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

○Information

○Measurement value list ： 2025/08/16(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	2.5
00:10	3.7	north-northwest	2.2
00:20	3.6	north-northwest	2.6
00:30	3.6	northwest	2.6
00:40	3.4	northwest	2.9
00:50	3.4	north-northwest	2.3
01:00	3.6	north-northwest	2.9
01:10	3.6	northwest	2.4
01:20	3.4	north	1.7
01:30	3.5	north-northwest	1.0
01:40	3.5	north	1.0
01:50	3.6	north	1.5
02:00	3.6	north	1.5
02:10	3.6	north	2.0
02:20	3.5	north	2.1
02:30	3.5	north-northwest	2.0
02:40	3.6	north-northwest	2.2
02:50	3.5	northwest	1.9
03:00	3.6	west-northwest	2.6
03:10	3.5	west	2.2
03:20	3.6	west-northwest	1.6
03:30	3.7	northwest	1.7
03:40	3.6	north-northwest	2.0
03:50	3.6	north-northwest	1.8
04:00	3.5	north-northwest	2.1
04:10	3.6	north-northwest	1.9
04:20	3.5	north-northwest	2.1
04:30	3.6	north-northwest	2.7
04:40	3.5	north-northwest	2.6
04:50	3.5	north-northwest	3.3
05:00	3.6	north-northwest	3.5
05:10	3.6	north-northwest	4.5
05:20	3.6	north-northwest	4.8
05:30	3.5	north-northwest	4.5
05:40	3.6	north-northwest	4.6
05:50	3.6	north-northwest	5.2
06:00	3.5	north-northwest	5.2
06:10	3.5	north-northwest	5.3
06:20	3.7	north-northwest	4.5
06:30	3.4	north-northwest	3.8
06:40	3.6	northwest	3.1
06:50	3.4	northwest	3.8
07:00	3.7	north-northwest	4.1
07:10	3.5	north-northwest	3.4
07:20	3.5	north-northwest	3.0
07:30	3.5	north	2.8
07:40	3.6	north-northwest	2.0
07:50	3.8	north	3.9
08:00	3.6	north-northwest	3.4
08:10	3.5	north-northwest	3.3
08:20	3.5	north-northwest	2.7
08:30	3.7	north-northeast	3.9
08:40	3.6	north-northeast	3.6
08:50	3.7	north	3.5
09:00	3.5	north	3.6
09:10	3.5	north	3.0
09:20	3.5	north-northeast	3.5
09:30	3.5	north	2.6
09:40	3.6	north-northeast	2.8
09:50	3.6	north-northeast	3.5
10:00	3.5	northeast	3.2
10:10	3.7	north-northeast	3.8
10:20	3.6	north-northeast	3.9
10:30	3.7	north-northeast	3.4
10:40	3.7	north-northeast	3.5
10:50	3.6	north-northeast	3.9
11:00	3.7	northeast	3.1
11:10	3.7	northeast	2.8
11:20	3.5	northeast	3.0
11:30	3.6	northeast	2.9
11:40	3.6	northeast	3.3
11:50	3.5	north-northeast	2.8
12:00	3.6	north-northeast	2.8
12:10	3.5	northeast	2.9
12:20	3.5	northeast	3.9
12:30	3.7	east-northeast	3.3
12:40	3.6	northeast	3.2
12:50	3.4	northeast	4.1
13:00	3.6	east-northeast	3.9
13:10	3.6	northeast	3.1
13:20	3.6	northeast	3.3
13:30	3.4	northeast	2.9
13:40	3.7	northeast	3.1
13:50	3.6	northeast	3.2
14:00	3.5	northeast	3.2
14:10	3.7	east-northeast	2.8
14:20	3.6	northeast	2.3
14:30	3.6	east-northeast	3.3
14:40	3.4	east-northeast	3.1
14:50	3.4	northeast	3.1
15:00	3.5	northeast	3.5
15:10	3.6	northeast	3.2
15:20	3.6	east-northeast	2.5
15:30	3.5	east-northeast	2.8
15:40	3.8	east-northeast	2.9
15:50	3.5	east-northeast	2.0
16:00	3.5	northeast	2.5
16:10	3.6	east-northeast	2.0
16:20	3.5	east-northeast	1.7
16:30	3.5	east	1.7
16:40	3.6	east-northeast	2.0
16:50	3.6	east	1.3
17:00	3.5	northeast	1.6
17:10	3.5	east-northeast	1.4
17:20	3.5	east	1.5
17:30	3.4	east	1.5
17:40	3.5	east	1.5
17:50	3.6	east	1.5
18:00	3.6	east-southeast	1.8
18:10	3.7	east	1.4
18:20	3.5	southeast	1.2
18:30	3.6	south-southeast	1.1
18:40	3.7	east-southeast	0.9
18:50	3.6	east-southeast	1.3
19:00	3.5	south-southeast	1.1
19:10	3.4	south-southeast	1.4
19:20	3.6	south	1.6
19:30	3.6	south-southwest	2.0
19:40	3.6	south	1.1
19:50	3.5	southeast	1.2
20:00	3.7	south-southeast	1.7
20:10	3.5	south	1.6
20:20	3.6	south	1.8
20:30	3.5	-	CALM
20:40	3.6	-	-
20:50	3.5	-	-
21:00	3.7	south	1.6
21:10	3.4	-	-
21:20	3.5	south	2.4
21:30	3.6	south-southwest	2.6
21:40	3.6	south	2.4
21:50	3.6	south-southeast	1.5
22:00	3.6	south-southeast	2.2
22:10	3.6	south-southeast	2.5
22:20	3.5	south-southeast	2.2
22:30	3.8	south-southeast	2.3
22:40	3.6	south	1.2
22:50	3.6	south-southwest	0.7
23:00	3.5	south-southeast	2.2
23:10	3.5	south-southeast	2.7
23:20	3.6	south	2.0
23:30	3.5	south	2.1
23:40	3.4	south	2.6
23:50	3.4	south	2.7