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

○Information

○Measurement value list ： 2025/10/26(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	3.6	northwest	6.2
00:10	3.6	northwest	6.0
00:20	3.5	northwest	7.2
00:30	3.6	north-northwest	6.8
00:40	3.7	northwest	5.7
00:50	3.6	northwest	5.5
01:00	3.7	northwest	5.9
01:10	3.6	northwest	5.7
01:20	3.7	northwest	4.7
01:30	3.6	northwest	6.0
01:40	3.5	north-northwest	5.8
01:50	3.6	northwest	5.7
02:00	3.5	northwest	5.4
02:10	3.8	northwest	6.4
02:20	3.6	northwest	5.5
02:30	3.6	northwest	4.5
02:40	3.6	northwest	4.3
02:50	3.6	northwest	5.5
03:00	3.6	northwest	5.8
03:10	3.6	north-northwest	6.2
03:20	3.7	northwest	6.2
03:30	3.6	north-northwest	6.7
03:40	3.7	northwest	6.7
03:50	3.6	northwest	6.7
04:00	3.5	northwest	6.6
04:10	3.4	northwest	5.6
04:20	3.6	northwest	5.0
04:30	3.5	northwest	5.9
04:40	3.5	northwest	5.8
04:50	3.6	northwest	5.3
05:00	3.5	northwest	5.0
05:10	3.6	northwest	5.5
05:20	3.7	northwest	5.9
05:30	3.7	northwest	6.1
05:40	3.6	northwest	5.2
05:50	3.7	northwest	5.5
06:00	3.7	north-northwest	5.9
06:10	3.6	northwest	5.8
06:20	3.6	northwest	5.2
06:30	3.7	northwest	5.8
06:40	3.5	northwest	5.7
06:50	3.6	northwest	5.6
07:00	3.6	northwest	6.2
07:10	3.5	northwest	5.6
07:20	3.6	northwest	5.8
07:30	3.5	northwest	6.6
07:40	3.7	northwest	6.1
07:50	3.4	northwest	6.0
08:00	3.8	northwest	6.3
08:10	3.5	northwest	7.5
08:20	3.6	west-northwest	6.0
08:30	3.5	northwest	6.2
08:40	3.6	northwest	6.3
08:50	3.4	northwest	4.7
09:00	3.6	northwest	5.0
09:10	3.7	northwest	4.6
09:20	3.6	northwest	4.6
09:30	3.7	northwest	4.5
09:40	3.6	northwest	4.8
09:50	3.5	northwest	4.7
10:00	3.6	northwest	4.2
10:10	3.4	northwest	4.2
10:20	3.5	north-northwest	4.4
10:30	3.7	north-northwest	4.1
10:40	3.6	north-northwest	3.3
10:50	3.8	north-northwest	4.7
11:00	3.5	northwest	3.9
11:10	3.5	northwest	4.4
11:20	3.6	north-northwest	4.3
11:30	3.7	northwest	4.4
11:40	3.6	north-northwest	4.0
11:50	3.8	northwest	3.3
12:00	3.5	northwest	3.3
12:10	3.4	north-northwest	3.4
12:20	3.7	north-northwest	3.0
12:30	3.7	north-northwest	3.4
12:40	3.7	north-northwest	3.7
12:50	3.6	north-northwest	4.0
13:00	3.6	northwest	3.9
13:10	3.6	north-northwest	3.7
13:20	3.7	northwest	2.9
13:30	3.5	north-northwest	3.6
13:40	3.7	north-northwest	3.6
13:50	3.6	north-northwest	2.5
14:00	3.7	north-northwest	2.4
14:10	3.5	north-northwest	2.2
14:20	3.6	north	2.4
14:30	3.6	north-northwest	1.7
14:40	3.6	north-northwest	2.0
14:50	3.6	north-northwest	2.3
15:00	3.6	north	3.2
15:10	3.6	north-northwest	2.6
15:20	3.7	north	2.2
15:30	3.7	north	2.2
15:40	3.5	north-northwest	1.6
15:50	3.6	north-northwest	2.9
16:00	3.5	north-northwest	2.3
16:10	3.7	north-northwest	2.4
16:20	3.7	north-northwest	3.0
16:30	3.5	north-northwest	3.4
16:40	3.6	northwest	3.1
16:50	3.5	northwest	2.8
17:00	3.7	northwest	2.6
17:10	3.7	northwest	2.9
17:20	3.6	northwest	2.2
17:30	3.7	northwest	1.9
17:40	3.7	north-northwest	1.2
17:50	3.5	north	1.2
18:00	3.7	north-northwest	1.2
18:10	3.7	north-northwest	2.2
18:20	3.4	northwest	2.7
18:30	3.6	northwest	3.7
18:40	3.6	northwest	3.7
18:50	3.6	northwest	3.3
19:00	3.5	north	2.1
19:10	3.5	northeast	1.7
19:20	3.7	north	1.2
19:30	3.5	north-northwest	1.3
19:40	3.8	north-northwest	1.8
19:50	3.6	north	1.9
20:00	3.4	north-northwest	0.6
20:10	3.6	northwest	0.7
20:20	3.6	northwest	1.0
20:30	3.6	northwest	2.0
20:40	3.4	northwest	3.3
20:50	3.7	northwest	3.5
21:00	3.5	northwest	3.9
21:10	3.6	northwest	3.9
21:20	3.5	northwest	2.4
21:30	3.7	north-northwest	2.0
21:40	3.6	north-northwest	2.5
21:50	3.6	north-northwest	3.3
22:00	3.6	northwest	4.4
22:10	3.5	northwest	3.6
22:20	3.6	north-northwest	4.0
22:30	3.6	north-northwest	4.9
22:40	3.6	north-northwest	4.9
22:50	3.5	north-northwest	4.4
23:00	3.6	north	3.7
23:10	3.6	north	2.9
23:20	3.6	northwest	2.7
23:30	3.6	west-northwest	3.6
23:40	3.6	west	4.7
23:50	3.6	west	5.0