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

○Information

○Measurement value list ： 2025/08/29(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	3.7	south	1.6
00:10	3.5	south	2.7
00:20	3.5	south	2.0
00:30	3.6	south-southeast	1.0
00:40	3.6	south	0.9
00:50	3.5	south-southeast	1.5
01:00	3.7	south-southeast	2.1
01:10	3.6	south	2.5
01:20	3.6	south-southeast	0.9
01:30	3.7	south	1.7
01:40	3.6	south	2.8
01:50	3.5	south	3.0
02:00	3.5	south	3.2
02:10	3.5	south	3.3
02:20	3.4	south	3.5
02:30	3.6	south	3.7
02:40	3.6	south	3.1
02:50	3.7	south	2.6
03:00	3.6	south-southwest	2.2
03:10	3.5	south-southwest	2.3
03:20	3.5	south	2.7
03:30	3.5	south	2.5
03:40	3.7	south-southwest	2.8
03:50	3.4	south	2.6
04:00	3.6	south-southwest	2.9
04:10	3.6	south	3.4
04:20	3.5	south	2.8
04:30	3.7	south	2.3
04:40	3.6	south	3.0
04:50	3.8	south	3.1
05:00	3.7	south	3.8
05:10	3.5	south	3.4
05:20	3.6	south	3.5
05:30	3.5	south	3.2
05:40	3.5	south	3.1
05:50	3.6	south	3.5
06:00	3.6	south	3.6
06:10	3.4	south	2.2
06:20	3.5	south-southeast	1.7
06:30	3.7	south	2.1
06:40	3.4	south-southeast	2.7
06:50	3.8	south	2.0
07:00	3.5	south-southeast	1.9
07:10	3.5	south-southeast	1.5
07:20	3.6	southeast	1.8
07:30	3.6	east-southeast	2.8
07:40	3.6	southeast	3.3
07:50	3.5	south-southeast	2.4
08:00	3.4	south-southeast	3.3
08:10	3.4	southeast	3.4
08:20	3.5	southeast	4.0
08:30	3.5	southeast	4.6
08:40	3.6	southeast	4.1
08:50	3.4	southeast	4.7
09:00	3.5	southeast	4.4
09:10	3.6	south-southeast	5.6
09:20	3.6	southeast	5.1
09:30	3.4	southeast	5.6
09:40	3.7	south-southeast	5.4
09:50	3.6	southeast	5.7
10:00	3.3	south-southeast	5.3
10:10	3.5	south-southeast	6.0
10:20	3.5	south-southeast	5.8
10:30	3.6	south-southeast	6.7
10:40	3.7	south-southeast	5.4
10:50	3.5	south-southeast	5.2
11:00	3.5	south-southeast	5.6
11:10	3.5	south-southeast	5.3
11:20	3.6	south-southeast	5.5
11:30	3.6	south-southeast	5.1
11:40	3.5	south-southeast	5.8
11:50	3.5	south-southeast	5.8
12:00	3.4	south-southeast	6.7
12:10	3.4	south-southeast	4.9
12:20	3.6	southeast	4.2
12:30	3.6	southeast	6.0
12:40	3.4	south-southeast	5.4
12:50	3.5	south-southeast	5.6
13:00	3.5	south-southeast	5.9
13:10	3.6	south-southeast	4.5
13:20	3.7	south-southeast	4.1
13:30	3.6	south-southeast	4.3
13:40	3.5	south	3.4
13:50	3.5	southeast	2.8
14:00	3.4	south-southeast	1.9
14:10	3.6	south-southeast	2.1
14:20	3.7	south	2.0
14:30	3.5	south	3.3
14:40	3.5	south	3.6
14:50	3.5	south	3.6
15:00	3.7	south	1.9
15:10	3.5	south	1.7
15:20	3.5	southeast	1.2
15:30	3.5	southeast	1.5
15:40	3.5	east-southeast	0.9
15:50	3.6	south-southeast	1.3
16:00	3.6	southeast	1.7
16:10	3.4	south-southeast	1.8
16:20	3.6	south	1.7
16:30	3.6	south-southeast	1.1
16:40	3.7	south-southeast	1.6
16:50	3.5	south	1.7
17:00	3.5	south	1.4
17:10	3.7	south	2.3
17:20	3.5	south	2.9
17:30	3.6	south	3.2
17:40	3.5	south-southwest	1.6
17:50	3.5	southwest	0.8
18:00	3.5	south-southwest	2.7
18:10	3.7	south-southwest	3.6
18:20	3.5	south-southwest	3.9
18:30	3.6	south-southwest	5.2
18:40	3.6	southwest	2.4
18:50	3.5	south-southwest	4.8
19:00	3.6	south-southwest	2.8
19:10	3.4	south-southeast	2.1
19:20	3.4	south	3.0
19:30	3.5	south	3.8
19:40	3.5	south-southwest	3.6
19:50	3.5	southwest	2.4
20:00	3.4	south-southwest	3.0
20:10	3.6	south-southwest	3.5
20:20	3.7	south	2.6
20:30	3.6	south	3.2
20:40	3.4	south-southwest	2.8
20:50	3.5	south-southwest	2.2
21:00	3.6	south-southwest	2.1
21:10	3.5	southwest	1.3
21:20	3.4	south-southwest	2.2
21:30	3.6	south-southwest	2.6
21:40	3.6	south-southwest	2.7
21:50	3.5	south	3.4
22:00	3.5	south	3.4
22:10	3.5	south-southwest	3.5
22:20	3.7	south-southwest	4.1
22:30	3.5	southwest	4.0
22:40	3.6	southwest	3.5
22:50	3.6	south-southwest	3.5
23:00	3.5	southwest	2.9
23:10	3.7	west-southwest	2.5
23:20	3.7	southwest	2.8
23:30	3.5	southwest	4.0
23:40	3.5	southwest	3.5
23:50	3.6	southwest	4.1