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

○Information

○Measurement value list ： 2026/06/08(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	northwest	1.0
00:10	3.6	-	CALM
00:20	3.6	north-northeast	0.8
00:30	3.6	-	CALM
00:40	3.6	east-southeast	1.1
00:50	3.6	east-northeast	0.9
01:00	3.7	east	1.4
01:10	3.5	east-northeast	1.6
01:20	3.5	-	-
01:30	3.7	east-northeast	0.9
01:40	3.5	-	CALM
01:50	3.7	west-northwest	1.2
02:00	3.4	west	1.0
02:10	3.4	west-southwest	0.8
02:20	3.6	southwest	0.7
02:30	3.5	-	CALM
02:40	3.7	-	CALM
02:50	3.5	-	CALM
03:00	3.7	-	CALM
03:10	3.5	-	CALM
03:20	3.6	-	CALM
03:30	3.5	-	CALM
03:40	3.5	-	CALM
03:50	3.6	north-northwest	0.7
04:00	3.5	north-northeast	1.2
04:10	3.6	-	CALM
04:20	3.7	east-northeast	0.8
04:30	3.5	southeast	1.2
04:40	3.6	-	CALM
04:50	3.5	east	1.3
05:00	3.7	east	1.9
05:10	3.6	east-southeast	3.2
05:20	3.5	southeast	6.1
05:30	3.6	south-southeast	6.4
05:40	3.7	south-southeast	6.0
05:50	3.5	south-southeast	7.1
06:00	3.5	south-southeast	5.9
06:10	3.6	south	4.6
06:20	3.6	south-southwest	6.4
06:30	3.6	southwest	7.9
06:40	3.4	southwest	5.0
06:50	3.6	southwest	4.5
07:00	3.6	southwest	3.6
07:10	3.7	south-southwest	3.5
07:20	3.6	south	3.1
07:30	3.7	south	3.5
07:40	3.6	south-southwest	3.8
07:50	3.7	south-southwest	4.2
08:00	3.8	south-southwest	4.0
08:10	3.6	south-southwest	3.9
08:20	3.6	south	3.4
08:30	3.6	south	3.4
08:40	3.5	south	3.1
08:50	3.5	southeast	2.3
09:00	3.6	south-southeast	3.1
09:10	3.5	south-southeast	3.2
09:20	3.6	south-southeast	3.2
09:30	3.5	southeast	2.7
09:40	3.6	south-southeast	2.7
09:50	3.6	south-southeast	2.6
10:00	3.6	south-southeast	4.1
10:10	3.6	south-southeast	2.6
10:20	3.6	south-southeast	2.8
10:30	3.5	southeast	3.3
10:40	3.6	southeast	3.4
10:50	3.6	south-southeast	3.7
11:00	3.6	south-southeast	3.3
11:10	3.5	south-southeast	2.8
11:20	3.5	south	2.8
11:30	3.5	south	2.2
11:40	3.6	south-southeast	2.4
11:50	3.5	east-southeast	2.6
12:00	3.5	southeast	2.5
12:10	3.5	southeast	2.3
12:20	3.5	south-southeast	2.4
12:30	3.8	south-southeast	2.2
12:40	3.7	south-southeast	2.1
12:50	3.4	south-southeast	1.7
13:00	3.5	south-southeast	1.9
13:10	3.6	south-southeast	1.8
13:20	3.7	southeast	2.4
13:30	3.5	southeast	2.5
13:40	3.4	southeast	2.7
13:50	3.5	south	2.4
14:00	3.7	south-southeast	2.1
14:10	3.6	south-southeast	2.3
14:20	3.5	southeast	2.8
14:30	3.7	south-southeast	3.6
14:40	3.5	south-southeast	2.9
14:50	3.6	southeast	3.4
15:00	3.6	southeast	3.2
15:10	3.5	southeast	3.7
15:20	3.7	southeast	3.6
15:30	3.6	southeast	3.3
15:40	3.6	southeast	2.8
15:50	3.5	southeast	3.0
16:00	3.5	southeast	1.9
16:10	3.6	southeast	2.3
16:20	3.8	southeast	2.7
16:30	3.7	southeast	3.3
16:40	3.7	south-southeast	2.5
16:50	3.5	southeast	3.2
17:00	3.7	southeast	3.0
17:10	3.6	southeast	1.8
17:20	3.6	south-southeast	1.7
17:30	3.5	east-southeast	2.5
17:40	3.6	east-southeast	2.1
17:50	3.5	east-southeast	1.4
18:00	3.6	southeast	1.4
18:10	3.6	southeast	1.9
18:20	3.6	southeast	1.8
18:30	3.6	southeast	1.6
18:40	3.4	southeast	0.7
18:50	3.5	southeast	1.4
19:00	3.5	southeast	1.4
19:10	3.5	southeast	1.6
19:20	3.7	south-southeast	1.2
19:30	3.6	south-southeast	1.1
19:40	3.6	south-southeast	1.2
19:50	3.5	southeast	0.9
20:00	3.6	south-southeast	0.7
20:10	3.6	south-southeast	0.7
20:20	3.6	east-northeast	0.7
20:30	3.7	-	CALM
20:40	3.6	-	CALM
20:50	3.5	west	0.7
21:00	3.5	-	CALM
21:10	3.5	-	CALM
21:20	3.5	west-northwest	0.8
21:30	3.7	west	2.4
21:40	3.6	west	2.5
21:50	3.6	southwest	0.9
22:00	3.8	south-southeast	1.9
22:10	3.5	south-southeast	3.2
22:20	3.6	southeast	4.5
22:30	3.7	south-southeast	2.8
22:40	3.7	southwest	1.8
22:50	3.5	south-southwest	2.4
23:00	3.6	south-southwest	3.1
23:10	3.3	south-southeast	3.1
23:20	3.5	south	2.5
23:30	3.5	south-southwest	2.3
23:40	3.6	south	2.3
23:50	3.6	south	2.3