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

○Information

○Measurement value list ： 2026/11/08(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	north	4.0
00:10	3.5	north-northeast	4.3
00:20	3.5	north-northeast	3.9
00:30	3.6	north-northeast	2.5
00:40	3.4	north	3.4
00:50	3.5	northwest	1.5
01:00	3.5	northwest	1.3
01:10	3.6	north	1.0
01:20	3.5	east-northeast	0.6
01:30	3.4	east-northeast	1.6
01:40	3.5	east-northeast	1.1
01:50	3.5	east-southeast	1.5
02:00	3.5	east	1.2
02:10	3.5	south-southeast	1.5
02:20	3.6	south-southeast	0.7
02:30	3.4	southeast	0.7
02:40	3.4	south	1.8
02:50	3.5	south-southwest	2.2
03:00	3.7	southwest	1.7
03:10	3.6	west	1.4
03:20	3.6	west	0.9
03:30	3.5	west-southwest	1.9
03:40	3.6	west-southwest	2.6
03:50	3.5	west-southwest	1.7
04:00	3.5	west	2.3
04:10	3.3	west	1.8
04:20	3.5	west	1.5
04:30	3.4	west	1.2
04:40	3.6	west	0.8
04:50	3.6	west	0.8
05:00	3.6	west	1.8
05:10	3.3	west-southwest	1.5
05:20	3.5	northwest	1.0
05:30	3.5	west	1.5
05:40	3.5	west	2.4
05:50	3.6	west	2.0
06:00	3.5	west-southwest	2.0
06:10	3.4	west	1.9
06:20	3.4	west-northwest	1.5
06:30	3.5	west	1.8
06:40	3.6	west	3.0
06:50	3.6	west	2.6
07:00	3.4	west	2.7
07:10	3.4	west-northwest	3.0
07:20	3.5	west-northwest	3.6
07:30	3.4	west-northwest	2.8
07:40	3.5	west-northwest	4.4
07:50	3.5	west-northwest	4.2
08:00	3.4	west-northwest	4.7
08:10	3.5	west	4.6
08:20	3.5	west-northwest	3.6
08:30	3.4	west-northwest	2.7
08:40	3.3	northwest	2.6
08:50	3.6	northwest	3.2
09:00	3.4	north-northwest	3.9
09:10	3.5	north-northwest	3.3
09:20	3.5	north	3.9
09:30	3.4	north-northwest	2.6
09:40	3.4	north	3.2
09:50	3.4	north-northwest	3.6
10:00	3.3	north	2.6
10:10	3.4	north	2.5
10:20	3.6	northwest	1.8
10:30	3.5	north-northwest	4.0
10:40	3.5	northwest	2.7
10:50	3.6	west	3.6
11:00	3.6	west	3.3
11:10	3.4	west-northwest	2.2
11:20	3.4	north	3.0
11:30	3.4	north	2.5
11:40	3.4	northwest	1.5
11:50	3.4	northwest	3.2
12:00	3.4	north	3.8
12:10	3.3	north	1.7
12:20	3.5	north-northwest	1.7
12:30	3.5	north-northwest	0.7
12:40	3.5	north-northeast	2.6
12:50	3.6	north-northwest	2.1
13:00	3.6	northwest	3.7
13:10	3.5	north-northwest	3.1
13:20	3.3	northwest	2.4
13:30	3.5	west-northwest	4.4
13:40	3.5	northwest	4.1
13:50	3.6	northwest	5.4
14:00	3.4	northwest	4.4
14:10	3.4	north-northwest	5.2
14:20	3.5	north-northwest	5.5
14:30	3.4	northwest	5.7
14:40	3.5	north-northwest	5.4
14:50	3.5	northwest	4.9
15:00	3.6	north-northwest	4.2
15:10	3.6	north-northwest	3.5
15:20	3.4	northwest	2.4
15:30	3.6	northwest	2.4
15:40	3.4	north-northwest	1.7
15:50	3.4	north	1.5
16:00	3.4	north-northwest	2.7
16:10	3.4	northwest	4.7
16:20	3.6	northwest	5.2
16:30	3.5	northwest	4.4
16:40	3.5	northwest	4.5
16:50	3.5	northwest	6.0
17:00	3.6	northwest	6.6
17:10	3.7	northwest	6.5
17:20	3.6	northwest	6.1
17:30	3.5	northwest	5.6
17:40	3.6	northwest	3.9
17:50	3.6	northwest	2.0
18:00	3.5	northwest	1.9
18:10	3.4	northwest	1.9
18:20	3.6	west-southwest	1.2
18:30	3.5	west-northwest	1.5
18:40	3.7	northwest	1.1
18:50	3.4	northwest	1.4
19:00	3.5	west	1.4
19:10	3.5	west-northwest	1.7
19:20	3.5	northwest	2.4
19:30	3.5	northwest	3.0
19:40	3.4	northwest	3.1
19:50	3.4	northwest	2.5
20:00	3.5	northwest	2.2
20:10	3.4	north-northwest	3.4
20:20	3.5	north-northwest	5.1
20:30	3.4	north-northwest	5.1
20:40	3.3	north	2.5
20:50	3.4	north	1.9
21:00	3.4	north-northwest	3.7
21:10	3.5	northwest	3.0
21:20	3.5	north-northwest	2.0
21:30	3.6	north	1.3
21:40	3.4	northeast	0.9
21:50	3.4	north-northeast	2.5
22:00	3.6	north	3.5
22:10	3.4	north	2.7
22:20	3.4	north-northwest	1.2
22:30	3.5	north-northwest	1.6
22:40	3.4	north-northwest	2.4
22:50	3.5	north-northwest	2.7
23:00	3.5	north-northwest	2.8
23:10	3.4	north-northwest	2.1
23:20	3.6	north-northwest	1.1
23:30	3.5	northwest	0.8
23:40	3.4	north-northwest	0.9
23:50	3.3	west-northwest	0.9