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

○Information

○Measurement value list ： 2026/07/03(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	north	5.4
00:10	3.7	north	4.9
00:20	3.6	north	4.9
00:30	3.6	north	4.8
00:40	3.7	north-northwest	5.1
00:50	3.6	north-northwest	5.0
01:00	3.4	north-northwest	4.7
01:10	3.6	north-northwest	4.4
01:20	3.6	north-northwest	3.7
01:30	3.4	north-northwest	3.5
01:40	3.7	north-northwest	4.1
01:50	3.6	north-northwest	3.5
02:00	3.6	north	3.6
02:10	3.4	north	3.5
02:20	3.6	north	3.4
02:30	3.6	north	4.2
02:40	3.6	north	4.1
02:50	3.7	north	5.3
03:00	3.6	north-northeast	6.7
03:10	3.6	north	5.1
03:20	3.5	north	4.3
03:30	3.6	north-northwest	3.9
03:40	3.6	north-northwest	4.6
03:50	3.5	north-northwest	4.6
04:00	3.5	north-northwest	5.2
04:10	3.7	north-northwest	5.2
04:20	3.6	north-northwest	5.1
04:30	3.6	north-northwest	3.7
04:40	3.6	northwest	4.4
04:50	3.6	northwest	4.6
05:00	3.5	north-northwest	5.0
05:10	3.6	northwest	5.0
05:20	3.7	northwest	4.4
05:30	3.6	northwest	4.5
05:40	3.6	north-northwest	4.0
05:50	3.5	northwest	4.6
06:00	3.7	northwest	4.3
06:10	3.6	north-northwest	3.5
06:20	3.5	north-northeast	5.1
06:30	3.6	north	5.2
06:40	3.6	north	6.1
06:50	3.6	north	5.7
07:00	3.5	north	5.9
07:10	3.7	north	5.3
07:20	3.6	north	5.4
07:30	3.6	north	4.4
07:40	3.6	north	5.7
07:50	3.5	north	6.2
08:00	3.6	north	5.2
08:10	3.6	north-northwest	6.1
08:20	3.5	north	4.6
08:30	3.5	north	5.6
08:40	3.5	north	4.9
08:50	3.5	north-northwest	4.5
09:00	3.6	north-northwest	4.6
09:10	3.5	north-northwest	4.9
09:20	3.7	north-northwest	5.6
09:30	3.6	north-northwest	4.8
09:40	3.6	north-northwest	5.3
09:50	3.5	north-northwest	5.1
10:00	3.6	north-northwest	4.9
10:10	3.5	north-northwest	5.3
10:20	3.5	north-northwest	4.7
10:30	3.5	north-northwest	4.3
10:40	3.5	north-northwest	5.3
10:50	3.5	north-northwest	4.6
11:00	3.4	north	4.7
11:10	3.7	north	4.7
11:20	3.5	north	4.7
11:30	3.6	north	5.4
11:40	3.5	north	4.5
11:50	3.4	north	4.2
12:00	3.6	north	4.5
12:10	3.6	north	4.3
12:20	3.4	north-northwest	3.9
12:30	3.5	north-northwest	3.4
12:40	3.6	north	3.2
12:50	3.5	north-northwest	3.3
13:00	3.5	north	3.6
13:10	3.7	north-northwest	2.9
13:20	3.7	north-northwest	3.3
13:30	3.5	north	2.5
13:40	3.5	north-northwest	2.6
13:50	3.6	north-northwest	3.1
14:00	3.5	north	2.8
14:10	3.7	north-northwest	1.9
14:20	3.6	north-northeast	2.9
14:30	3.6	northeast	3.8
14:40	3.7	north-northeast	2.8
14:50	3.5	north-northeast	3.6
15:00	3.5	north-northeast	2.8
15:10	3.6	north-northwest	1.7
15:20	3.4	north	1.5
15:30	3.5	northeast	1.5
15:40	3.6	northeast	1.7
15:50	3.5	northeast	1.4
16:00	3.5	northeast	1.6
16:10	3.6	northeast	2.0
16:20	3.5	northeast	2.0
16:30	3.6	northeast	2.0
16:40	3.5	northeast	2.7
16:50	3.5	northeast	2.3
17:00	3.6	east-northeast	2.0
17:10	3.5	northeast	1.9
17:20	3.5	northeast	1.9
17:30	3.5	northeast	2.6
17:40	3.6	northeast	2.9
17:50	3.4	northeast	2.7
18:00	3.5	northeast	2.6
18:10	3.5	northeast	2.2
18:20	3.6	northeast	3.3
18:30	3.6	northeast	1.8
18:40	3.5	northeast	1.9
18:50	3.6	northeast	2.2
19:00	3.6	northeast	0.8
19:10	3.7	north-northeast	1.8
19:20	3.7	northeast	1.4
19:30	3.7	north-northeast	0.7
19:40	3.5	north-northeast	0.7
19:50	3.6	north	0.9
20:00	3.6	north	0.9
20:10	3.7	north	1.1
20:20	3.4	north-northwest	0.9
20:30	3.5	north	1.1
20:40	3.5	north	0.8
20:50	3.5	-	CALM
21:00	3.6	-	CALM
21:10	3.6	-	CALM
21:20	3.6	north	0.9
21:30	3.6	north	1.0
21:40	3.5	north-northeast	0.6
21:50	3.6	north	0.7
22:00	3.5	-	CALM
22:10	3.6	north	0.8
22:20	3.5	north-northwest	0.9
22:30	3.6	north	0.7
22:40	3.5	northeast	1.3
22:50	3.5	northeast	1.5
23:00	3.5	-	CALM
23:10	3.7	-	CALM
23:20	3.6	northeast	0.9
23:30	3.6	north-northeast	0.8
23:40	3.7	north-northeast	0.6
23:50	3.6	-	CALM