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

○Information

○Measurement value list ： 2025/11/05(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	2.4
00:10	3.5	southwest	2.6
00:20	3.5	southwest	3.2
00:30	3.6	southwest	3.2
00:40	3.6	west-southwest	1.8
00:50	3.6	west-southwest	2.1
01:00	3.7	west-southwest	2.0
01:10	3.5	west-southwest	2.5
01:20	3.6	west-southwest	2.5
01:30	3.6	west-southwest	1.9
01:40	3.6	west-southwest	1.1
01:50	3.6	west	1.5
02:00	3.5	west	1.7
02:10	3.5	west	1.1
02:20	3.5	northwest	0.8
02:30	3.6	-	CALM
02:40	3.5	-	CALM
02:50	3.6	-	CALM
03:00	3.5	-	CALM
03:10	3.6	-	CALM
03:20	3.6	-	CALM
03:30	3.5	-	CALM
03:40	3.5	-	CALM
03:50	3.4	west-southwest	0.9
04:00	3.5	west-southwest	1.4
04:10	3.5	west	1.8
04:20	3.6	west-southwest	2.2
04:30	3.6	west	1.5
04:40	3.6	west-northwest	0.7
04:50	3.6	-	CALM
05:00	3.5	-	CALM
05:10	3.7	west-southwest	0.6
05:20	3.7	west-southwest	1.3
05:30	3.4	-	CALM
05:40	3.7	-	CALM
05:50	3.5	south-southwest	0.6
06:00	3.6	west-southwest	0.7
06:10	3.5	-	CALM
06:20	3.4	-	CALM
06:30	3.6	southwest	0.6
06:40	3.4	west-southwest	1.4
06:50	3.6	southwest	1.1
07:00	3.6	west	0.8
07:10	3.6	west-northwest	1.1
07:20	3.5	west	1.5
07:30	3.5	west	1.2
07:40	3.4	west	1.1
07:50	3.5	west-northwest	1.7
08:00	3.6	west-northwest	2.4
08:10	3.5	northwest	2.2
08:20	3.5	northwest	2.0
08:30	3.5	west-northwest	1.5
08:40	3.6	west-northwest	1.0
08:50	3.6	-	CALM
09:00	3.6	west-northwest	0.6
09:10	3.6	-	CALM
09:20	3.5	northeast	0.8
09:30	3.4	northwest	0.6
09:40	3.5	northeast	1.2
09:50	3.6	east	2.2
10:00	3.6	east-northeast	2.0
10:10	3.5	east	2.2
10:20	3.6	east	1.7
10:30	3.6	east	2.2
10:40	3.6	east-northeast	1.7
10:50	3.5	east-northeast	1.8
11:00	3.5	east-northeast	2.3
11:10	3.6	east	2.2
11:20	3.6	east	2.0
11:30	3.6	east	1.9
11:40	3.6	east	1.1
11:50	3.4	east	1.9
12:00	3.6	east	1.8
12:10	3.5	east	2.1
12:20	3.5	east-northeast	2.5
12:30	3.6	east-northeast	3.0
12:40	3.5	east	2.7
12:50	3.4	east-northeast	1.9
13:00	3.5	east-northeast	2.3
13:10	3.6	east-northeast	2.1
13:20	3.6	east-northeast	2.5
13:30	3.6	northeast	2.0
13:40	3.5	east	2.6
13:50	3.5	east	1.8
14:00	3.6	east-northeast	1.4
14:10	3.5	east	2.1
14:20	3.4	east-southeast	1.1
14:30	3.5	east	2.2
14:40	3.5	east-northeast	1.8
14:50	3.5	east-northeast	2.2
15:00	3.5	east	1.4
15:10	3.6	east	1.7
15:20	3.5	east	1.9
15:30	3.6	east	1.3
15:40	3.6	-	CALM
15:50	3.5	-	CALM
16:00	3.5	-	CALM
16:10	3.7	east-southeast	0.7
16:20	3.5	-	CALM
16:30	3.5	-	CALM
16:40	3.5	-	CALM
16:50	3.8	-	CALM
17:00	3.5	-	CALM
17:10	3.6	-	CALM
17:20	3.7	-	CALM
17:30	3.7	-	CALM
17:40	3.6	south-southwest	0.6
17:50	3.4	southwest	0.6
18:00	3.6	west	0.8
18:10	3.7	-	CALM
18:20	3.5	-	CALM
18:30	3.5	-	CALM
18:40	3.5	-	CALM
18:50	3.6	west	0.9
19:00	3.5	west	1.8
19:10	3.6	west	1.8
19:20	3.5	west	2.2
19:30	3.4	west	2.0
19:40	3.5	west	1.9
19:50	3.6	west	2.1
20:00	3.6	west	2.1
20:10	3.5	west	2.0
20:20	3.6	west	1.8
20:30	3.6	west	2.0
20:40	3.6	west	1.7
20:50	3.5	west	1.6
21:00	3.6	west	1.2
21:10	3.7	west	1.1
21:20	3.6	west	0.6
21:30	3.6	west-northwest	0.9
21:40	3.4	west	1.4
21:50	3.5	west	1.9
22:00	3.6	west	1.8
22:10	3.6	west	1.3
22:20	3.6	west-southwest	0.9
22:30	3.6	west-northwest	1.1
22:40	3.7	west-northwest	1.1
22:50	3.6	west	2.0
23:00	3.5	west	1.1
23:10	3.5	west	1.0
23:20	3.6	west	1.7
23:30	3.6	west-northwest	1.9
23:40	3.6	northwest	2.0
23:50	3.6	west-northwest	1.5