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

○Information

○Measurement value list ： 2026/08/07(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	5.2
00:10	3.6	south	4.9
00:20	3.6	south	4.6
00:30	3.7	south	4.1
00:40	3.6	south	5.7
00:50	3.6	south	6.3
01:00	3.5	south	5.5
01:10	3.8	south	5.5
01:20	3.6	south	4.9
01:30	3.5	south-southeast	4.0
01:40	3.6	south	3.9
01:50	3.5	south	3.9
02:00	3.5	south	3.4
02:10	3.5	south	3.4
02:20	3.5	south	4.7
02:30	3.5	south	4.0
02:40	3.5	south	4.0
02:50	3.4	south	4.0
03:00	3.5	south	4.6
03:10	3.4	south	4.9
03:20	3.6	south	4.8
03:30	3.5	south	4.8
03:40	3.6	south	4.8
03:50	3.6	south	5.4
04:00	3.6	south	4.5
04:10	3.5	south	5.7
04:20	3.6	south	5.9
04:30	3.7	south	6.2
04:40	3.3	south	5.8
04:50	3.8	south	6.1
05:00	3.5	south	6.3
05:10	3.6	south	5.6
05:20	3.6	south	3.9
05:30	3.6	south	4.3
05:40	3.4	south	3.5
05:50	3.5	south	3.7
06:00	3.6	south	3.9
06:10	3.5	south-southeast	4.3
06:20	3.5	south	4.5
06:30	3.4	south	5.6
06:40	3.4	south-southeast	4.5
06:50	3.3	south	4.8
07:00	3.4	south	4.4
07:10	3.6	south	3.5
07:20	3.5	south	3.1
07:30	3.5	south	3.8
07:40	3.5	south-southeast	4.0
07:50	3.5	south	4.3
08:00	3.4	south	5.2
08:10	3.7	south-southeast	5.2
08:20	3.6	south-southeast	5.2
08:30	3.6	south-southeast	5.1
08:40	3.6	south-southeast	5.0
08:50	3.6	south-southeast	6.8
09:00	3.7	south-southeast	6.4
09:10	3.6	south-southeast	7.1
09:20	3.6	south-southeast	7.1
09:30	3.5	south-southeast	7.3
09:40	3.6	south-southeast	6.7
09:50	3.5	south-southeast	7.6
10:00	3.4	south-southeast	7.2
10:10	3.4	south-southeast	7.3
10:20	3.4	south-southeast	7.6
10:30	3.5	south	8.0
10:40	3.5	south-southeast	7.6
10:50	3.5	south-southeast	7.8
11:00	3.5	south-southeast	8.9
11:10	3.6	south-southeast	9.1
11:20	3.4	south-southeast	10.3
11:30	3.5	south-southeast	9.5
11:40	3.6	south-southeast	8.8
11:50	3.7	south	9.4
12:00	3.5	south-southeast	8.8
12:10	3.6	south-southeast	8.5
12:20	3.6	south-southeast	9.8
12:30	3.6	south	10.8
12:40	3.6	south-southeast	9.7
12:50	3.5	south-southeast	9.0
13:00	3.6	south-southeast	9.8
13:10	3.6	south-southeast	9.9
13:20	3.4	south-southeast	10.4
13:30	3.5	south-southeast	10.7
13:40	3.6	south-southeast	9.6
13:50	3.4	south	10.4
14:00	3.6	south-southeast	10.7
14:10	3.3	south-southeast	10.7
14:20	3.4	south-southeast	10.0
14:30	3.6	south-southeast	8.9
14:40	3.6	south-southeast	9.5
14:50	3.4	south-southeast	8.4
15:00	3.5	south-southeast	8.5
15:10	3.7	south	8.1
15:20	3.6	south-southeast	7.5
15:30	3.4	south	8.2
15:40	3.5	south-southeast	6.8
15:50	3.8	south	7.0
16:00	3.5	south	8.6
16:10	3.6	south	9.4
16:20	3.4	south	8.7
16:30	3.5	south	8.3
16:40	3.6	south	7.4
16:50	3.5	south	7.6
17:00	3.5	south	7.1
17:10	3.6	south	8.5
17:20	3.5	south	8.3
17:30	3.4	south	7.0
17:40	3.6	south	8.2
17:50	3.6	south	7.3
18:00	3.6	south	7.2
18:10	3.6	south-southeast	7.0
18:20	3.7	south	6.8
18:30	3.6	south-southeast	7.3
18:40	3.5	south	7.7
18:50	3.5	south	6.5
19:00	3.5	south	6.4
19:10	3.5	south	6.1
19:20	3.5	south	5.6
19:30	3.6	south	5.3
19:40	3.6	south	5.8
19:50	3.6	south	5.2
20:00	3.5	south	5.2
20:10	3.5	south	5.0
20:20	3.4	south-southeast	4.9
20:30	3.6	south-southeast	5.2
20:40	3.5	south	4.4
20:50	3.5	south	4.7
21:00	3.5	south	4.4
21:10	3.5	south	4.3
21:20	3.6	south	3.8
21:30	3.5	south	3.7
21:40	3.6	south	3.9
21:50	3.5	south	4.3
22:00	3.4	south	4.0
22:10	3.7	south	4.3
22:20	3.5	south	4.4
22:30	3.6	south	4.5
22:40	3.5	south	4.5
22:50	3.7	south	4.6
23:00	3.6	south	5.0
23:10	3.7	south	4.2
23:20	3.6	south	4.3
23:30	3.5	south	3.8
23:40	3.5	south	4.2
23:50	3.5	south	4.4