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

○Information

○Measurement value list ： 2026/10/24(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	3.4	south-southwest	4.8
00:10	3.4	south-southwest	3.8
00:20	3.6	south-southwest	4.0
00:30	3.5	south-southwest	4.5
00:40	3.5	south-southwest	4.3
00:50	3.5	southwest	4.4
01:00	3.5	southwest	4.3
01:10	3.5	southwest	4.9
01:20	3.6	southwest	5.5
01:30	3.5	southwest	5.4
01:40	3.5	south-southwest	5.4
01:50	3.4	south-southwest	4.5
02:00	3.5	south-southwest	4.2
02:10	3.4	south-southwest	4.5
02:20	3.4	south-southwest	4.6
02:30	3.5	south-southwest	4.1
02:40	3.6	south	2.8
02:50	3.6	south	2.5
03:00	3.5	south-southeast	3.6
03:10	3.4	south-southeast	2.8
03:20	3.4	south-southeast	1.8
03:30	3.6	south-southwest	2.0
03:40	3.6	south-southwest	2.3
03:50	3.4	south	3.0
04:00	3.5	south	4.8
04:10	3.5	south-southwest	5.2
04:20	3.4	south	5.2
04:30	3.6	south	5.7
04:40	3.5	south	6.0
04:50	3.4	south	6.3
05:00	3.6	south	6.9
05:10	3.7	south	7.6
05:20	3.3	south	7.7
05:30	3.5	south	6.7
05:40	3.6	south	6.5
05:50	3.4	south	6.7
06:00	3.4	south	6.9
06:10	3.4	south	7.0
06:20	3.6	south	6.1
06:30	3.6	south	6.4
06:40	3.5	south	5.9
06:50	3.6	south	5.2
07:00	3.5	south	6.4
07:10	3.5	south	5.5
07:20	3.5	south	6.0
07:30	3.5	south	6.1
07:40	3.5	south	5.1
07:50	3.5	south	5.7
08:00	3.7	south	5.5
08:10	3.5	south	6.0
08:20	3.5	south	6.8
08:30	3.5	south	5.9
08:40	3.4	south	4.5
08:50	3.6	south	5.8
09:00	3.5	south	3.6
09:10	3.4	south	3.1
09:20	3.6	south	3.7
09:30	3.4	south	2.6
09:40	3.4	south-southeast	1.7
09:50	3.6	south	2.4
10:00	3.5	south-southeast	2.3
10:10	3.7	south-southeast	3.4
10:20	3.4	south-southeast	2.7
10:30	3.4	south	3.8
10:40	3.5	south	5.8
10:50	3.3	south	5.1
11:00	3.6	south	4.4
11:10	3.5	south	4.2
11:20	3.5	south-southeast	3.9
11:30	3.6	south	4.4
11:40	3.5	south	5.1
11:50	3.5	south	5.0
12:00	3.5	south	3.5
12:10	3.4	south	4.4
12:20	3.4	south	3.7
12:30	3.6	south	5.2
12:40	3.6	south	5.2
12:50	3.6	south-southeast	3.9
13:00	3.5	south	3.8
13:10	3.5	south	5.0
13:20	3.4	south	3.6
13:30	3.4	south	3.0
13:40	3.4	south	5.8
13:50	3.5	south	4.6
14:00	3.6	south	6.1
14:10	3.5	south	5.9
14:20	3.6	south	5.7
14:30	3.3	south	4.9
14:40	3.4	south	4.8
14:50	3.4	south	4.6
15:00	3.4	south	5.8
15:10	3.5	south	5.5
15:20	3.5	south	4.7
15:30	3.7	south	4.6
15:40	3.6	south	4.1
15:50	3.5	south	3.7
16:00	3.5	-	-
16:10	3.4	-	-
16:20	3.6	south-southeast	5.5
16:30	3.6	south-southeast	6.0
16:40	3.6	south	5.3
16:50	3.4	south	5.0
17:00	3.6	south	5.3
17:10	3.5	south-southeast	5.8
17:20	3.5	south	7.0
17:30	3.6	south	7.3
17:40	3.5	south	6.4
17:50	3.4	south	7.0
18:00	3.4	south	8.4
18:10	3.4	south	9.6
18:20	3.5	south	8.1
18:30	3.4	south	8.4
18:40	3.6	south	8.2
18:50	3.6	south	9.0
19:00	3.6	south	8.9
19:10	3.5	south	8.2
19:20	3.4	south	9.0
19:30	3.5	south	9.4
19:40	3.5	south	10.3
19:50	3.4	south	10.3
20:00	3.6	south	8.0
20:10	3.5	south	7.1
20:20	3.7	south	5.8
20:30	3.4	south	6.0
20:40	3.5	south	6.7
20:50	3.7	south	6.8
21:00	3.5	south	6.8
21:10	3.5	south	6.9
21:20	3.4	south	7.4
21:30	3.5	south	7.1
21:40	3.4	south	5.9
21:50	3.5	south	5.8
22:00	3.4	south	5.4
22:10	3.5	south-southwest	5.2
22:20	3.6	south	7.3
22:30	3.5	south	6.6
22:40	3.4	south	6.0
22:50	3.5	south-southwest	3.1
23:00	3.5	south-southwest	3.2
23:10	3.5	south-southwest	3.4
23:20	3.5	south	4.1
23:30	3.4	south	3.0
23:40	3.6	south	1.8
23:50	3.4	south-southwest	3.3