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

○Information

○Measurement value list ： 2026/04/14(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	northwest	5.8
00:10	3.6	northwest	5.7
00:20	3.6	northwest	6.5
00:30	3.5	northwest	6.4
00:40	3.7	northwest	7.2
00:50	3.4	northwest	6.9
01:00	3.7	northwest	6.4
01:10	3.5	northwest	6.7
01:20	3.6	northwest	6.6
01:30	3.5	north-northwest	6.5
01:40	3.5	north-northwest	6.5
01:50	3.6	north-northwest	6.5
02:00	3.5	north-northwest	6.2
02:10	3.6	northwest	6.3
02:20	3.7	north-northwest	6.3
02:30	3.4	northwest	6.0
02:40	3.5	northwest	6.4
02:50	3.5	northwest	5.8
03:00	3.6	northwest	5.9
03:10	3.6	northwest	5.8
03:20	3.7	northwest	6.0
03:30	3.5	northwest	6.3
03:40	3.3	northwest	6.0
03:50	3.6	northwest	5.7
04:00	3.6	northwest	6.1
04:10	3.9	northwest	6.7
04:20	3.5	northwest	6.2
04:30	3.5	northwest	6.4
04:40	3.5	northwest	6.2
04:50	3.6	northwest	6.2
05:00	3.4	northwest	6.2
05:10	3.3	northwest	6.6
05:20	3.5	northwest	6.4
05:30	3.6	northwest	5.8
05:40	3.7	northwest	6.2
05:50	3.5	northwest	7.0
06:00	3.6	northwest	6.1
06:10	3.5	northwest	6.1
06:20	3.6	northwest	6.5
06:30	3.5	northwest	5.9
06:40	3.5	northwest	5.7
06:50	3.5	northwest	4.2
07:00	3.5	northwest	4.3
07:10	3.5	northwest	3.1
07:20	3.6	northwest	4.0
07:30	3.6	north-northwest	3.1
07:40	3.5	north-northwest	3.8
07:50	3.6	north-northwest	2.8
08:00	3.4	north	3.0
08:10	3.7	north-northeast	3.6
08:20	3.6	north	3.5
08:30	3.8	north-northeast	3.0
08:40	3.5	north	2.7
08:50	3.5	north	3.9
09:00	3.6	north	2.9
09:10	3.5	north	2.9
09:20	3.6	north	3.5
09:30	3.6	north	3.2
09:40	3.6	north-northeast	3.9
09:50	3.7	north-northeast	3.6
10:00	3.8	north-northeast	4.4
10:10	3.5	north-northeast	3.0
10:20	3.6	northeast	3.3
10:30	3.4	north-northeast	2.9
10:40	3.4	northeast	3.3
10:50	3.8	northeast	3.7
11:00	3.6	northeast	3.3
11:10	3.7	north-northeast	2.4
11:20	3.7	northeast	2.9
11:30	3.5	north	2.3
11:40	3.6	northeast	2.7
11:50	3.5	north-northeast	3.6
12:00	3.6	north-northeast	4.6
12:10	3.6	northeast	4.4
12:20	3.5	northeast	4.4
12:30	3.6	northeast	4.8
12:40	3.6	northeast	4.7
12:50	3.6	northeast	5.2
13:00	3.7	north-northeast	3.8
13:10	3.5	north-northeast	4.0
13:20	3.6	northeast	4.0
13:30	3.6	northeast	4.1
13:40	3.4	northeast	3.4
13:50	3.6	north-northeast	3.9
14:00	3.5	northeast	3.8
14:10	3.5	northeast	4.7
14:20	3.5	east-northeast	3.3
14:30	3.5	northeast	3.1
14:40	3.5	northeast	2.9
14:50	3.6	northeast	3.0
15:00	3.6	north-northeast	3.3
15:10	3.6	northeast	3.0
15:20	3.6	northeast	1.9
15:30	3.5	northeast	2.4
15:40	3.7	east-northeast	2.9
15:50	3.6	northeast	2.9
16:00	3.6	northeast	1.9
16:10	3.5	northeast	2.4
16:20	3.6	northeast	2.3
16:30	3.6	northeast	1.9
16:40	3.6	east-northeast	1.9
16:50	3.6	northeast	1.8
17:00	3.7	northeast	1.4
17:10	3.6	northeast	1.3
17:20	3.5	northeast	0.8
17:30	3.6	north	1.2
17:40	3.5	north	0.9
17:50	3.5	north	1.1
18:00	3.6	north-northwest	0.9
18:10	3.6	north-northeast	0.9
18:20	3.5	north-northwest	1.1
18:30	3.5	north	1.4
18:40	3.7	north-northwest	1.5
18:50	3.5	north-northwest	1.5
19:00	3.5	northwest	1.7
19:10	3.6	northwest	1.8
19:20	3.4	northwest	1.5
19:30	3.5	northwest	2.0
19:40	3.6	north-northwest	2.4
19:50	3.6	north-northwest	2.4
20:00	3.5	north-northwest	1.9
20:10	3.4	north	1.9
20:20	3.5	north	2.0
20:30	3.5	north-northwest	1.5
20:40	3.7	north-northwest	1.5
20:50	3.6	northwest	1.8
21:00	3.6	northwest	1.8
21:10	3.6	west-northwest	1.8
21:20	3.5	northwest	1.6
21:30	3.6	northwest	1.9
21:40	3.6	north	1.6
21:50	3.4	north-northwest	0.7
22:00	3.6	north	1.0
22:10	3.6	northwest	1.0
22:20	3.6	north	1.9
22:30	3.7	north-northwest	1.4
22:40	3.6	north-northwest	0.9
22:50	3.5	northwest	1.1
23:00	3.6	-	CALM
23:10	3.8	north	0.8
23:20	3.5	north	0.7
23:30	3.6	north	0.8
23:40	3.6	north-northwest	1.2
23:50	3.6	north	1.4