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

○Information

○Measurement value list ： 2025/09/07(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-southwest	4.3
00:10	3.6	south	4.9
00:20	3.5	south-southwest	5.4
00:30	3.5	south-southwest	5.0
00:40	3.4	south	4.7
00:50	3.6	south	5.7
01:00	3.4	south	4.9
01:10	3.7	south	5.5
01:20	3.6	south	4.5
01:30	3.4	south	4.5
01:40	3.6	south	4.5
01:50	3.6	south-southeast	4.9
02:00	3.5	south	5.1
02:10	3.5	south-southeast	5.0
02:20	3.6	south	4.5
02:30	3.4	south	4.5
02:40	3.7	south-southeast	4.0
02:50	3.5	south	2.8
03:00	3.6	south-southeast	2.4
03:10	3.6	south-southeast	2.8
03:20	3.7	southeast	3.1
03:30	3.7	south-southeast	3.0
03:40	3.5	south-southeast	2.6
03:50	3.5	south-southeast	2.4
04:00	3.7	south	2.4
04:10	3.5	south	2.2
04:20	3.5	south-southwest	4.4
04:30	3.7	south-southwest	4.2
04:40	3.6	south-southwest	3.9
04:50	3.5	south-southwest	4.3
05:00	3.4	south-southwest	4.3
05:10	3.6	southwest	4.1
05:20	3.5	southwest	3.8
05:30	3.5	southwest	4.6
05:40	3.6	southwest	5.7
05:50	3.6	southwest	6.0
06:00	3.5	southwest	5.7
06:10	3.5	southwest	6.0
06:20	3.5	west-southwest	6.1
06:30	3.6	southwest	7.5
06:40	3.7	west-southwest	7.9
06:50	3.4	west-southwest	8.0
07:00	3.7	west-southwest	9.3
07:10	3.6	west-southwest	8.5
07:20	3.6	west-southwest	8.8
07:30	3.6	west-southwest	7.5
07:40	3.6	west-southwest	8.3
07:50	3.6	west-southwest	7.1
08:00	3.4	southwest	6.5
08:10	3.7	southwest	3.0
08:20	3.5	southwest	3.8
08:30	3.6	southwest	4.5
08:40	3.5	south	3.8
08:50	3.6	south-southeast	2.5
09:00	3.6	southeast	2.5
09:10	3.6	southeast	4.2
09:20	3.7	southeast	4.5
09:30	3.6	southeast	5.3
09:40	3.6	southeast	5.2
09:50	3.5	southeast	4.9
10:00	3.6	southeast	4.8
10:10	3.6	southeast	4.3
10:20	3.5	south-southeast	5.1
10:30	3.5	south-southeast	4.6
10:40	3.6	south-southeast	5.5
10:50	3.2	south-southeast	5.1
11:00	3.6	south-southeast	5.1
11:10	3.5	south-southeast	4.6
11:20	3.7	south-southeast	4.2
11:30	3.5	south-southeast	4.1
11:40	3.6	south-southeast	5.6
11:50	3.6	south-southeast	5.6
12:00	3.6	south-southeast	5.1
12:10	3.5	south-southeast	5.3
12:20	3.4	south	5.5
12:30	3.6	south-southeast	5.5
12:40	3.4	south-southeast	5.4
12:50	3.7	south-southeast	4.6
13:00	3.5	south-southeast	4.5
13:10	3.7	south-southeast	4.2
13:20	3.6	south-southeast	4.5
13:30	3.5	south-southeast	5.0
13:40	3.6	south-southeast	5.2
13:50	3.6	south-southeast	3.7
14:00	3.5	south-southeast	3.7
14:10	3.5	south	4.3
14:20	3.6	south	3.7
14:30	3.5	south	3.5
14:40	3.6	south-southeast	4.0
14:50	3.4	south-southeast	3.7
15:00	3.6	south-southeast	4.3
15:10	3.6	south	5.5
15:20	3.6	south	5.3
15:30	3.5	south	4.9
15:40	3.5	south	4.2
15:50	3.6	south	4.3
16:00	3.5	south	4.7
16:10	3.6	south	4.9
16:20	3.4	south	5.2
16:30	3.6	south	5.3
16:40	3.6	south	6.0
16:50	3.7	south	5.6
17:00	3.7	south-southwest	5.5
17:10	3.5	south	4.7
17:20	3.5	south-southwest	4.5
17:30	3.6	south-southwest	4.1
17:40	3.6	south-southwest	4.6
17:50	3.5	south-southwest	4.6
18:00	3.5	south-southwest	3.6
18:10	3.5	southwest	3.8
18:20	3.5	southwest	3.0
18:30	3.6	south-southwest	2.7
18:40	3.7	south-southwest	2.7
18:50	3.8	south	3.6
19:00	3.6	south	4.9
19:10	3.4	south	3.2
19:20	3.6	south	3.2
19:30	3.6	south	3.3
19:40	3.5	south	3.2
19:50	3.5	south	2.6
20:00	3.5	south-southwest	2.7
20:10	3.7	south	2.8
20:20	3.5	south	2.8
20:30	3.7	south	3.4
20:40	3.5	south-southeast	3.9
20:50	3.5	south-southeast	3.7
21:00	3.5	south	4.5
21:10	3.4	south-southeast	4.4
21:20	3.4	south	3.6
21:30	3.6	south	3.1
21:40	3.7	south	3.1
21:50	3.4	south	2.1
22:00	3.6	south-southwest	2.7
22:10	3.6	south-southwest	3.1
22:20	3.6	southwest	2.3
22:30	3.5	south-southwest	1.5
22:40	3.4	west-southwest	2.3
22:50	3.5	west-northwest	1.4
23:00	3.6	west-southwest	1.9
23:10	3.6	west-southwest	1.6
23:20	3.6	-	CALM
23:30	3.6	east-southeast	0.7
23:40	3.7	east	1.4
23:50	3.5	south-southeast	2.7