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

○Information

○Measurement value list ： 2025/08/13(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	3.4	northwest	1.9
00:10	3.5	north-northwest	3.2
00:20	3.5	north-northwest	3.4
00:30	3.7	north-northwest	3.8
00:40	3.6	north-northwest	3.7
00:50	3.6	northwest	3.2
01:00	3.5	west-northwest	3.7
01:10	3.4	northwest	3.5
01:20	3.6	northwest	3.6
01:30	3.6	northwest	3.5
01:40	3.5	northwest	3.7
01:50	3.6	northwest	3.0
02:00	3.6	northwest	3.9
02:10	3.6	northwest	3.7
02:20	3.6	west-northwest	4.4
02:30	3.6	northwest	4.3
02:40	3.5	northwest	4.3
02:50	3.6	northwest	4.1
03:00	3.6	northwest	3.5
03:10	3.5	northwest	4.0
03:20	3.6	northwest	4.7
03:30	3.5	west-northwest	4.5
03:40	3.6	northwest	4.6
03:50	3.5	west-northwest	5.4
04:00	3.6	west-northwest	4.7
04:10	3.6	west-northwest	4.4
04:20	3.6	west-northwest	3.9
04:30	3.8	west-northwest	4.1
04:40	3.5	west-northwest	4.5
04:50	3.6	west-northwest	3.8
05:00	3.5	west-northwest	4.1
05:10	3.7	west-northwest	4.7
05:20	3.5	west-northwest	4.7
05:30	3.4	west-northwest	4.3
05:40	3.6	west-northwest	4.6
05:50	3.6	west-northwest	4.9
06:00	3.5	west-northwest	5.0
06:10	3.7	west-northwest	5.6
06:20	3.7	west-northwest	6.0
06:30	3.5	west-northwest	5.5
06:40	3.7	west-northwest	5.4
06:50	3.6	west-northwest	6.1
07:00	3.5	west-northwest	5.9
07:10	3.7	west-northwest	5.9
07:20	3.5	west-northwest	5.9
07:30	3.5	northwest	5.4
07:40	3.7	west-northwest	5.6
07:50	3.5	west-northwest	5.1
08:00	3.6	northwest	4.9
08:10	3.6	west-northwest	5.4
08:20	3.5	northwest	3.9
08:30	3.6	north-northwest	3.4
08:40	3.5	north-northwest	3.6
08:50	3.7	northwest	2.9
09:00	3.6	north-northwest	3.9
09:10	3.6	north-northwest	3.3
09:20	3.6	north-northwest	3.9
09:30	3.6	north	3.3
09:40	3.6	north-northeast	5.6
09:50	3.5	north-northeast	5.7
10:00	3.5	north	5.2
10:10	3.5	north	4.9
10:20	3.6	north	5.7
10:30	3.7	north	4.8
10:40	3.5	north-northeast	5.9
10:50	3.4	north-northeast	7.4
11:00	3.6	north-northeast	4.6
11:10	3.5	north-northeast	5.8
11:20	3.6	north-northeast	5.8
11:30	3.4	north	4.4
11:40	3.6	north-northeast	6.3
11:50	3.7	north-northeast	4.8
12:00	3.4	north-northeast	4.6
12:10	3.7	north-northeast	4.7
12:20	3.7	north-northeast	4.6
12:30	3.6	north-northeast	4.7
12:40	3.7	northeast	5.3
12:50	3.6	northeast	4.4
13:00	3.4	north-northeast	3.8
13:10	3.5	north-northeast	3.8
13:20	3.6	north-northeast	4.0
13:30	3.5	north-northeast	3.6
13:40	3.5	northeast	2.8
13:50	3.5	east-northeast	2.7
14:00	3.5	east-northeast	3.3
14:10	3.5	northeast	2.5
14:20	3.6	east-northeast	2.3
14:30	3.5	east-northeast	1.8
14:40	3.6	northeast	2.0
14:50	3.6	northeast	2.7
15:00	3.5	east-northeast	3.3
15:10	3.5	northeast	3.6
15:20	3.7	north-northeast	2.3
15:30	3.5	northeast	2.9
15:40	3.6	northeast	2.7
15:50	3.6	northeast	3.7
16:00	3.5	east-northeast	2.8
16:10	3.6	east-northeast	2.8
16:20	3.6	northeast	2.4
16:30	3.7	east-northeast	2.4
16:40	3.5	east-northeast	3.1
16:50	3.4	northeast	2.1
17:00	3.5	east-northeast	1.8
17:10	3.7	northeast	1.5
17:20	3.5	east-northeast	1.9
17:30	3.6	northeast	0.7
17:40	3.6	northeast	1.5
17:50	3.7	-	CALM
18:00	3.6	west	0.8
18:10	3.6	west-northwest	0.6
18:20	3.7	-	CALM
18:30	3.4	-	CALM
18:40	3.5	-	CALM
18:50	3.5	-	CALM
19:00	3.5	-	CALM
19:10	3.5	-	CALM
19:20	3.4	-	CALM
19:30	3.5	-	CALM
19:40	3.7	-	CALM
19:50	3.5	east	0.9
20:00	3.5	northeast	0.7
20:10	3.6	east-northeast	0.9
20:20	3.5	east-northeast	0.8
20:30	3.7	-	CALM
20:40	3.6	-	CALM
20:50	3.6	-	CALM
21:00	3.6	-	CALM
21:10	3.7	-	CALM
21:20	3.4	northeast	0.6
21:30	3.6	north-northeast	0.6
21:40	3.6	-	CALM
21:50	3.7	-	CALM
22:00	3.6	-	CALM
22:10	3.4	northwest	0.6
22:20	3.4	northwest	1.1
22:30	3.7	west-northwest	1.3
22:40	3.4	west	2.0
22:50	3.6	west-northwest	1.4
23:00	3.6	west-northwest	1.0
23:10	3.6	northwest	1.0
23:20	3.6	west-northwest	1.1
23:30	3.7	west-northwest	1.3
23:40	3.5	northwest	1.1
23:50	3.6	west-northwest	1.2