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

○Information

○Measurement value list ： 2025/06/24(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	south-southwest	0.9
00:10	3.6	south-southwest	2.0
00:20	3.5	south	2.0
00:30	3.6	south	2.0
00:40	3.6	south-southwest	1.2
00:50	3.6	southeast	0.9
01:00	3.5	southeast	0.9
01:10	3.7	southeast	0.6
01:20	3.5	south-southeast	0.7
01:30	3.6	east-southeast	1.0
01:40	3.4	south-southwest	1.1
01:50	3.4	southwest	1.4
02:00	3.6	west-southwest	0.6
02:10	3.5	west	1.1
02:20	3.6	west-northwest	0.7
02:30	3.4	south-southwest	0.8
02:40	3.5	northwest	0.6
02:50	3.6	west-northwest	1.4
03:00	3.4	west-northwest	1.4
03:10	3.7	northwest	1.5
03:20	3.5	northwest	1.4
03:30	3.6	north	1.2
03:40	3.6	north-northwest	1.1
03:50	3.5	northwest	1.8
04:00	3.6	northwest	1.9
04:10	3.5	northwest	1.4
04:20	3.5	northwest	1.6
04:30	3.6	northwest	2.5
04:40	3.8	northwest	2.8
04:50	3.5	west-northwest	2.3
05:00	3.5	west-northwest	1.0
05:10	3.6	northwest	2.0
05:20	3.5	northwest	3.6
05:30	3.7	northwest	2.6
05:40	3.6	north-northwest	2.2
05:50	3.5	north	0.7
06:00	3.6	-	CALM
06:10	3.5	east-southeast	1.2
06:20	3.6	east-southeast	2.0
06:30	3.5	east	2.2
06:40	3.7	east	2.1
06:50	3.6	east-southeast	2.1
07:00	3.6	southeast	1.4
07:10	3.5	east-southeast	1.0
07:20	3.5	-	CALM
07:30	3.6	-	CALM
07:40	3.5	-	CALM
07:50	3.5	northwest	1.4
08:00	3.5	northwest	1.5
08:10	3.5	west-southwest	1.0
08:20	3.7	west-northwest	1.0
08:30	3.6	east-southeast	0.8
08:40	3.7	east-northeast	0.9
08:50	3.4	-	CALM
09:00	3.5	-	CALM
09:10	3.6	north-northeast	0.7
09:20	3.6	north-northeast	1.0
09:30	3.5	north-northwest	1.2
09:40	3.6	-	CALM
09:50	3.5	-	CALM
10:00	3.6	northwest	1.9
10:10	3.6	north-northwest	2.0
10:20	3.7	northwest	0.7
10:30	3.7	northwest	2.1
10:40	3.5	north	1.5
10:50	3.6	north	2.8
11:00	3.6	north-northeast	1.6
11:10	3.5	north-northeast	3.2
11:20	3.6	north-northeast	4.2
11:30	3.5	north-northeast	4.3
11:40	3.6	north-northeast	3.2
11:50	3.5	north	2.4
12:00	3.6	north	1.3
12:10	3.6	north-northwest	1.8
12:20	3.6	north-northwest	2.4
12:30	3.7	north	1.6
12:40	3.5	northeast	0.7
12:50	3.8	-	CALM
13:00	3.5	north-northeast	0.8
13:10	3.8	-	CALM
13:20	3.6	southeast	0.9
13:30	3.6	south-southwest	1.1
13:40	3.5	south-southwest	0.8
13:50	3.7	southwest	1.1
14:00	3.5	south-southwest	0.6
14:10	3.5	south	0.7
14:20	3.6	east-southeast	0.9
14:30	3.6	south-southeast	2.2
14:40	3.6	south-southeast	1.7
14:50	3.6	southeast	1.7
15:00	3.5	south	1.7
15:10	3.6	south-southeast	2.8
15:20	3.5	south	2.8
15:30	3.5	south-southeast	3.5
15:40	3.6	south	2.4
15:50	3.6	south-southwest	2.7
16:00	3.6	south	2.7
16:10	3.6	south	2.4
16:20	3.7	south	2.3
16:30	3.6	south	4.1
16:40	3.7	south	3.1
16:50	3.6	south-southeast	2.4
17:00	3.5	south	2.6
17:10	3.6	south	3.4
17:20	3.5	south	3.3
17:30	3.5	south	3.5
17:40	3.5	south	3.8
17:50	3.7	south	5.1
18:00	3.5	south-southeast	4.5
18:10	3.7	south-southeast	5.2
18:20	3.6	south-southeast	4.4
18:30	3.5	south	4.7
18:40	3.7	south	5.6
18:50	3.7	south-southeast	5.7
19:00	3.6	south	4.9
19:10	3.5	south-southeast	4.4
19:20	3.6	south-southeast	3.9
19:30	3.8	south	4.0
19:40	3.6	south	3.3
19:50	3.5	south	3.3
20:00	3.6	south-southeast	3.8
20:10	3.6	south-southeast	2.9
20:20	3.6	south	4.0
20:30	3.4	south	3.3
20:40	3.6	south	1.7
20:50	3.6	south	3.9
21:00	3.6	south	4.0
21:10	3.6	south-southeast	4.5
21:20	3.8	south	4.5
21:30	3.6	south	4.7
21:40	3.6	south-southeast	3.7
21:50	3.6	south-southeast	4.1
22:00	3.6	south-southeast	5.0
22:10	3.6	south	5.1
22:20	3.5	south	5.6
22:30	3.5	south	4.6
22:40	3.5	south	5.0
22:50	3.7	south	4.7
23:00	3.7	south	4.3
23:10	3.5	south	4.5
23:20	3.5	south	3.9
23:30	3.4	south	3.9
23:40	3.7	south	2.9
23:50	3.6	south	2.7