Radiation Dose measured at exhaust stack monitor of Fukushima Daiichi Nuclear Power Station

○Information

○Measurement value list ： 2026/08/10(CSV Download)

Stack Unit：cps　Wind Velocity Unit：m/s

※"-": the wind velocity is below 0.5m/s

Time	Unit 5,6 joint stack	Wind Direction	Wind Velocity
00:00	3.7	north	4.5
00:10	3.5	north-northwest	3.2
00:20	3.6	north-northwest	4.1
00:30	3.6	north	3.6
00:40	3.6	north-northwest	4.0
00:50	3.5	northwest	3.6
01:00	3.6	north-northwest	4.6
01:10	3.6	northwest	4.3
01:20	3.5	north-northwest	4.6
01:30	3.5	north-northwest	4.4
01:40	3.5	north-northwest	4.2
01:50	3.5	north-northwest	4.1
02:00	3.7	north-northwest	3.8
02:10	3.6	north	5.0
02:20	3.5	north	4.1
02:30	3.7	north	5.3
02:40	3.5	north	6.1
02:50	3.4	north	4.1
03:00	3.4	north	5.3
03:10	3.6	north	5.0
03:20	3.5	north	4.8
03:30	3.7	north	4.8
03:40	3.4	north	5.5
03:50	3.6	north	5.7
04:00	3.5	north	5.1
04:10	3.6	north-northwest	4.0
04:20	3.6	north-northwest	4.5
04:30	3.5	north	3.7
04:40	3.4	north	4.1
04:50	3.4	north	4.7
05:00	3.7	north	4.7
05:10	3.6	north	3.8
05:20	3.5	north-northwest	4.3
05:30	3.7	north	5.4
05:40	3.5	north-northwest	4.5
05:50	3.5	north	4.1
06:00	3.4	north	3.7
06:10	3.4	north	3.9
06:20	3.6	north	5.0
06:30	3.6	north	6.3
06:40	3.5	north	5.1
06:50	3.5	north	5.2
07:00	3.6	north	4.6
07:10	3.6	north	6.2
07:20	3.5	north	6.9
07:30	3.6	north-northeast	7.0
07:40	3.6	north	7.4
07:50	3.4	north	6.0
08:00	3.4	north	5.0
08:10	3.5	north	4.9
08:20	3.6	north	4.8
08:30	3.5	north	5.9
08:40	3.5	north	7.0
08:50	3.6	north-northeast	6.5
09:00	3.6	north	5.3
09:10	3.5	north	6.4
09:20	3.5	north	5.7
09:30	3.5	north	6.0
09:40	3.5	north	5.4
09:50	3.6	north	4.4
10:00	3.6	north	4.9
10:10	3.5	north	7.3
10:20	3.6	north	5.7
10:30	3.5	north	5.3
10:40	3.5	north-northeast	6.0
10:50	3.3	north-northeast	7.6
11:00	3.5	north-northeast	6.2
11:10	3.4	north-northeast	6.6
11:20	3.6	north	5.7
11:30	3.6	north-northeast	5.7
11:40	3.5	north	6.9
11:50	3.5	north-northeast	7.7
12:00	3.5	north-northeast	6.4
12:10	3.6	north	5.7
12:20	3.5	north	6.1
12:30	3.5	north-northeast	7.0
12:40	3.6	north-northeast	7.3
12:50	3.4	north-northeast	6.8
13:00	3.6	north-northeast	5.8
13:10	3.7	north	5.0
13:20	3.5	north-northeast	4.9
13:30	3.4	north	5.9
13:40	3.6	north	5.1
13:50	3.6	north	4.5
14:00	3.5	north-northeast	6.5
14:10	3.7	north-northeast	5.6
14:20	3.5	north	6.8
14:30	3.5	north	5.7
14:40	3.7	north	5.8
14:50	3.7	north	4.9
15:00	3.5	north	5.7
15:10	3.6	north	4.6
15:20	3.5	north	6.6
15:30	3.6	north	6.3
15:40	3.6	north	5.3
15:50	3.5	north	5.7
16:00	3.6	north-northeast	4.5
16:10	3.5	north-northeast	6.6
16:20	3.5	north	6.2
16:30	3.5	north	4.7
16:40	3.5	north	6.6
16:50	3.5	north	6.4
17:00	3.5	north-northeast	6.3
17:10	3.4	north	5.4
17:20	3.6	north	5.6
17:30	3.6	north	5.5
17:40	3.6	north-northwest	4.9
17:50	3.6	north	4.9
18:00	3.6	north	5.2
18:10	3.6	north	6.5
18:20	3.6	north	4.3
18:30	3.6	north	4.9
18:40	3.6	north	4.8
18:50	3.4	north-northwest	4.3
19:00	3.5	north-northwest	5.2
19:10	3.5	north-northwest	4.8
19:20	3.4	north-northwest	4.8
19:30	3.6	north-northwest	4.9
19:40	3.5	north	4.8
19:50	3.5	north	5.4
20:00	3.4	north	5.9
20:10	3.6	north	6.2
20:20	3.5	north	5.0
20:30	3.5	north-northwest	4.2
20:40	3.6	north-northwest	6.1
20:50	3.6	north-northwest	6.4
21:00	3.5	northwest	5.1
21:10	3.6	north-northwest	5.2
21:20	3.6	north-northwest	4.5
21:30	3.7	north-northwest	5.0
21:40	3.4	north	5.1
21:50	3.6	north-northwest	5.1
22:00	3.5	north	6.0
22:10	3.6	north-northwest	4.6
22:20	3.6	north-northwest	5.8
22:30	3.6	north	6.3
22:40	3.6	north	6.4
22:50	3.5	north-northwest	6.3
23:00	3.8	north-northwest	5.6
23:10	3.6	north	5.3
23:20	3.6	north	7.1
23:30	3.5	north	6.6
23:40	3.5	north-northwest	6.5
23:50	3.6	north	5.4