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

○Information

○Measurement value list ： 2026/06/14(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	3.6	north-northwest	1.8
00:10	3.6	north	2.8
00:20	3.4	north-northwest	2.5
00:30	3.5	northwest	3.1
00:40	3.5	northwest	2.5
00:50	3.5	west-northwest	3.2
01:00	3.5	north-northwest	3.5
01:10	3.6	north-northwest	3.0
01:20	3.5	northwest	2.8
01:30	3.6	northwest	2.6
01:40	3.6	west-northwest	2.7
01:50	3.5	west-northwest	2.4
02:00	3.7	northwest	2.3
02:10	3.8	north-northwest	2.2
02:20	3.5	north-northwest	2.2
02:30	3.6	north-northwest	1.8
02:40	3.7	north-northwest	2.0
02:50	3.4	northwest	2.6
03:00	3.4	northwest	2.6
03:10	3.6	northwest	2.6
03:20	3.6	northwest	2.5
03:30	3.6	northwest	2.6
03:40	3.6	northwest	2.2
03:50	3.7	northwest	1.9
04:00	3.6	west-northwest	1.4
04:10	3.6	west-northwest	0.7
04:20	3.6	west-northwest	0.6
04:30	3.4	-	CALM
04:40	3.5	-	CALM
04:50	3.6	north-northwest	1.1
05:00	3.7	northwest	1.5
05:10	3.7	north-northwest	1.2
05:20	3.5	north	1.7
05:30	3.6	north	1.9
05:40	3.5	north	1.6
05:50	3.5	north	1.8
06:00	3.4	north	2.4
06:10	3.6	north	2.2
06:20	3.6	north	1.9
06:30	3.5	north-northeast	1.6
06:40	3.6	north-northeast	1.6
06:50	3.6	north	1.1
07:00	3.6	north-northeast	1.0
07:10	3.6	northeast	1.4
07:20	3.4	west-northwest	0.7
07:30	3.6	-	CALM
07:40	3.5	southeast	0.8
07:50	3.4	east-southeast	1.3
08:00	3.5	east	1.5
08:10	3.6	east	0.7
08:20	3.6	-	CALM
08:30	3.5	southeast	1.0
08:40	3.5	southeast	0.8
08:50	3.5	east-southeast	0.8
09:00	3.6	east-southeast	1.4
09:10	3.6	east-southeast	1.5
09:20	3.4	east-northeast	1.6
09:30	3.5	east-northeast	1.6
09:40	3.6	east	1.7
09:50	3.5	east	1.3
10:00	3.6	east	1.5
10:10	3.6	east	1.4
10:20	3.5	east	1.7
10:30	3.6	east-southeast	2.5
10:40	3.6	east-southeast	2.9
10:50	3.5	east-southeast	1.8
11:00	3.5	southeast	1.9
11:10	3.7	southeast	2.0
11:20	3.6	east-southeast	2.2
11:30	3.5	east-southeast	2.7
11:40	3.5	east-southeast	2.4
11:50	3.6	southeast	2.5
12:00	3.4	east-southeast	2.7
12:10	3.5	southeast	2.4
12:20	3.5	southeast	2.6
12:30	3.6	east-southeast	2.9
12:40	3.4	east-southeast	3.6
12:50	3.4	southeast	3.5
13:00	3.5	southeast	2.9
13:10	3.6	east-southeast	2.7
13:20	3.6	east-southeast	3.7
13:30	3.6	southeast	3.8
13:40	3.6	east-southeast	4.1
13:50	3.6	southeast	4.0
14:00	3.6	southeast	3.3
14:10	3.5	east-southeast	3.4
14:20	3.4	southeast	3.6
14:30	3.8	southeast	2.9
14:40	3.4	southeast	3.2
14:50	3.6	southeast	4.7
15:00	3.5	southeast	5.1
15:10	3.5	south-southeast	4.4
15:20	3.5	southeast	4.3
15:30	3.6	south-southeast	5.0
15:40	3.6	southeast	4.5
15:50	3.4	southeast	4.9
16:00	3.5	south-southeast	5.0
16:10	3.6	south-southeast	5.7
16:20	3.6	south-southeast	6.3
16:30	3.6	south-southeast	5.7
16:40	3.5	southeast	6.3
16:50	3.5	south-southeast	5.8
17:00	3.7	south-southeast	5.0
17:10	3.7	south-southeast	4.7
17:20	3.6	south-southeast	5.2
17:30	3.5	south-southeast	6.0
17:40	3.7	south-southeast	5.8
17:50	3.6	south-southeast	5.7
18:00	3.6	south-southeast	5.5
18:10	3.6	south-southeast	4.7
18:20	3.5	south-southeast	5.0
18:30	3.5	south-southeast	5.8
18:40	3.6	south-southeast	5.9
18:50	3.6	south	5.6
19:00	3.6	south	5.8
19:10	3.6	south	4.8
19:20	3.4	south-southeast	5.0
19:30	3.5	south	4.7
19:40	3.6	south	5.5
19:50	3.6	south-southeast	5.2
20:00	3.5	south-southeast	6.6
20:10	3.7	south	7.6
20:20	3.5	south	6.6
20:30	3.5	south	6.4
20:40	3.6	south	6.6
20:50	3.6	south	6.2
21:00	3.6	south-southeast	6.1
21:10	3.6	south-southeast	5.8
21:20	3.5	south	6.4
21:30	3.6	south	6.0
21:40	3.6	south	6.2
21:50	3.7	south	6.0
22:00	3.4	south	6.1
22:10	3.6	south	4.9
22:20	3.6	south	5.3
22:30	3.5	south	6.1
22:40	3.4	south	5.9
22:50	3.5	south	5.7
23:00	3.5	south	6.0
23:10	3.5	south	6.3
23:20	3.6	south	6.2
23:30	3.6	south	5.6
23:40	3.5	south	5.2
23:50	3.5	south	5.6