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

○Information

○Measurement value list ： 2026/07/11(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	south	4.4
00:10	3.4	south	4.5
00:20	3.6	south	4.2
00:30	3.5	south	3.8
00:40	3.5	south	3.9
00:50	3.4	south-southwest	3.3
01:00	3.7	south	3.3
01:10	3.6	south	3.4
01:20	3.6	south	3.7
01:30	3.5	south	3.3
01:40	3.6	south-southwest	2.7
01:50	3.6	southwest	2.4
02:00	3.5	southwest	2.4
02:10	3.5	west-southwest	2.0
02:20	3.6	southwest	0.7
02:30	3.6	-	CALM
02:40	3.4	-	CALM
02:50	3.7	south	1.0
03:00	3.5	south-southeast	1.0
03:10	3.6	-	CALM
03:20	3.6	-	CALM
03:30	3.5	-	CALM
03:40	3.4	east-southeast	0.7
03:50	3.6	southeast	0.6
04:00	3.5	east-southeast	1.0
04:10	3.5	southeast	0.7
04:20	3.6	south-southeast	0.7
04:30	3.5	-	CALM
04:40	3.6	south-southeast	0.8
04:50	3.5	south	1.0
05:00	3.5	-	CALM
05:10	3.5	south-southwest	1.3
05:20	3.6	south-southwest	1.6
05:30	3.6	west-southwest	1.3
05:40	3.4	west-southwest	1.4
05:50	3.6	west	1.5
06:00	3.5	west	1.3
06:10	3.6	west	1.2
06:20	3.6	west-northwest	1.3
06:30	3.6	northwest	1.1
06:40	3.6	north-northwest	1.0
06:50	3.5	-	CALM
07:00	3.6	-	CALM
07:10	3.5	-	CALM
07:20	3.5	south-southeast	0.8
07:30	3.5	east-southeast	0.6
07:40	3.6	south-southeast	0.7
07:50	3.5	-	CALM
08:00	3.5	north	1.0
08:10	3.6	north-northeast	1.9
08:20	3.4	north-northeast	1.5
08:30	3.5	northeast	2.2
08:40	3.5	northeast	2.5
08:50	3.6	northeast	2.5
09:00	3.6	north-northeast	2.8
09:10	3.6	northeast	2.4
09:20	3.5	northeast	1.9
09:30	3.7	east-northeast	2.7
09:40	3.4	northeast	2.1
09:50	3.7	northeast	1.5
10:00	3.5	north-northeast	1.6
10:10	3.5	northeast	2.8
10:20	3.5	east-northeast	2.1
10:30	3.5	east	1.9
10:40	3.6	east-southeast	1.2
10:50	3.7	southeast	1.5
11:00	3.5	east	1.5
11:10	3.5	southeast	0.7
11:20	3.7	-	CALM
11:30	3.6	east	1.7
11:40	3.5	east	1.1
11:50	3.7	south-southeast	1.7
12:00	3.5	east-southeast	1.6
12:10	3.6	-	CALM
12:20	3.7	south-southeast	1.9
12:30	3.5	south-southeast	1.7
12:40	3.6	south	1.5
12:50	3.6	south-southwest	0.7
13:00	3.3	south-southeast	1.5
13:10	3.5	south	2.3
13:20	3.6	south	1.6
13:30	3.6	south	2.3
13:40	3.6	south	3.1
13:50	3.5	south	2.3
14:00	3.6	south	1.9
14:10	3.5	south	2.4
14:20	3.6	south	2.1
14:30	3.6	south	2.4
14:40	3.5	south	2.9
14:50	3.7	south-southwest	2.4
15:00	3.4	south	2.3
15:10	3.8	south-southwest	2.2
15:20	3.4	south	1.8
15:30	3.6	south	2.1
15:40	3.4	south	1.6
15:50	3.5	south-southwest	2.2
16:00	3.5	south-southwest	1.8
16:10	3.5	south	1.7
16:20	3.7	south	2.9
16:30	3.6	south	2.7
16:40	3.4	south	2.6
16:50	3.6	south	3.3
17:00	3.7	south	3.0
17:10	3.6	south	2.6
17:20	3.6	south-southwest	2.6
17:30	3.6	south	2.8
17:40	3.4	south-southwest	3.5
17:50	3.5	south-southwest	3.7
18:00	3.5	southwest	4.9
18:10	3.6	west-southwest	4.3
18:20	3.6	west	4.7
18:30	3.4	west	5.2
18:40	3.6	west-northwest	4.7
18:50	3.7	west-northwest	2.9
19:00	3.6	northwest	1.5
19:10	3.7	west-northwest	0.7
19:20	3.5	northeast	0.6
19:30	3.5	southeast	1.7
19:40	3.6	south-southeast	2.9
19:50	3.4	south	4.4
20:00	3.7	south	3.6
20:10	3.4	south-southwest	3.6
20:20	3.7	south-southwest	3.6
20:30	3.6	south-southwest	4.7
20:40	3.6	south-southwest	5.4
20:50	3.6	south-southwest	4.3
21:00	3.5	south-southwest	3.2
21:10	3.5	southwest	2.2
21:20	3.5	southwest	2.0
21:30	3.5	north	3.2
21:40	3.6	north	4.9
21:50	3.6	northeast	5.6
22:00	3.6	east-northeast	3.3
22:10	3.7	east-northeast	2.1
22:20	3.5	east	2.0
22:30	3.4	north-northwest	1.7
22:40	3.6	north	1.4
22:50	3.7	northeast	2.3
23:00	3.6	east-northeast	1.9
23:10	3.5	northeast	1.3
23:20	3.6	-	CALM
23:30	3.5	south-southeast	0.7
23:40	3.5	southeast	0.8
23:50	3.6	southeast	1.9