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

○Information

○Measurement value list ： 2025/08/10(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	0.8
00:10	3.6	-	CALM
00:20	3.6	-	CALM
00:30	3.6	-	CALM
00:40	3.6	-	CALM
00:50	3.6	-	CALM
01:00	3.5	east-southeast	0.7
01:10	3.5	-	CALM
01:20	3.5	south-southwest	0.7
01:30	3.7	-	CALM
01:40	3.5	-	CALM
01:50	3.5	-	CALM
02:00	3.5	-	CALM
02:10	3.6	west-southwest	0.7
02:20	3.6	-	CALM
02:30	3.5	southwest	1.0
02:40	3.6	-	CALM
02:50	3.6	-	CALM
03:00	3.5	-	CALM
03:10	3.4	south-southeast	0.6
03:20	3.7	south	0.7
03:30	3.5	-	CALM
03:40	3.7	-	CALM
03:50	3.7	north	1.1
04:00	3.6	north-northwest	1.3
04:10	3.6	northwest	1.3
04:20	3.5	north-northwest	0.6
04:30	3.6	north-northwest	0.7
04:40	3.8	northwest	0.8
04:50	3.7	north-northwest	0.6
05:00	3.5	northwest	1.2
05:10	3.5	northwest	1.8
05:20	3.6	north-northwest	1.6
05:30	3.6	north-northwest	1.8
05:40	3.5	north-northwest	2.1
05:50	3.8	north-northwest	1.2
06:00	3.4	north-northwest	2.3
06:10	3.5	north-northwest	1.9
06:20	3.7	north-northwest	2.4
06:30	3.6	north-northwest	2.7
06:40	3.6	north-northwest	2.8
06:50	3.5	north-northwest	2.8
07:00	3.6	north-northwest	2.7
07:10	3.6	north-northwest	2.5
07:20	3.7	north-northwest	2.2
07:30	3.4	north-northwest	2.0
07:40	3.6	northwest	1.8
07:50	3.6	north-northwest	1.9
08:00	3.5	north-northwest	1.4
08:10	3.6	north-northwest	1.3
08:20	3.5	north	1.5
08:30	3.5	north-northeast	0.9
08:40	3.7	northeast	0.9
08:50	3.6	northeast	0.6
09:00	3.5	northeast	0.7
09:10	3.6	-	CALM
09:20	3.6	east-southeast	1.2
09:30	3.7	south-southeast	1.6
09:40	3.4	south-southeast	1.6
09:50	3.6	south-southeast	1.5
10:00	3.5	south	1.4
10:10	3.5	south-southeast	0.7
10:20	3.5	southeast	1.3
10:30	3.6	southeast	1.3
10:40	3.5	south-southeast	2.0
10:50	3.6	south-southeast	2.0
11:00	3.5	south-southeast	2.1
11:10	3.5	south-southeast	2.3
11:20	3.5	southeast	2.1
11:30	3.4	southeast	2.2
11:40	3.5	south-southeast	2.4
11:50	3.6	south-southeast	2.7
12:00	3.6	south-southeast	2.1
12:10	3.5	south-southeast	3.0
12:20	3.4	south-southeast	3.4
12:30	3.6	south-southeast	3.5
12:40	3.7	south-southeast	3.2
12:50	3.6	south-southeast	3.7
13:00	3.6	south-southeast	4.0
13:10	3.5	south-southeast	3.6
13:20	3.6	southeast	3.6
13:30	3.5	southeast	4.4
13:40	3.6	southeast	3.5
13:50	3.6	south-southeast	3.2
14:00	3.7	southeast	3.7
14:10	3.6	south-southeast	4.1
14:20	3.6	south-southeast	3.8
14:30	3.3	south-southeast	3.2
14:40	3.5	south-southeast	3.3
14:50	3.5	south-southeast	2.8
15:00	3.6	south-southeast	3.9
15:10	3.4	south-southeast	4.1
15:20	3.6	south-southeast	4.8
15:30	3.5	south-southeast	4.0
15:40	3.6	south-southeast	4.8
15:50	3.5	south-southeast	4.4
16:00	3.5	south-southeast	4.2
16:10	3.4	south	4.3
16:20	3.5	south-southeast	4.3
16:30	3.6	south	3.1
16:40	3.7	south	2.8
16:50	3.5	south-southeast	4.2
17:00	3.6	south-southeast	4.2
17:10	3.6	south-southeast	3.5
17:20	3.5	south	3.7
17:30	3.6	south	3.2
17:40	3.7	south	2.0
17:50	3.5	south	2.3
18:00	3.5	south	2.2
18:10	3.6	south	2.7
18:20	3.6	south-southeast	3.1
18:30	3.6	south	4.0
18:40	3.5	south	3.6
18:50	3.6	south-southeast	3.8
19:00	3.6	south-southeast	3.6
19:10	3.6	south-southeast	3.4
19:20	3.5	south-southeast	3.4
19:30	3.5	south-southeast	3.7
19:40	3.6	south-southeast	4.6
19:50	3.6	south-southeast	6.2
20:00	3.6	south	6.5
20:10	3.5	south-southeast	6.5
20:20	3.5	south-southeast	5.7
20:30	3.6	south-southeast	5.3
20:40	3.5	south-southeast	4.7
20:50	3.5	south	5.2
21:00	3.4	south	4.6
21:10	3.6	south	4.2
21:20	3.6	south-southeast	3.4
21:30	3.6	south	3.5
21:40	3.5	south	3.4
21:50	3.6	south-southeast	2.7
22:00	3.7	south-southeast	2.4
22:10	3.6	south-southeast	2.9
22:20	3.6	south-southeast	3.0
22:30	3.5	south-southeast	3.7
22:40	3.5	south-southeast	4.0
22:50	3.4	south	4.1
23:00	3.6	south	3.5
23:10	3.5	south	3.6
23:20	3.6	south	3.5
23:30	3.7	south	3.7
23:40	3.8	south	3.4
23:50	3.6	south-southeast	2.7