	ND	15
18:00	ND	ND	17
18:10	ND	ND	17
18:20	ND	ND	17
18:30	ND	ND	17
18:40	ND	ND	19
18:50	ND	ND	18
19:00	ND	ND	18
19:10	ND	ND	17
19:20	ND	ND	17
19:30	ND	ND	16
19:40	ND	ND	13
19:50	ND	ND	12
20:00	ND	ND	13
20:10	ND	ND	14
20:20	ND	ND	13
20:30	ND	ND	12
20:40	ND	ND	13
20:50	ND	ND	15
21:00	ND	ND	16
21:10	ND	ND	15
21:20	ND	ND	15
21:30	ND	ND	15
21:40	ND	ND	18
21:50	ND	ND	16
22:00	ND	ND	15
22:10	ND	ND	14
22:20	ND	ND	13
22:30	ND	ND	15
22:40	ND	ND	13
22:50	ND	ND	14
23:00	ND	ND	14
23:10	ND	ND	15
23:20	ND	ND	13
23:30	ND	ND	12
23:40	ND	ND	12
23:50	ND	ND	11