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

○Information

○Measurement value list ： 2025/07/12(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	3.7	north-northwest	2.9
00:10	3.5	north-northwest	2.4
00:20	3.5	north-northwest	2.6
00:30	3.6	north-northwest	2.6
00:40	3.6	north	2.6
00:50	3.5	north	2.9
01:00	3.6	north-northwest	2.5
01:10	3.6	north-northwest	2.4
01:20	3.6	north-northwest	1.8
01:30	3.6	north	2.1
01:40	3.6	north-northwest	1.8
01:50	3.6	northwest	2.7
02:00	3.6	northwest	2.8
02:10	3.6	north-northwest	2.5
02:20	3.7	north-northwest	3.0
02:30	3.5	north-northwest	2.4
02:40	3.6	northwest	2.2
02:50	3.6	northwest	2.6
03:00	3.6	northwest	2.0
03:10	3.6	northwest	3.3
03:20	3.6	northwest	3.6
03:30	3.7	north-northwest	3.9
03:40	3.7	northwest	3.8
03:50	3.6	northwest	3.9
04:00	3.5	northwest	3.7
04:10	3.8	northwest	3.7
04:20	3.8	northwest	3.7
04:30	3.6	northwest	3.8
04:40	3.5	northwest	3.8
04:50	3.6	northwest	3.9
05:00	3.5	northwest	3.6
05:10	3.5	northwest	3.4
05:20	3.6	northwest	3.3
05:30	3.5	northwest	3.1
05:40	3.5	northwest	3.2
05:50	3.6	northwest	3.4
06:00	3.5	northwest	3.1
06:10	3.6	northwest	3.2
06:20	3.5	north-northwest	2.9
06:30	3.7	northwest	2.7
06:40	3.6	northwest	2.9
06:50	3.6	north-northwest	3.2
07:00	3.6	northwest	3.0
07:10	3.6	north-northwest	2.8
07:20	3.5	northwest	3.0
07:30	3.5	north-northwest	2.4
07:40	3.6	north-northwest	2.1
07:50	3.4	north-northwest	2.0
08:00	3.5	north-northwest	1.5
08:10	3.6	north-northwest	1.4
08:20	3.5	north	1.3
08:30	3.7	north	1.7
08:40	3.8	north-northwest	1.3
08:50	3.6	north-northeast	2.1
09:00	3.5	north-northeast	1.8
09:10	3.7	northeast	1.9
09:20	3.5	north-northeast	2.1
09:30	3.6	north-northeast	1.7
09:40	3.5	north-northeast	2.1
09:50	3.6	north-northeast	2.1
10:00	3.5	northeast	2.0
10:10	3.6	northeast	2.0
10:20	3.7	north-northeast	1.8
10:30	3.5	northeast	1.6
10:40	3.5	east-northeast	1.5
10:50	3.7	north-northeast	1.8
11:00	3.6	northeast	1.3
11:10	3.5	northeast	1.5
11:20	3.5	east-northeast	1.2
11:30	3.7	northeast	1.3
11:40	3.6	north-northeast	1.7
11:50	3.5	north-northeast	0.7
12:00	3.5	north-northeast	1.2
12:10	3.6	north	1.4
12:20	3.9	northeast	1.3
12:30	3.5	northeast	1.2
12:40	3.6	north-northeast	1.1
12:50	3.6	north-northeast	1.5
13:00	3.6	northeast	1.8
13:10	3.6	northeast	2.5
13:20	3.7	north-northeast	1.9
13:30	3.6	northeast	2.2
13:40	3.6	east-northeast	2.1
13:50	3.6	northeast	2.2
14:00	3.6	east-northeast	3.2
14:10	3.7	east-northeast	3.1
14:20	3.6	northeast	3.7
14:30	3.5	north-northeast	2.0
14:40	3.7	north-northeast	3.0
14:50	3.6	northeast	2.0
15:00	3.7	northeast	2.0
15:10	3.6	northeast	2.5
15:20	3.6	north-northeast	2.0
15:30	3.5	northeast	2.5
15:40	3.5	east-northeast	2.5
15:50	3.5	east-northeast	3.0
16:00	3.7	east-northeast	2.1
16:10	3.5	east-northeast	2.0
16:20	3.7	east	1.7
16:30	3.9	east-northeast	2.2
16:40	3.6	east-northeast	2.3
16:50	3.6	east-northeast	2.9
17:00	3.6	east-northeast	2.7
17:10	3.6	east	2.0
17:20	3.8	east-southeast	2.2
17:30	3.5	east	2.2
17:40	3.6	east-southeast	1.8
17:50	3.6	east	2.4
18:00	3.5	east	2.0
18:10	3.6	east-southeast	1.4
18:20	3.7	southeast	1.7
18:30	3.6	east	1.6
18:40	3.6	southeast	1.0
18:50	3.6	southeast	1.6
19:00	3.5	east-southeast	1.8
19:10	3.6	east	1.7
19:20	3.5	east	1.3
19:30	3.7	southeast	1.2
19:40	3.6	southeast	1.1
19:50	3.8	east-southeast	1.1
20:00	3.6	east-southeast	0.9
20:10	3.6	southeast	0.6
20:20	3.5	east	0.6
20:30	3.5	-	CALM
20:40	3.6	-	CALM
20:50	3.7	-	CALM
21:00	3.7	-	-
21:10	3.6	-	CALM
21:20	3.6	east-northeast	0.6
21:30	3.6	-	CALM
21:40	3.6	-	CALM
21:50	3.6	northeast	1.2
22:00	3.5	northeast	0.6
22:10	3.5	northeast	0.7
22:20	3.6	northeast	0.8
22:30	3.8	northeast	1.1
22:40	3.6	northeast	0.7
22:50	3.6	-	CALM
23:00	3.8	south-southeast	1.1
23:10	3.6	south	3.5
23:20	3.6	south	3.4
23:30	3.6	south	3.6
23:40	3.6	south-southeast	2.5
23:50	3.5	-	CALM