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

○Information

○Measurement value list ： 2025/06/08(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	3.6	northwest	3.1
00:10	3.6	northwest	2.2
00:20	3.6	north-northwest	1.8
00:30	3.6	west-northwest	2.9
00:40	3.4	west-northwest	2.4
00:50	3.5	northwest	2.3
01:00	3.6	west-northwest	2.0
01:10	3.6	west	2.4
01:20	3.7	west	2.7
01:30	3.6	west-northwest	2.7
01:40	3.5	northwest	4.2
01:50	3.6	west-northwest	4.7
02:00	3.6	west-northwest	4.6
02:10	3.4	west	2.6
02:20	3.4	west-northwest	2.4
02:30	3.7	northwest	2.8
02:40	3.7	northwest	4.4
02:50	3.6	northwest	6.3
03:00	3.5	northwest	5.5
03:10	3.5	northwest	6.1
03:20	3.6	northwest	7.7
03:30	3.5	northwest	6.9
03:40	3.5	northwest	6.7
03:50	3.6	northwest	4.7
04:00	3.5	northwest	5.2
04:10	3.6	west-northwest	4.1
04:20	3.7	west-northwest	3.2
04:30	3.7	west-northwest	3.0
04:40	3.5	west-northwest	2.8
04:50	3.6	northwest	4.6
05:00	3.5	west-northwest	4.0
05:10	3.7	northwest	4.6
05:20	3.7	northwest	1.8
05:30	3.7	north-northwest	0.6
05:40	3.6	northwest	2.0
05:50	3.7	northwest	1.4
06:00	3.6	north-northwest	1.3
06:10	3.8	north-northwest	2.5
06:20	3.6	north-northwest	2.0
06:30	3.4	northwest	1.4
06:40	3.5	northwest	1.7
06:50	3.5	northwest	1.5
07:00	3.6	west-northwest	1.7
07:10	3.6	northwest	1.5
07:20	3.4	northwest	0.7
07:30	3.6	-	CALM
07:40	3.7	-	CALM
07:50	3.6	-	CALM
08:00	3.7	north-northeast	0.6
08:10	3.6	north	1.3
08:20	3.6	northeast	1.3
08:30	3.7	northeast	1.4
08:40	3.6	east-northeast	1.5
08:50	3.6	northeast	0.9
09:00	3.5	north-northeast	0.8
09:10	3.6	-	CALM
09:20	3.7	northeast	1.4
09:30	3.5	east-northeast	0.6
09:40	3.5	east-northeast	1.7
09:50	3.7	east-northeast	1.2
10:00	3.5	east-northeast	1.2
10:10	3.7	east	1.1
10:20	3.7	southeast	1.2
10:30	3.8	southeast	1.4
10:40	3.5	east	1.9
10:50	3.6	southeast	1.2
11:00	3.7	southeast	0.9
11:10	3.5	east-southeast	2.1
11:20	3.6	east	2.7
11:30	3.5	east-southeast	2.2
11:40	3.5	east	2.7
11:50	3.7	south-southeast	2.3
12:00	3.8	east-southeast	3.1
12:10	3.6	southeast	3.3
12:20	3.5	southeast	2.9
12:30	3.5	east-southeast	3.5
12:40	3.6	east-southeast	3.5
12:50	3.6	east-southeast	4.0
13:00	3.6	east-southeast	3.4
13:10	3.7	east-southeast	3.3
13:20	3.6	southeast	3.1
13:30	3.7	southeast	4.1
13:40	3.5	southeast	4.4
13:50	3.6	southeast	4.4
14:00	3.6	southeast	4.7
14:10	3.5	south-southeast	4.8
14:20	3.5	south-southeast	5.2
14:30	3.6	south-southeast	4.3
14:40	3.6	southeast	4.6
14:50	3.7	south-southeast	5.4
15:00	3.8	south-southeast	4.9
15:10	3.5	south-southeast	3.8
15:20	3.7	southeast	3.8
15:30	3.6	south-southeast	3.7
15:40	3.6	southeast	4.6
15:50	3.6	south-southeast	4.9
16:00	3.6	south-southeast	4.2
16:10	3.5	south-southeast	3.2
16:20	3.6	south-southeast	2.0
16:30	3.6	south-southeast	1.7
16:40	3.5	south	1.9
16:50	3.6	south	1.7
17:00	3.6	south-southeast	1.2
17:10	3.5	south	0.9
17:20	3.5	southeast	0.8
17:30	3.6	-	CALM
17:40	3.7	south-southeast	0.6
17:50	3.6	-	CALM
18:00	3.8	-	CALM
18:10	3.5	-	CALM
18:20	3.4	-	CALM
18:30	3.5	west	0.6
18:40	3.6	-	CALM
18:50	3.7	-	CALM
19:00	3.6	south-southwest	1.6
19:10	3.6	south	1.1
19:20	3.7	south	0.6
19:30	3.6	-	CALM
19:40	3.6	northeast	0.7
19:50	3.4	east-northeast	0.6
20:00	3.6	-	CALM
20:10	3.6	-	CALM
20:20	3.6	-	CALM
20:30	3.6	south-southwest	0.8
20:40	3.6	east	1.2
20:50	3.6	east	1.5
21:00	3.5	east-southeast	2.0
21:10	3.5	southeast	2.0
21:20	3.5	southeast	1.9
21:30	3.5	south-southeast	2.0
21:40	3.5	south	2.0
21:50	3.7	south-southwest	2.5
22:00	3.5	southwest	2.5
22:10	3.6	southwest	2.9
22:20	3.6	southwest	2.5
22:30	3.5	southwest	2.2
22:40	3.5	southwest	1.9
22:50	3.5	west-northwest	1.9
23:00	3.7	northwest	2.0
23:10	3.5	north	2.3
23:20	3.7	north-northwest	2.0
23:30	3.5	north-northwest	1.7
23:40	3.6	north-northwest	2.2
23:50	3.6	north-northwest	2.0