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

○Information

○Measurement value list ： 2026/10/02(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	northeast	1.6
00:10	3.6	northeast	1.7
00:20	3.7	north-northeast	2.6
00:30	3.6	north	3.2
00:40	3.6	north-northwest	2.3
00:50	3.7	north	4.9
01:00	3.6	north	5.4
01:10	3.5	north	5.2
01:20	3.7	north	4.2
01:30	3.6	north-northwest	4.4
01:40	3.6	north-northwest	4.6
01:50	3.6	northwest	3.7
02:00	3.7	north-northwest	4.1
02:10	3.5	north-northwest	4.6
02:20	3.5	north-northwest	7.3
02:30	3.5	north-northwest	7.5
02:40	3.6	north-northwest	7.0
02:50	3.5	north-northwest	6.5
03:00	3.6	north-northwest	5.0
03:10	3.6	north-northwest	2.8
03:20	3.4	north-northwest	4.1
03:30	3.7	north-northwest	3.5
03:40	3.8	north	1.2
03:50	3.6	north-northwest	1.9
04:00	3.6	north-northwest	2.1
04:10	3.6	north-northwest	3.2
04:20	3.6	north-northwest	3.0
04:30	3.6	north-northwest	5.8
04:40	3.5	north-northwest	6.7
04:50	3.5	north-northwest	4.9
05:00	3.6	north-northwest	3.7
05:10	3.6	north-northwest	2.9
05:20	3.5	north-northwest	3.5
05:30	3.6	north-northwest	2.3
05:40	3.4	north	2.8
05:50	3.6	north-northwest	1.5
06:00	3.5	north	2.2
06:10	3.4	north	3.1
06:20	3.6	north	1.9
06:30	3.8	north	1.1
06:40	3.6	northwest	0.9
06:50	3.6	north-northwest	1.2
07:00	3.5	north	2.5
07:10	3.5	north-northwest	1.4
07:20	3.5	northwest	0.8
07:30	3.6	north-northwest	2.0
07:40	3.6	north	1.8
07:50	3.6	north-northwest	1.0
08:00	3.7	north	1.0
08:10	3.5	north	1.1
08:20	3.5	north-northeast	1.2
08:30	3.5	north-northeast	1.6
08:40	3.6	northeast	2.1
08:50	3.6	north-northwest	1.6
09:00	3.5	north	1.7
09:10	3.5	north-northeast	1.5
09:20	3.6	northeast	1.4
09:30	3.6	northeast	1.0
09:40	3.7	east-northeast	1.4
09:50	3.6	east-northeast	1.4
10:00	3.7	east	1.2
10:10	3.8	east	0.7
10:20	3.6	southeast	1.1
10:30	3.5	south	2.4
10:40	3.6	south	2.0
10:50	3.5	south	2.0
11:00	3.6	south	2.2
11:10	3.5	southeast	2.6
11:20	3.5	southeast	2.7
11:30	3.6	southeast	2.6
11:40	3.6	southeast	3.7
11:50	3.5	southeast	3.8
12:00	3.6	south-southeast	3.9
12:10	3.5	south-southeast	3.5
12:20	3.6	southeast	3.3
12:30	3.7	south-southeast	3.5
12:40	3.7	southeast	3.2
12:50	3.7	south-southeast	3.2
13:00	3.5	southeast	3.8
13:10	3.6	south-southeast	4.1
13:20	3.5	southeast	4.0
13:30	3.7	southeast	4.2
13:40	3.7	southeast	4.6
13:50	3.4	southeast	3.3
14:00	3.7	southeast	3.4
14:10	3.6	southeast	3.6
14:20	3.6	east-southeast	2.6
14:30	3.5	east	1.0
14:40	3.6	east	1.8
14:50	3.6	northeast	2.7
15:00	3.5	north	2.1
15:10	3.6	north	2.0
15:20	3.5	north-northeast	2.2
15:30	3.6	north-northeast	2.8
15:40	3.5	north-northeast	2.6
15:50	3.7	north-northeast	3.7
16:00	3.4	northeast	4.9
16:10	3.6	northeast	4.6
16:20	3.5	northeast	3.7
16:30	3.5	northeast	3.2
16:40	3.6	northeast	2.4
16:50	3.6	north-northeast	2.1
17:00	3.6	north-northeast	1.6
17:10	3.5	north	1.2
17:20	3.5	north-northwest	1.4
17:30	3.5	northwest	2.0
17:40	3.5	west	1.5
17:50	3.7	west-southwest	1.5
18:00	3.4	west	1.9
18:10	3.5	west-northwest	3.2
18:20	3.4	west-northwest	2.7
18:30	3.5	west	3.0
18:40	3.3	west	1.7
18:50	3.6	west-northwest	2.8
19:00	3.5	west	3.7
19:10	3.7	west-northwest	2.7
19:20	3.5	west-northwest	3.8
19:30	3.6	west-northwest	2.2
19:40	3.5	west-northwest	3.3
19:50	3.5	northwest	3.2
20:00	3.5	northwest	3.5
20:10	3.7	northwest	5.8
20:20	3.7	northwest	6.2
20:30	3.6	northwest	5.7
20:40	3.5	northwest	5.3
20:50	3.4	northwest	4.8
21:00	3.5	northwest	4.7
21:10	3.6	northwest	5.6
21:20	3.6	northwest	5.3
21:30	3.6	northwest	5.6
21:40	3.5	northwest	5.5
21:50	3.5	northwest	5.8
22:00	3.7	northwest	6.2
22:10	3.5	west-northwest	5.1
22:20	3.5	northwest	3.3
22:30	3.4	west-northwest	4.0
22:40	3.6	west-northwest	6.4
22:50	3.4	northwest	6.3
23:00	3.7	west-northwest	5.8
23:10	3.5	west-northwest	3.4
23:20	3.6	west-northwest	5.5
23:30	3.5	west-northwest	6.1
23:40	3.5	west-northwest	6.1
23:50	3.5	northwest	4.4