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

○Information

○Measurement value list ： 2025/10/08(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	-	CALM
00:10	3.6	west-southwest	1.0
00:20	3.7	west	0.6
00:30	3.6	-	CALM
00:40	3.7	-	CALM
00:50	3.5	-	CALM
01:00	3.6	-	CALM
01:10	3.5	west	1.3
01:20	3.6	west	0.6
01:30	3.6	-	CALM
01:40	3.6	west	1.0
01:50	3.6	northwest	0.7
02:00	3.5	-	CALM
02:10	3.5	-	CALM
02:20	3.6	-	CALM
02:30	3.5	southwest	0.7
02:40	3.6	west-southwest	0.9
02:50	3.6	-	CALM
03:00	3.7	west-southwest	0.7
03:10	3.6	west-southwest	0.6
03:20	3.6	-	CALM
03:30	3.5	-	CALM
03:40	3.6	west-southwest	0.7
03:50	3.6	-	CALM
04:00	3.6	west-southwest	1.0
04:10	3.5	west	1.0
04:20	3.5	west-southwest	0.9
04:30	3.4	-	CALM
04:40	3.6	-	CALM
04:50	3.5	-	CALM
05:00	3.6	-	CALM
05:10	3.6	west	0.7
05:20	3.7	-	CALM
05:30	3.5	-	CALM
05:40	3.5	-	CALM
05:50	3.6	-	CALM
06:00	3.5	-	CALM
06:10	3.8	south-southwest	0.6
06:20	3.6	southeast	0.8
06:30	3.7	-	CALM
06:40	3.5	west-southwest	1.0
06:50	3.5	southwest	1.2
07:00	3.6	west-southwest	0.7
07:10	3.4	south	1.5
07:20	3.8	south	1.7
07:30	3.5	south-southeast	1.0
07:40	3.5	east	0.6
07:50	3.6	southeast	1.2
08:00	3.6	east-southeast	0.8
08:10	3.6	-	CALM
08:20	3.5	-	CALM
08:30	3.4	southwest	0.6
08:40	3.7	-	CALM
08:50	3.4	-	CALM
09:00	3.5	south	1.1
09:10	3.6	south-southeast	1.2
09:20	3.6	south-southeast	1.8
09:30	3.6	south-southwest	1.3
09:40	3.6	south	1.3
09:50	3.6	south-southeast	1.9
10:00	3.5	south-southwest	2.3
10:10	3.5	south-southeast	1.7
10:20	3.5	southeast	2.3
10:30	3.6	southeast	1.8
10:40	3.7	east-southeast	2.6
10:50	3.5	southeast	1.5
11:00	3.7	east-northeast	1.4
11:10	3.7	-	CALM
11:20	3.7	northeast	0.6
11:30	3.6	southeast	1.2
11:40	3.7	east-southeast	1.9
11:50	3.6	east-southeast	3.0
12:00	3.6	east-southeast	3.2
12:10	3.7	east-southeast	2.4
12:20	3.5	southeast	2.5
12:30	3.6	east-southeast	2.2
12:40	3.6	southeast	2.7
12:50	3.5	southeast	3.3
13:00	3.5	east-southeast	2.5
13:10	3.6	south-southeast	2.3
13:20	3.7	south-southeast	2.1
13:30	3.6	southeast	2.6
13:40	3.6	southeast	4.1
13:50	3.6	southeast	4.0
14:00	3.7	southeast	3.8
14:10	3.5	southeast	3.6
14:20	3.6	southeast	3.6
14:30	3.5	south-southeast	4.2
14:40	3.6	southeast	4.1
14:50	3.5	south-southeast	3.0
15:00	3.7	southeast	2.3
15:10	3.6	south-southeast	2.6
15:20	3.4	south-southeast	2.9
15:30	3.7	south-southeast	2.7
15:40	3.5	south-southeast	2.6
15:50	3.5	south	2.7
16:00	3.8	south	2.2
16:10	3.5	south	1.7
16:20	3.8	southwest	0.6
16:30	3.8	west-southwest	1.8
16:40	3.5	west	2.6
16:50	3.5	west-northwest	3.0
17:00	3.5	west-northwest	2.4
17:10	3.7	northwest	1.3
17:20	3.6	west-northwest	1.5
17:30	3.6	west-northwest	2.9
17:40	3.4	west-northwest	2.7
17:50	3.6	west-northwest	5.7
18:00	3.6	west-northwest	6.1
18:10	3.6	west-northwest	5.0
18:20	3.5	north-northwest	2.2
18:30	3.8	north-northwest	2.7
18:40	3.5	north-northwest	3.7
18:50	3.6	north-northwest	4.2
19:00	3.4	north-northwest	4.8
19:10	3.6	north-northwest	4.7
19:20	3.5	north-northwest	4.5
19:30	3.5	north	3.9
19:40	3.6	north-northwest	2.9
19:50	3.6	north-northwest	2.2
20:00	3.5	north-northwest	2.4
20:10	3.5	north-northwest	3.0
20:20	3.6	north-northwest	3.7
20:30	3.6	north-northwest	4.2
20:40	3.6	north-northwest	4.3
20:50	3.5	north-northwest	3.5
21:00	3.6	northwest	2.7
21:10	3.4	northwest	3.0
21:20	3.5	northwest	3.7
21:30	3.5	northwest	3.5
21:40	3.4	northwest	3.7
21:50	3.5	northwest	3.2
22:00	3.5	northwest	3.1
22:10	3.6	northwest	3.8
22:20	3.6	northwest	3.6
22:30	3.7	northwest	5.2
22:40	3.8	northwest	4.1
22:50	3.5	northwest	3.4
23:00	3.6	north-northwest	3.6
23:10	3.4	north-northwest	3.2
23:20	3.6	north	3.6
23:30	3.5	north-northwest	3.5
23:40	3.6	north-northwest	2.9
23:50	3.6	northwest	3.4