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

○Information

○Measurement value list ： 2026/05/06(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	7.4
00:10	3.6	south	7.4
00:20	3.5	south	6.9
00:30	3.5	south	6.6
00:40	3.5	south	6.7
00:50	3.6	south	7.1
01:00	3.7	south	7.6
01:10	3.5	south	7.2
01:20	3.5	south	6.2
01:30	3.6	south	6.2
01:40	3.6	south	6.4
01:50	3.6	south	6.9
02:00	3.5	south	6.9
02:10	3.6	south	6.0
02:20	3.7	south	6.7
02:30	3.4	south	6.0
02:40	3.7	south	7.1
02:50	3.8	south	6.5
03:00	3.6	south	5.9
03:10	3.5	south	6.8
03:20	3.5	south	6.3
03:30	3.7	south	6.0
03:40	3.5	south	5.1
03:50	3.5	south	5.0
04:00	3.5	south	4.7
04:10	3.6	south	5.1
04:20	3.5	south	5.3
04:30	3.7	south	5.4
04:40	3.6	south	6.9
04:50	3.7	south	6.9
05:00	3.6	south-southwest	7.3
05:10	3.5	south	7.4
05:20	3.6	south	7.3
05:30	3.8	south	7.3
05:40	3.6	south	6.7
05:50	3.6	south	6.8
06:00	3.6	south-southwest	6.9
06:10	3.5	south	7.6
06:20	3.6	south	5.4
06:30	3.6	south	5.5
06:40	3.6	south	5.9
06:50	3.5	south	6.3
07:00	3.6	south-southwest	4.9
07:10	3.6	south	5.9
07:20	3.5	south	5.6
07:30	3.5	south-southwest	4.5
07:40	3.6	south-southwest	6.5
07:50	3.6	south-southwest	5.5
08:00	3.4	south-southwest	4.7
08:10	3.6	south-southwest	5.1
08:20	3.5	south	5.6
08:30	3.7	south-southwest	4.8
08:40	3.6	south-southwest	5.1
08:50	3.5	south-southwest	4.6
09:00	3.6	southwest	5.0
09:10	3.5	south-southwest	6.1
09:20	3.5	southwest	6.3
09:30	3.6	southwest	7.1
09:40	3.6	southwest	4.9
09:50	3.5	southwest	8.1
10:00	3.7	south-southwest	6.1
10:10	3.4	south-southwest	6.6
10:20	3.7	south-southwest	6.0
10:30	3.7	south	6.5
10:40	3.5	south-southwest	6.5
10:50	3.5	south	5.2
11:00	3.7	south-southeast	8.9
11:10	3.5	south-southeast	7.6
11:20	3.7	south-southeast	9.0
11:30	3.6	south-southeast	9.0
11:40	3.6	south-southeast	9.1
11:50	3.6	south-southeast	8.5
12:00	3.6	south-southeast	9.2
12:10	3.5	south-southeast	9.5
12:20	3.6	south-southeast	8.9
12:30	3.5	south-southeast	9.8
12:40	3.6	south-southeast	9.4
12:50	3.4	south-southeast	10.2
13:00	3.5	south-southeast	8.2
13:10	3.6	south-southeast	8.6
13:20	3.6	south-southeast	8.8
13:30	3.5	south	9.0
13:40	3.6	south	8.6
13:50	3.7	south-southeast	8.4
14:00	3.6	south-southeast	8.2
14:10	3.6	south-southeast	7.5
14:20	3.5	south-southeast	7.5
14:30	3.4	south	8.5
14:40	3.6	south-southeast	7.8
14:50	3.4	south-southeast	7.4
15:00	3.5	south-southeast	8.4
15:10	3.7	south-southeast	8.9
15:20	3.6	south-southeast	7.7
15:30	3.6	south-southeast	7.2
15:40	3.6	south-southeast	7.8
15:50	3.6	south-southeast	8.2
16:00	3.7	south-southeast	7.2
16:10	3.7	south-southeast	7.3
16:20	3.5	south-southeast	7.5
16:30	3.6	south-southeast	6.3
16:40	3.6	south-southeast	7.5
16:50	3.7	south-southeast	6.4
17:00	3.4	south-southeast	7.4
17:10	3.7	south	6.4
17:20	3.6	south-southeast	5.7
17:30	3.6	south	7.8
17:40	3.6	south	7.8
17:50	3.5	south	8.5
18:00	3.6	south	7.0
18:10	3.5	south	6.2
18:20	3.5	south	6.9
18:30	3.6	south-southeast	6.3
18:40	3.7	south	6.3
18:50	3.6	south	6.4
19:00	3.6	south	6.0
19:10	3.5	south	6.1
19:20	3.5	south-southeast	5.5
19:30	3.5	south	4.8
19:40	3.6	south-southeast	4.7
19:50	3.6	south	4.1
20:00	3.7	south	4.1
20:10	3.5	south	4.3
20:20	3.5	south	4.3
20:30	3.5	south	4.2
20:40	3.5	south-southwest	3.8
20:50	3.6	south-southwest	3.6
21:00	3.5	south-southwest	3.9
21:10	3.7	south-southwest	4.1
21:20	3.5	south-southwest	4.0
21:30	3.6	southwest	3.8
21:40	3.6	southwest	2.1
21:50	3.5	west-southwest	1.9
22:00	3.6	south-southwest	1.0
22:10	3.5	southwest	1.4
22:20	3.5	south-southwest	1.9
22:30	3.6	south-southwest	1.2
22:40	3.5	south-southwest	1.3
22:50	3.7	southwest	1.8
23:00	3.6	south-southwest	2.0
23:10	3.5	south	2.9
23:20	3.5	south-southwest	2.9
23:30	3.6	south	2.7
23:40	3.6	south	3.5
23:50	3.6	south-southwest	4.3