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

○Information

○Measurement value list ： 2025/08/14(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	3.5	west-northwest	1.5
00:10	3.5	northwest	1.3
00:20	3.6	northwest	0.9
00:30	3.6	northwest	1.1
00:40	3.5	west-northwest	1.5
00:50	3.6	north-northwest	1.1
01:00	3.5	northwest	1.5
01:10	3.5	northwest	1.8
01:20	3.5	northwest	1.6
01:30	3.6	northwest	1.7
01:40	3.6	northwest	1.5
01:50	3.5	northwest	1.4
02:00	3.5	west-northwest	1.3
02:10	3.6	west-northwest	1.7
02:20	3.5	west-northwest	1.4
02:30	3.5	west-northwest	1.2
02:40	3.5	northwest	0.8
02:50	3.7	northwest	1.0
03:00	3.5	west	2.0
03:10	3.7	west-northwest	1.5
03:20	3.7	west-northwest	1.2
03:30	3.6	west-northwest	0.9
03:40	3.6	west-northwest	0.8
03:50	3.6	west	1.6
04:00	3.7	west	1.1
04:10	3.5	west-northwest	0.8
04:20	3.4	west	1.0
04:30	3.4	west-northwest	0.9
04:40	3.7	-	CALM
04:50	3.5	north-northwest	0.6
05:00	3.6	-	CALM
05:10	3.5	-	CALM
05:20	3.5	-	CALM
05:30	3.6	-	CALM
05:40	3.6	west	0.7
05:50	3.5	west-southwest	0.7
06:00	3.6	west-southwest	0.6
06:10	3.5	west-southwest	1.1
06:20	3.7	-	CALM
06:30	3.6	southwest	0.6
06:40	3.4	southwest	1.2
06:50	3.6	west-southwest	1.0
07:00	3.6	southwest	0.8
07:10	3.5	south-southwest	1.0
07:20	3.6	south	1.4
07:30	3.5	south	0.9
07:40	3.5	south-southeast	1.1
07:50	3.6	south-southeast	1.9
08:00	3.6	southeast	2.0
08:10	3.6	east-southeast	2.5
08:20	3.6	southeast	2.5
08:30	3.5	east-southeast	2.8
08:40	3.7	east-southeast	2.9
08:50	3.7	southeast	2.6
09:00	3.6	east-southeast	3.1
09:10	3.6	east	2.9
09:20	3.5	east-southeast	2.9
09:30	3.5	east-southeast	3.4
09:40	3.6	east	3.6
09:50	3.6	east	4.0
10:00	3.6	east-southeast	3.8
10:10	3.4	east-southeast	4.1
10:20	3.6	east-southeast	4.2
10:30	3.5	east-southeast	3.8
10:40	3.5	east-southeast	3.6
10:50	3.6	east-southeast	4.1
11:00	3.5	east-southeast	2.9
11:10	3.6	southeast	3.1
11:20	3.6	southeast	3.6
11:30	3.7	southeast	3.5
11:40	3.6	east-southeast	3.8
11:50	3.6	southeast	3.5
12:00	3.6	east-southeast	3.6
12:10	3.7	east-southeast	4.5
12:20	3.7	southeast	4.3
12:30	3.4	east-southeast	4.7
12:40	3.5	southeast	4.3
12:50	3.6	southeast	4.4
13:00	3.7	southeast	5.3
13:10	3.5	east-southeast	5.8
13:20	3.6	east-southeast	4.6
13:30	3.5	southeast	5.1
13:40	3.4	south-southeast	4.7
13:50	3.6	south-southeast	4.5
14:00	3.4	southeast	5.1
14:10	3.6	southeast	4.7
14:20	3.6	southeast	4.0
14:30	3.6	southeast	4.2
14:40	3.7	southeast	4.5
14:50	3.6	southeast	5.0
15:00	3.7	southeast	5.5
15:10	3.6	southeast	6.0
15:20	3.4	southeast	5.6
15:30	3.5	south-southeast	6.1
15:40	3.4	southeast	5.7
15:50	3.6	southeast	5.8
16:00	3.5	southeast	4.7
16:10	3.8	southeast	5.5
16:20	3.6	southeast	5.8
16:30	3.6	south-southeast	5.8
16:40	3.6	southeast	6.1
16:50	3.7	south-southeast	6.0
17:00	3.6	south-southeast	5.5
17:10	3.7	south-southeast	5.5
17:20	3.6	southeast	5.1
17:30	3.5	south-southeast	6.3
17:40	3.7	south-southeast	5.9
17:50	3.6	south-southeast	6.1
18:00	3.4	south-southeast	4.9
18:10	3.6	south-southeast	4.5
18:20	3.5	south-southeast	4.6
18:30	3.4	south-southeast	6.2
18:40	3.7	south-southeast	6.8
18:50	3.7	south-southeast	6.1
19:00	3.6	south-southeast	5.8
19:10	3.5	south-southeast	4.3
19:20	3.6	south-southeast	4.5
19:30	3.6	south-southeast	4.2
19:40	3.7	south-southeast	4.4
19:50	3.5	south-southeast	4.7
20:00	3.6	south-southeast	4.8
20:10	3.5	south-southeast	4.8
20:20	3.6	south-southeast	4.8
20:30	3.5	south-southeast	4.7
20:40	3.4	south-southeast	4.6
20:50	3.5	south	4.8
21:00	3.4	south	5.3
21:10	3.6	south-southeast	5.5
21:20	3.4	south	5.8
21:30	3.5	south	6.4
21:40	3.4	south	5.8
21:50	3.5	south	5.6
22:00	3.5	south	4.7
22:10	3.5	south	4.2
22:20	3.5	south	4.1
22:30	3.5	south	5.0
22:40	3.6	south	5.2
22:50	3.7	south	4.9
23:00	3.5	south	4.7
23:10	3.6	south	4.9
23:20	3.4	south-southeast	4.5
23:30	3.5	south	3.9
23:40	3.5	south	3.7
23:50	3.5	south-southwest	3.4