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

○Information

○Measurement value list ： 2026/09/02(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	-	CALM
00:10	3.6	-	CALM
00:20	3.5	-	CALM
00:30	3.6	-	CALM
00:40	3.5	-	CALM
00:50	3.7	-	CALM
01:00	3.6	-	CALM
01:10	3.6	southeast	0.6
01:20	3.6	-	CALM
01:30	3.6	south-southwest	0.9
01:40	3.5	south	1.4
01:50	3.5	south-southeast	1.2
02:00	3.5	south	1.0
02:10	3.6	southeast	1.0
02:20	3.7	south-southeast	1.1
02:30	3.7	south	2.0
02:40	3.5	south	2.9
02:50	3.4	south-southeast	3.5
03:00	3.5	south	4.2
03:10	3.4	south	4.6
03:20	3.5	south-southwest	5.1
03:30	3.7	south-southwest	5.2
03:40	3.5	south	6.0
03:50	3.4	south	4.7
04:00	3.5	south	3.8
04:10	3.7	south-southeast	5.0
04:20	3.6	south-southeast	3.5
04:30	3.7	south-southeast	2.3
04:40	3.6	south	3.6
04:50	3.5	south	3.8
05:00	3.6	south	3.6
05:10	3.6	south	3.5
05:20	3.7	south	4.9
05:30	3.5	south	4.7
05:40	3.7	south-southwest	4.8
05:50	3.7	south-southwest	5.0
06:00	3.5	south	4.9
06:10	3.6	south	5.4
06:20	3.5	south	5.1
06:30	3.6	south	5.2
06:40	3.6	south	5.8
06:50	3.5	south	4.3
07:00	3.6	south	3.7
07:10	3.6	south	2.6
07:20	3.5	south	2.6
07:30	3.6	south	2.2
07:40	3.5	south-southeast	3.2
07:50	3.5	south	4.7
08:00	3.5	south-southeast	3.9
08:10	3.5	south-southeast	4.9
08:20	3.6	south-southeast	3.8
08:30	3.4	south-southeast	3.6
08:40	3.5	south	4.8
08:50	3.6	south	4.5
09:00	3.5	south-southeast	4.3
09:10	3.6	south-southeast	4.1
09:20	3.7	south-southeast	4.0
09:30	3.6	south-southeast	5.4
09:40	3.6	south-southeast	5.0
09:50	3.6	south	5.2
10:00	3.7	south	5.9
10:10	3.5	south-southeast	6.0
10:20	3.7	south-southeast	5.1
10:30	3.6	south-southeast	5.0
10:40	3.6	south-southeast	5.7
10:50	3.5	south-southeast	6.6
11:00	3.7	south-southeast	4.9
11:10	3.6	south-southeast	6.2
11:20	3.5	south-southeast	5.8
11:30	3.6	south-southeast	5.5
11:40	3.6	south-southeast	5.7
11:50	3.3	south-southeast	6.8
12:00	3.6	south-southeast	6.6
12:10	3.6	south	6.0
12:20	3.6	south	5.8
12:30	3.8	south	8.1
12:40	3.5	south-southeast	7.6
12:50	3.4	south-southeast	7.9
13:00	3.6	south-southeast	7.5
13:10	3.4	south-southeast	6.4
13:20	3.6	south	6.6
13:30	3.6	south-southeast	5.6
13:40	3.7	south-southeast	6.2
13:50	3.6	south-southeast	7.6
14:00	3.5	south-southeast	7.2
14:10	3.5	south-southeast	6.0
14:20	3.7	south-southeast	6.2
14:30	3.4	south-southeast	4.8
14:40	3.5	south	5.4
14:50	3.6	northwest	3.5
15:00	3.6	north-northwest	5.5
15:10	3.6	northwest	0.7
15:20	3.5	west-southwest	1.5
15:30	3.7	west	1.9
15:40	3.7	west-southwest	3.0
15:50	3.6	west-southwest	2.8
16:00	3.5	west-southwest	1.6
16:10	3.5	southwest	2.2
16:20	3.5	southwest	3.2
16:30	3.5	south-southwest	2.6
16:40	3.6	south-southwest	3.4
16:50	3.6	southwest	3.2
17:00	3.6	south-southwest	3.2
17:10	3.6	south-southwest	3.2
17:20	3.6	south-southwest	3.9
17:30	3.5	south	4.0
17:40	3.7	south	4.2
17:50	3.4	south	3.1
18:00	3.4	south-southwest	3.2
18:10	3.5	south-southwest	3.5
18:20	3.6	south-southwest	3.7
18:30	3.5	southwest	3.3
18:40	3.7	southwest	2.4
18:50	3.6	south-southwest	2.2
19:00	3.6	south-southwest	2.0
19:10	3.6	south-southwest	2.0
19:20	3.7	south	2.7
19:30	3.5	south	3.8
19:40	3.5	south	3.9
19:50	3.6	south	2.8
20:00	3.5	south	3.2
20:10	3.5	south	3.1
20:20	3.7	south-southwest	2.4
20:30	3.5	south-southwest	2.7
20:40	3.6	south-southwest	2.2
20:50	3.5	south-southwest	1.2
21:00	3.7	southwest	1.3
21:10	3.6	south-southwest	1.3
21:20	3.5	south-southwest	1.4
21:30	3.6	south-southwest	2.4
21:40	3.5	south-southwest	1.9
21:50	3.6	south-southwest	1.2
22:00	3.6	south	1.1
22:10	3.7	south-southwest	0.6
22:20	3.5	south	1.1
22:30	3.6	south	0.8
22:40	3.7	south-southeast	1.0
22:50	3.7	south	1.1
23:00	3.6	south	1.1
23:10	3.5	southwest	1.9
23:20	3.4	south-southwest	1.4
23:30	3.6	south-southwest	0.6
23:40	3.6	south-southwest	0.6
23:50	3.7	south-southwest	1.1