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

○Information

○Measurement value list ： 2025/11/09(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	southwest	1.7
00:10	3.5	south-southwest	2.3
00:20	3.5	south	2.6
00:30	3.4	south-southwest	3.3
00:40	3.6	south-southwest	3.6
00:50	3.3	south-southwest	3.1
01:00	3.7	southwest	3.0
01:10	3.7	south-southwest	3.1
01:20	3.4	south-southwest	3.8
01:30	3.5	south-southwest	3.9
01:40	3.6	south	3.3
01:50	3.5	south	4.0
02:00	3.6	south-southwest	3.9
02:10	3.5	south-southwest	3.8
02:20	3.4	south-southwest	4.0
02:30	3.7	southwest	3.5
02:40	3.5	south-southwest	2.6
02:50	3.6	southwest	2.2
03:00	3.5	southwest	1.9
03:10	3.6	south-southwest	2.2
03:20	3.5	south	3.6
03:30	3.7	south-southwest	3.6
03:40	3.6	south-southwest	2.8
03:50	3.5	south-southwest	1.8
04:00	3.5	south	3.8
04:10	3.6	south	5.7
04:20	3.3	south	5.5
04:30	3.5	south	5.6
04:40	3.6	south	5.5
04:50	3.5	south-southwest	4.9
05:00	3.5	south-southwest	5.4
05:10	3.6	south-southwest	3.3
05:20	3.6	southwest	2.3
05:30	3.6	southwest	3.0
05:40	3.4	southwest	3.7
05:50	3.6	southwest	3.1
06:00	3.5	southwest	4.0
06:10	3.5	southwest	3.4
06:20	3.3	south	2.6
06:30	3.5	south-southeast	2.8
06:40	3.6	-	CALM
06:50	3.6	west-northwest	1.6
07:00	3.6	west-southwest	0.7
07:10	3.6	south	0.6
07:20	3.6	south-southwest	1.0
07:30	3.5	south-southwest	1.1
07:40	3.7	southwest	2.4
07:50	3.6	southwest	2.5
08:00	3.6	south	2.4
08:10	3.5	southeast	2.7
08:20	3.6	south-southeast	2.7
08:30	3.6	south-southeast	2.3
08:40	3.4	south-southeast	3.2
08:50	3.6	south-southeast	4.8
09:00	3.5	south	4.6
09:10	3.6	south	6.0
09:20	3.6	south	7.1
09:30	3.7	south	6.8
09:40	3.4	south-southeast	6.5
09:50	3.7	south-southeast	6.3
10:00	3.5	south	5.6
10:10	3.6	south	6.4
10:20	3.6	south	7.0
10:30	3.7	south-southeast	7.0
10:40	3.5	south	6.2
10:50	3.5	south	5.4
11:00	3.6	south	5.1
11:10	3.6	south-southeast	5.2
11:20	3.7	south	6.6
11:30	3.7	south-southeast	6.8
11:40	3.5	south-southeast	6.4
11:50	3.4	south-southeast	6.3
12:00	3.6	south-southeast	5.8
12:10	3.6	south-southeast	5.9
12:20	3.6	south-southeast	6.2
12:30	3.6	south-southeast	5.8
12:40	3.6	south-southeast	5.3
12:50	3.5	south-southeast	3.9
13:00	3.4	south	2.7
13:10	3.7	south-southeast	3.3
13:20	3.5	south-southeast	3.8
13:30	3.4	south	2.2
13:40	3.5	south-southeast	1.3
13:50	3.6	south	1.9
14:00	3.5	south-southwest	2.1
14:10	3.6	south-southeast	3.0
14:20	3.8	south-southeast	3.4
14:30	3.7	south	2.9
14:40	3.5	south-southeast	3.9
14:50	3.6	south-southeast	4.0
15:00	3.6	south-southeast	3.7
15:10	3.6	south-southeast	3.5
15:20	3.7	south-southeast	3.7
15:30	3.7	south	3.9
15:40	3.5	south-southeast	3.7
15:50	3.6	south-southeast	4.9
16:00	3.7	south-southeast	5.8
16:10	3.5	south-southeast	6.8
16:20	3.5	south-southeast	7.0
16:30	3.5	south-southeast	7.3
16:40	3.6	south-southeast	7.0
16:50	3.5	south-southeast	5.9
17:00	3.6	south-southeast	6.1
17:10	3.5	south-southeast	5.4
17:20	3.7	south-southeast	5.8
17:30	3.6	south-southeast	5.9
17:40	3.5	south-southeast	6.1
17:50	3.6	south	6.1
18:00	3.5	south	4.4
18:10	3.7	south-southwest	3.1
18:20	3.6	southwest	2.3
18:30	3.6	west-southwest	3.8
18:40	3.4	south	2.7
18:50	3.8	southeast	2.0
19:00	3.5	south-southeast	2.1
19:10	3.5	south-southeast	1.1
19:20	3.6	south-southeast	2.2
19:30	3.5	south	2.3
19:40	3.6	south	2.4
19:50	3.6	south	2.5
20:00	3.6	south	2.6
20:10	3.6	south-southwest	2.8
20:20	3.8	southwest	3.3
20:30	3.5	south-southwest	4.0
20:40	3.5	south-southwest	5.5
20:50	3.5	south	6.2
21:00	3.6	south	6.1
21:10	3.5	south	6.4
21:20	3.6	south	5.5
21:30	3.4	south-southwest	5.2
21:40	3.5	south	5.0
21:50	3.5	south	4.8
22:00	3.5	south	4.2
22:10	3.5	south	4.8
22:20	3.6	south	5.5
22:30	3.6	south	4.4
22:40	3.6	south	3.6
22:50	3.6	south	3.6
23:00	3.6	south-southwest	4.1
23:10	3.6	south-southwest	4.3
23:20	3.6	southwest	5.2
23:30	3.5	south-southwest	6.6
23:40	3.6	south-southwest	6.3
23:50	3.6	southwest	6.5