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

○Information

○Measurement value list ： 2025/06/22(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-southwest	4.1
00:10	3.6	south	5.6
00:20	3.6	south	6.5
00:30	3.6	south	6.1
00:40	3.5	south	5.5
00:50	3.6	south	5.5
01:00	3.6	south	5.3
01:10	3.8	south	5.5
01:20	3.7	south	6.4
01:30	3.5	south	5.8
01:40	3.7	south	4.8
01:50	3.7	south-southwest	4.0
02:00	3.6	south	3.6
02:10	3.6	south-southwest	4.5
02:20	3.6	south	3.3
02:30	3.6	south	3.8
02:40	3.5	south-southwest	3.9
02:50	3.6	south-southwest	4.2
03:00	3.5	south	3.9
03:10	3.6	south	5.0
03:20	3.5	south-southeast	6.1
03:30	3.6	south	6.8
03:40	3.7	south	6.3
03:50	3.7	south	5.3
04:00	3.6	south	4.9
04:10	3.6	south-southwest	4.7
04:20	3.5	south-southwest	4.4
04:30	3.6	south-southwest	3.6
04:40	3.6	south-southwest	3.4
04:50	3.3	south	3.4
05:00	3.5	south	3.6
05:10	3.6	south-southwest	3.6
05:20	3.4	south-southwest	3.4
05:30	3.7	south-southwest	3.5
05:40	3.6	south	3.9
05:50	3.5	south-southwest	4.9
06:00	3.6	south-southwest	5.1
06:10	3.5	south-southwest	4.3
06:20	3.5	south-southwest	4.6
06:30	3.7	south-southwest	3.4
06:40	3.6	south	3.4
06:50	3.6	south	3.4
07:00	3.5	south-southwest	2.8
07:10	3.6	southwest	2.0
07:20	3.6	southwest	2.5
07:30	3.6	south-southwest	2.2
07:40	3.5	south	2.3
07:50	3.5	south-southeast	2.1
08:00	3.7	south	1.8
08:10	3.8	southwest	3.7
08:20	3.5	southwest	3.2
08:30	3.7	south	2.6
08:40	3.6	south-southeast	2.6
08:50	3.6	south-southeast	2.6
09:00	3.6	south	2.5
09:10	3.5	south-southeast	3.2
09:20	3.5	south-southeast	3.5
09:30	3.5	south-southeast	3.6
09:40	3.5	south-southeast	5.1
09:50	3.6	south-southeast	6.4
10:00	3.6	south-southeast	7.0
10:10	3.5	south-southeast	6.4
10:20	3.7	south-southeast	6.3
10:30	3.5	southeast	5.2
10:40	3.6	south-southeast	5.4
10:50	3.7	south-southeast	6.1
11:00	3.6	south-southeast	5.8
11:10	3.6	south-southeast	5.6
11:20	3.6	south-southeast	5.7
11:30	3.7	south-southeast	6.2
11:40	3.8	south-southeast	5.4
11:50	3.3	south-southeast	5.5
12:00	3.6	south-southeast	5.4
12:10	3.4	south-southeast	6.3
12:20	3.6	south-southeast	5.5
12:30	3.6	southeast	6.0
12:40	3.5	south-southeast	6.2
12:50	3.5	south-southeast	6.1
13:00	3.7	south-southeast	5.2
13:10	3.4	south-southeast	6.1
13:20	3.7	south-southeast	7.1
13:30	3.6	south-southeast	7.2
13:40	3.4	south-southeast	7.1
13:50	3.6	south-southeast	6.6
14:00	3.6	south-southeast	6.7
14:10	3.6	south-southeast	5.7
14:20	3.6	south-southeast	5.9
14:30	3.7	south-southeast	4.3
14:40	3.5	south-southeast	5.2
14:50	3.6	south	5.9
15:00	3.5	south-southeast	5.9
15:10	3.6	south-southeast	4.2
15:20	3.7	south-southeast	4.3
15:30	3.5	south-southeast	5.0
15:40	3.5	south-southeast	5.6
15:50	3.5	south-southeast	4.2
16:00	3.6	south-southeast	4.6
16:10	3.6	south	4.7
16:20	3.5	south	4.2
16:30	3.7	south	3.9
16:40	3.5	south	3.8
16:50	3.5	south	3.4
17:00	3.5	south	3.2
17:10	3.5	south	3.7
17:20	3.5	south	4.1
17:30	3.6	south-southwest	3.7
17:40	3.5	south-southwest	3.6
17:50	3.5	south	3.3
18:00	3.6	south	2.9
18:10	3.4	south-southwest	3.8
18:20	3.6	south-southwest	4.2
18:30	3.6	south-southwest	3.5
18:40	3.7	south-southwest	3.6
18:50	3.7	southwest	2.8
19:00	3.8	southwest	3.1
19:10	3.4	southwest	2.9
19:20	3.5	southwest	2.6
19:30	3.6	southwest	3.1
19:40	3.6	southwest	2.4
19:50	3.5	southwest	3.0
20:00	3.6	southwest	2.2
20:10	3.6	southwest	2.1
20:20	3.5	southwest	2.3
20:30	3.6	west-southwest	1.9
20:40	3.6	west-southwest	2.9
20:50	3.4	west-southwest	2.5
21:00	3.5	west-southwest	3.2
21:10	3.5	west-southwest	4.0
21:20	3.6	west	3.1
21:30	3.4	west	3.4
21:40	3.6	west	4.2
21:50	3.5	west-northwest	2.2
22:00	3.5	west-southwest	0.8
22:10	3.6	west-southwest	1.5
22:20	3.5	southwest	1.6
22:30	3.6	southwest	1.1
22:40	3.5	southwest	1.8
22:50	3.6	south	0.6
23:00	3.6	southwest	0.9
23:10	3.4	southwest	0.7
23:20	3.5	-	CALM
23:30	3.6	-	CALM
23:40	3.5	north-northwest	0.7
23:50	3.6	north	1.2