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

○Information

○Measurement value list ： 2025/08/11(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	south-southeast	3.6
00:10	3.5	south-southeast	2.4
00:20	3.7	south	2.1
00:30	3.6	south	2.6
00:40	3.6	south	2.3
00:50	3.5	south-southeast	1.8
01:00	3.7	south-southeast	2.2
01:10	3.7	south-southeast	2.4
01:20	3.6	south-southeast	3.3
01:30	3.4	south-southeast	2.3
01:40	3.5	southeast	4.0
01:50	3.5	south-southeast	5.6
02:00	3.7	south-southeast	3.9
02:10	3.6	south-southeast	3.5
02:20	3.5	south	3.8
02:30	3.6	south	3.1
02:40	3.6	south	2.9
02:50	3.5	south	3.3
03:00	3.5	south-southwest	2.8
03:10	3.6	south	2.9
03:20	3.7	south	1.9
03:30	3.7	south-southeast	2.5
03:40	3.6	south-southeast	3.0
03:50	3.6	south-southeast	3.5
04:00	3.6	south	3.5
04:10	3.5	south-southwest	2.9
04:20	3.7	south	2.3
04:30	3.6	south	1.8
04:40	3.4	south-southeast	2.7
04:50	3.7	south	3.1
05:00	3.6	south	3.2
05:10	3.8	south	3.7
05:20	3.6	south	3.1
05:30	3.6	south-southeast	2.9
05:40	3.5	south-southeast	3.7
05:50	3.7	south	3.4
06:00	3.6	south-southeast	3.9
06:10	3.6	south	4.4
06:20	3.5	south	4.5
06:30	3.7	south	4.5
06:40	3.6	south-southwest	4.9
06:50	3.6	south	5.3
07:00	3.5	south	5.5
07:10	3.6	south	5.9
07:20	3.6	south	5.9
07:30	3.7	south	6.0
07:40	3.6	south	6.3
07:50	3.6	south	6.1
08:00	3.6	south	7.1
08:10	3.5	south	6.4
08:20	3.7	south	5.9
08:30	3.5	south	4.4
08:40	3.4	south	4.3
08:50	3.6	south	4.5
09:00	3.5	south-southeast	4.2
09:10	3.5	south	3.7
09:20	3.6	south	3.7
09:30	3.6	south	3.8
09:40	3.6	south-southeast	3.1
09:50	3.5	south-southeast	2.4
10:00	3.6	south-southeast	3.0
10:10	3.6	south-southeast	3.4
10:20	3.5	south-southeast	3.0
10:30	3.5	south-southeast	4.3
10:40	3.5	south-southeast	3.4
10:50	3.5	south-southeast	3.3
11:00	3.7	south-southeast	3.1
11:10	3.7	south-southeast	2.7
11:20	3.3	south-southeast	3.1
11:30	3.4	south-southeast	3.9
11:40	3.6	south-southeast	6.3
11:50	3.5	south-southeast	7.9
12:00	3.5	south-southeast	7.8
12:10	3.7	south-southeast	7.0
12:20	3.6	south	5.2
12:30	3.6	south-southeast	4.8
12:40	3.6	south	5.2
12:50	3.5	south-southeast	4.8
13:00	3.6	south	5.4
13:10	3.5	south	3.5
13:20	3.6	south-southeast	2.6
13:30	3.7	south	3.3
13:40	3.4	south	3.7
13:50	3.5	south-southeast	3.1
14:00	3.6	south-southeast	2.5
14:10	3.5	southeast	1.9
14:20	3.5	south-southeast	2.7
14:30	3.6	south-southeast	2.4
14:40	3.5	southeast	2.8
14:50	3.7	south-southeast	2.4
15:00	3.5	south-southeast	2.5
15:10	3.7	south-southeast	2.5
15:20	3.5	south	2.2
15:30	3.7	south-southeast	2.5
15:40	3.5	south-southeast	2.5
15:50	3.6	south-southeast	2.9
16:00	3.5	south-southeast	2.9
16:10	3.7	south-southeast	2.8
16:20	3.6	south-southeast	4.3
16:30	3.6	south-southeast	4.0
16:40	3.5	south-southeast	4.5
16:50	3.6	south-southeast	4.7
17:00	3.5	south	4.8
17:10	3.6	south	4.0
17:20	3.7	south-southwest	3.1
17:30	3.6	south	2.9
17:40	3.6	south	3.2
17:50	3.6	south	3.7
18:00	3.7	south	4.0
18:10	3.5	south	3.2
18:20	3.5	south-southwest	3.5
18:30	3.6	south-southwest	3.5
18:40	3.6	southwest	3.2
18:50	3.4	southwest	2.4
19:00	3.6	south-southwest	1.6
19:10	3.5	south-southwest	2.1
19:20	3.7	south-southwest	2.3
19:30	3.6	south-southwest	2.2
19:40	3.6	south-southwest	2.4
19:50	3.6	southwest	3.5
20:00	3.5	southwest	2.7
20:10	3.6	southwest	2.5
20:20	3.6	southwest	2.1
20:30	3.5	south-southwest	2.6
20:40	3.4	south-southwest	2.5
20:50	3.6	south-southwest	2.1
21:00	3.5	southwest	2.7
21:10	3.6	southwest	2.1
21:20	3.6	south	1.3
21:30	3.6	south-southeast	1.5
21:40	3.4	south-southeast	2.2
21:50	3.6	south	2.2
22:00	3.6	south-southwest	3.4
22:10	3.5	south-southwest	3.0
22:20	3.7	south-southwest	2.5
22:30	3.5	south-southwest	2.8
22:40	3.4	southwest	2.9
22:50	3.5	south-southwest	2.4
23:00	3.5	southwest	1.3
23:10	3.6	south	0.6
23:20	3.6	-	CALM
23:30	3.6	-	CALM
23:40	3.6	-	CALM
23:50	3.6	west-southwest	0.6