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

○Information

○Measurement value list ： 2026/05/22(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	3.7	north-northwest	4.6
00:10	3.6	north	5.0
00:20	3.6	north	5.9
00:30	3.6	north	6.1
00:40	3.4	north-northwest	5.3
00:50	3.6	north	6.6
01:00	3.5	north-northwest	5.3
01:10	3.5	north	5.2
01:20	3.7	north	6.3
01:30	3.5	north	5.4
01:40	3.5	north	7.2
01:50	3.6	north	6.4
02:00	3.4	north-northwest	5.7
02:10	3.6	north	5.9
02:20	3.6	north	6.6
02:30	3.5	north	5.8
02:40	3.6	north	3.9
02:50	3.6	north-northwest	3.6
03:00	3.4	north-northwest	5.3
03:10	3.6	north	5.0
03:20	3.6	north	5.5
03:30	3.5	north	5.3
03:40	3.6	north-northeast	8.6
03:50	3.6	north-northeast	9.5
04:00	3.6	north	7.6
04:10	3.6	north-northeast	5.5
04:20	3.4	north	6.2
04:30	3.7	north	5.2
04:40	3.5	north	5.7
04:50	3.6	north-northwest	5.4
05:00	3.5	north	5.8
05:10	3.6	north-northeast	6.1
05:20	3.5	north	5.8
05:30	3.5	north	6.7
05:40	3.7	north-northeast	8.4
05:50	3.7	north-northeast	7.0
06:00	3.6	north-northeast	8.0
06:10	3.5	north-northeast	7.7
06:20	3.5	north-northeast	7.0
06:30	3.7	north	5.3
06:40	3.6	north	7.0
06:50	3.5	north-northeast	6.1
07:00	3.6	north	4.9
07:10	3.6	north-northeast	6.7
07:20	3.6	north	6.5
07:30	3.5	north	5.6
07:40	3.5	north	6.6
07:50	3.5	north	6.1
08:00	3.5	north	6.2
08:10	3.5	north	7.4
08:20	3.7	north-northwest	5.7
08:30	3.7	north	5.0
08:40	3.5	north-northwest	5.3
08:50	3.7	north	6.5
09:00	3.6	north	5.1
09:10	3.7	north-northwest	6.6
09:20	3.6	north	6.0
09:30	3.4	north	5.5
09:40	3.5	north	7.2
09:50	3.7	north	7.1
10:00	3.5	north	5.9
10:10	3.5	north	8.1
10:20	3.6	north	7.5
10:30	3.5	north	6.3
10:40	3.5	north	6.3
10:50	3.6	north	6.6
11:00	3.7	north	6.9
11:10	3.6	north	5.4
11:20	3.6	north	6.0
11:30	3.6	north	6.7
11:40	3.5	north	7.2
11:50	3.7	north	6.9
12:00	3.6	north	6.2
12:10	3.7	north	6.1
12:20	3.5	north	7.0
12:30	3.5	north	5.8
12:40	3.6	north-northeast	6.7
12:50	3.8	north-northeast	7.4
13:00	3.5	north	6.7
13:10	3.7	north	6.2
13:20	3.6	north-northeast	7.1
13:30	3.5	north	6.4
13:40	3.6	north-northwest	6.3
13:50	3.7	north	6.4
14:00	3.6	north	5.8
14:10	3.7	north	7.2
14:20	3.5	north-northwest	4.3
14:30	3.6	north-northeast	5.7
14:40	3.7	north	5.0
14:50	3.7	north	6.8
15:00	3.7	north	4.5
15:10	3.5	north	6.7
15:20	3.6	north	6.6
15:30	3.6	north	6.0
15:40	3.6	north	6.8
15:50	3.4	north	6.9
16:00	3.4	north	4.5
16:10	3.6	north	5.7
16:20	3.5	north	5.9
16:30	3.5	north	6.6
16:40	3.6	north-northeast	6.8
16:50	3.5	north	7.2
17:00	3.5	north	7.2
17:10	3.6	north-northeast	8.1
17:20	3.7	north	7.5
17:30	3.5	north-northeast	6.2
17:40	3.5	north-northeast	7.8
17:50	3.5	north	6.8
18:00	3.7	north	5.0
18:10	3.4	north-northwest	4.5
18:20	3.7	north	5.8
18:30	3.4	north	4.9
18:40	3.5	north	5.7
18:50	3.6	north	6.4
19:00	3.6	north	5.3
19:10	3.5	north	7.5
19:20	3.6	north	5.8
19:30	3.7	north	5.4
19:40	3.6	north	5.5
19:50	3.6	north	4.6
20:00	3.6	north-northwest	4.8
20:10	3.4	north	4.6
20:20	3.5	north	4.7
20:30	3.6	north	5.5
20:40	3.7	north-northwest	4.5
20:50	3.5	north	5.9
21:00	3.5	north-northwest	4.5
21:10	3.4	north-northwest	4.4
21:20	3.7	north-northwest	4.5
21:30	3.6	north-northwest	5.5
21:40	3.7	north-northwest	4.6
21:50	3.4	north-northwest	4.4
22:00	3.5	north-northwest	4.7
22:10	3.5	north-northwest	4.7
22:20	3.6	north-northwest	4.6
22:30	3.5	north	4.5
22:40	3.5	north	3.8
22:50	3.6	north	5.3
23:00	3.6	north	4.4
23:10	3.5	north	4.7
23:20	3.5	north	5.5
23:30	3.6	north	5.0
23:40	3.6	north	4.4
23:50	3.5	north	4.4