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

○Information

○Measurement value list ： 2025/11/23(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	3.5	south	1.2
00:10	3.6	south-southeast	1.8
00:20	3.7	south-southeast	2.1
00:30	3.5	south-southwest	1.6
00:40	3.6	south-southeast	1.5
00:50	3.7	south-southeast	1.6
01:00	3.7	east-southeast	1.5
01:10	3.7	east	1.7
01:20	3.5	east	1.7
01:30	3.5	east	1.2
01:40	3.7	-	CALM
01:50	3.8	south-southeast	0.6
02:00	3.5	south-southwest	0.6
02:10	3.7	south-southeast	0.8
02:20	3.8	south-southwest	1.0
02:30	3.6	southwest	1.3
02:40	3.6	south-southwest	1.0
02:50	3.7	south-southwest	1.4
03:00	3.5	southwest	1.6
03:10	3.5	southwest	2.4
03:20	3.7	south-southwest	2.6
03:30	3.7	south	2.3
03:40	3.5	south	2.4
03:50	3.8	south	1.9
04:00	3.9	south-southwest	2.2
04:10	3.7	south-southwest	2.9
04:20	3.6	south	4.6
04:30	3.6	south	4.9
04:40	3.6	south	4.2
04:50	3.6	south	4.4
05:00	3.6	south	4.2
05:10	3.5	south	4.6
05:20	3.6	south	3.6
05:30	3.4	south	3.7
05:40	3.6	south	4.8
05:50	3.5	south	5.1
06:00	3.6	south-southeast	5.2
06:10	3.7	south	5.3
06:20	3.5	south	5.3
06:30	3.7	south	5.9
06:40	3.8	south	5.2
06:50	3.6	south	5.2
07:00	3.6	south-southwest	3.4
07:10	3.7	south-southwest	4.8
07:20	3.6	south	5.0
07:30	3.5	south	4.3
07:40	3.7	south-southwest	3.8
07:50	3.6	south	3.0
08:00	3.6	south-southeast	3.3
08:10	3.6	south-southeast	3.3
08:20	3.6	south-southeast	4.3
08:30	3.6	south	3.0
08:40	3.6	south	2.8
08:50	3.8	south-southeast	2.8
09:00	3.8	south	4.7
09:10	3.5	south	4.6
09:20	3.5	south	4.0
09:30	3.7	south	4.5
09:40	3.5	south	4.0
09:50	3.6	south-southeast	2.8
10:00	3.6	south-southeast	2.0
10:10	3.6	southwest	4.0
10:20	3.7	south-southwest	3.2
10:30	3.6	south	2.9
10:40	3.5	south-southeast	3.4
10:50	3.5	south-southeast	3.5
11:00	3.6	south-southeast	2.8
11:10	3.6	south-southeast	3.8
11:20	3.6	south-southeast	3.8
11:30	3.8	south-southeast	3.1
11:40	3.5	southeast	2.7
11:50	3.6	south-southeast	2.6
12:00	3.5	southeast	2.9
12:10	3.5	south-southeast	2.4
12:20	3.6	south-southeast	2.2
12:30	3.7	southeast	2.1
12:40	3.5	south-southeast	2.0
12:50	3.7	south-southeast	2.6
13:00	3.7	south	3.1
13:10	3.6	south-southeast	3.7
13:20	3.6	south-southeast	5.0
13:30	3.5	south-southeast	6.2
13:40	3.5	south-southeast	5.4
13:50	3.6	south-southeast	5.2
14:00	3.7	south-southeast	5.7
14:10	3.4	south-southeast	5.7
14:20	3.7	south-southeast	5.3
14:30	3.7	south-southeast	4.8
14:40	3.7	south-southeast	4.8
14:50	3.8	south-southeast	6.1
15:00	3.5	south-southeast	5.2
15:10	3.6	south-southeast	5.7
15:20	3.7	south-southeast	5.1
15:30	3.7	south-southeast	5.7
15:40	3.6	south-southeast	3.6
15:50	3.6	south-southeast	3.1
16:00	3.7	south-southeast	3.6
16:10	3.7	south-southeast	3.3
16:20	3.6	southeast	3.4
16:30	3.6	south-southeast	4.2
16:40	3.6	south-southeast	4.2
16:50	3.8	south-southeast	3.0
17:00	3.6	south	2.8
17:10	3.6	south-southeast	2.0
17:20	3.8	south-southeast	2.9
17:30	3.6	south-southeast	3.4
17:40	3.4	south-southeast	3.6
17:50	3.6	southeast	4.0
18:00	3.8	southeast	3.9
18:10	3.6	south-southeast	3.5
18:20	3.6	south-southeast	2.5
18:30	3.7	south-southeast	2.1
18:40	3.5	south	2.3
18:50	3.6	south-southeast	3.0
19:00	3.8	south-southeast	2.7
19:10	3.4	south-southeast	2.3
19:20	3.6	south	1.7
19:30	3.5	south	1.4
19:40	3.5	south-southwest	1.4
19:50	3.6	southwest	1.1
20:00	3.6	southwest	1.3
20:10	3.7	south-southwest	1.4
20:20	3.7	south-southwest	1.4
20:30	3.6	southwest	2.1
20:40	3.6	southwest	2.9
20:50	3.6	southwest	2.4
21:00	3.6	southwest	2.1
21:10	3.6	southwest	2.3
21:20	3.5	southwest	2.1
21:30	3.7	west-southwest	2.2
21:40	3.6	southwest	2.6
21:50	3.7	southwest	2.2
22:00	3.5	west-southwest	1.8
22:10	3.5	west-southwest	1.3
22:20	3.6	west	0.7
22:30	3.7	west-northwest	1.1
22:40	3.6	northwest	1.1
22:50	3.6	northwest	1.7
23:00	3.6	north-northwest	1.3
23:10	3.6	north	2.0
23:20	3.6	north-northwest	1.8
23:30	3.8	north-northwest	2.3
23:40	3.7	north-northwest	2.1
23:50	3.5	northwest	2.2