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

○Information

○Measurement value list ： 2025/07/09(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	south	3.3
00:10	3.7	south-southwest	2.4
00:20	3.6	south	3.4
00:30	3.6	south	3.4
00:40	3.5	south	2.3
00:50	3.6	south	2.3
01:00	3.6	south-southwest	3.1
01:10	3.6	south	2.8
01:20	3.4	south	2.6
01:30	3.5	south	2.8
01:40	3.7	south	3.5
01:50	3.4	south	3.3
02:00	3.5	south	3.6
02:10	3.6	south	3.7
02:20	3.5	south-southeast	4.0
02:30	3.6	south-southeast	4.2
02:40	3.5	south	4.6
02:50	3.5	south-southeast	3.6
03:00	3.5	south	4.0
03:10	3.7	south	3.8
03:20	3.5	south	2.8
03:30	3.5	south-southwest	3.4
03:40	3.4	south-southwest	3.1
03:50	3.5	south-southwest	3.1
04:00	3.4	south-southwest	3.2
04:10	3.4	south	2.0
04:20	3.6	south-southeast	2.5
04:30	3.4	south-southeast	2.8
04:40	3.6	south	2.8
04:50	3.6	south-southwest	2.6
05:00	3.6	southwest	2.5
05:10	3.6	south-southwest	2.6
05:20	3.5	west-southwest	1.4
05:30	3.5	northwest	0.8
05:40	3.6	north-northwest	1.7
05:50	3.6	north-northwest	2.2
06:00	3.6	north-northwest	1.9
06:10	3.6	north	2.0
06:20	3.5	north	1.3
06:30	3.7	north-northwest	1.2
06:40	3.5	northwest	1.6
06:50	3.6	-	CALM
07:00	3.5	north-northeast	1.0
07:10	3.6	north	0.8
07:20	3.6	-	CALM
07:30	3.6	east-northeast	1.1
07:40	3.6	east-northeast	2.3
07:50	3.8	east-northeast	2.5
08:00	3.6	east	2.2
08:10	3.5	east	2.7
08:20	3.5	east	1.8
08:30	3.6	east	1.8
08:40	3.5	east-southeast	1.7
08:50	3.7	east	1.8
09:00	3.6	east	1.4
09:10	3.5	east	2.2
09:20	3.7	east-southeast	1.8
09:30	3.5	southeast	2.2
09:40	3.7	southeast	2.5
09:50	3.5	southeast	2.7
10:00	3.6	east-southeast	2.4
10:10	3.8	east-southeast	2.8
10:20	3.6	southeast	3.5
10:30	3.5	southeast	4.3
10:40	3.3	south-southeast	5.3
10:50	3.5	south-southeast	5.3
11:00	3.7	south-southeast	4.8
11:10	3.5	south-southeast	4.8
11:20	3.4	southeast	4.8
11:30	3.4	southeast	4.7
11:40	3.6	south-southeast	4.0
11:50	3.5	south-southeast	5.8
12:00	3.6	south-southeast	6.5
12:10	3.6	south-southeast	5.9
12:20	3.5	south-southeast	5.3
12:30	3.5	south-southeast	4.9
12:40	3.5	south-southeast	6.2
12:50	3.6	south-southeast	6.3
13:00	3.5	south-southeast	6.1
13:10	3.4	south-southeast	6.2
13:20	3.6	south-southeast	6.4
13:30	3.5	south-southeast	6.0
13:40	3.5	south-southeast	6.4
13:50	3.6	south-southeast	5.6
14:00	3.5	south-southeast	7.1
14:10	3.7	south-southeast	7.0
14:20	3.5	south-southeast	6.4
14:30	3.5	south-southeast	7.0
14:40	3.7	south-southeast	7.9
14:50	3.6	south-southeast	7.6
15:00	3.6	south-southeast	7.5
15:10	3.6	south-southeast	8.5
15:20	3.7	south-southeast	8.0
15:30	3.6	south-southeast	8.1
15:40	3.5	south-southeast	7.5
15:50	3.6	south-southeast	8.0
16:00	3.6	south-southeast	7.5
16:10	3.5	south-southeast	7.4
16:20	3.6	south-southeast	7.1
16:30	3.5	south-southeast	6.0
16:40	3.7	south-southwest	2.0
16:50	3.6	north	5.2
17:00	3.6	northwest	3.9
17:10	3.5	northwest	4.4
17:20	3.5	west-northwest	3.2
17:30	3.6	west	3.0
17:40	3.4	west	4.3
17:50	3.5	west	3.3
18:00	3.5	west	1.5
18:10	3.6	south-southeast	1.3
18:20	3.4	south	2.4
18:30	3.6	south	3.3
18:40	3.4	southwest	4.7
18:50	3.5	south-southwest	2.2
19:00	3.6	southwest	1.1
19:10	3.5	south	0.7
19:20	3.5	southwest	1.0
19:30	3.6	west-southwest	1.7
19:40	3.5	west-southwest	2.0
19:50	3.6	north	10.8
20:00	3.6	southwest	1.6
20:10	3.5	southwest	1.5
20:20	3.4	west-southwest	3.3
20:30	3.6	west-northwest	1.9
20:40	3.6	west-northwest	2.9
20:50	3.5	northwest	2.6
21:00	3.5	northwest	1.5
21:10	3.6	northwest	2.2
21:20	3.6	west-northwest	2.6
21:30	3.4	west-northwest	3.1
21:40	3.6	west-northwest	4.2
21:50	3.5	west-northwest	3.7
22:00	3.6	west	3.6
22:10	3.5	west-southwest	3.6
22:20	3.5	west-southwest	3.2
22:30	3.6	west-southwest	2.7
22:40	3.6	west-southwest	2.7
22:50	3.5	west-southwest	1.2
23:00	3.7	northwest	1.4
23:10	3.6	north	1.9
23:20	3.6	north	2.2
23:30	3.7	north	1.3
23:40	3.5	north-northwest	0.7
23:50	3.5	north	0.7