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

○Information

○Measurement value list ： 2026/01/13(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	3.3
00:10	3.8	south	4.0
00:20	3.7	south	4.5
00:30	3.7	south	4.4
00:40	3.6	south	3.5
00:50	3.7	south	3.7
01:00	3.7	south	3.1
01:10	3.7	south-southwest	2.3
01:20	3.7	south-southwest	1.7
01:30	3.8	south	2.8
01:40	3.7	south-southwest	2.7
01:50	3.7	southwest	2.9
02:00	3.7	south-southwest	2.3
02:10	3.7	south-southwest	4.2
02:20	3.8	south-southwest	4.8
02:30	3.5	south-southwest	5.7
02:40	3.5	south-southwest	4.1
02:50	3.8	south-southwest	4.4
03:00	3.6	south-southwest	4.0
03:10	3.8	south-southwest	3.2
03:20	3.7	south-southwest	3.7
03:30	3.7	south-southwest	2.7
03:40	3.6	south-southwest	2.9
03:50	3.9	south-southwest	3.0
04:00	3.7	south-southwest	3.8
04:10	3.8	south	3.7
04:20	3.8	south	3.5
04:30	3.9	south	4.9
04:40	3.8	south-southwest	5.4
04:50	3.6	south-southwest	5.3
05:00	3.7	south-southwest	6.1
05:10	3.9	south-southwest	6.5
05:20	3.8	south-southwest	6.0
05:30	3.7	south-southwest	6.2
05:40	3.9	south-southwest	5.9
05:50	3.7	south-southwest	6.8
06:00	3.7	southwest	6.9
06:10	3.8	southwest	7.7
06:20	3.7	southwest	7.3
06:30	3.7	south-southwest	6.8
06:40	3.7	south-southwest	6.1
06:50	3.7	south-southwest	5.8
07:00	4.0	south-southwest	5.5
07:10	3.7	southwest	5.5
07:20	3.8	south-southwest	5.9
07:30	3.7	south-southwest	6.0
07:40	3.7	south-southwest	5.5
07:50	3.7	south-southwest	5.4
08:00	3.6	south-southwest	4.6
08:10	3.6	south-southwest	4.1
08:20	3.7	south-southwest	4.6
08:30	3.6	south-southwest	4.1
08:40	3.8	south	4.2
08:50	3.9	south	4.4
09:00	3.7	south	4.5
09:10	3.7	south-southeast	5.3
09:20	3.8	south-southeast	4.8
09:30	3.8	south-southeast	4.8
09:40	3.8	south-southeast	4.6
09:50	3.7	south-southeast	4.1
10:00	3.7	south-southeast	3.2
10:10	3.6	south-southwest	2.8
10:20	3.8	south-southwest	1.9
10:30	3.8	south-southeast	2.6
10:40	3.8	south-southeast	2.6
10:50	3.8	southeast	3.6
11:00	3.8	southeast	3.2
11:10	3.8	south-southeast	2.5
11:20	3.9	south-southeast	4.1
11:30	3.6	south-southeast	4.5
11:40	3.6	south	5.2
11:50	3.8	south-southeast	5.7
12:00	3.6	south	4.7
12:10	3.9	south-southwest	5.9
12:20	3.7	south-southwest	6.2
12:30	3.8	south-southwest	6.2
12:40	3.7	southwest	6.8
12:50	3.7	southwest	6.2
13:00	3.9	southwest	9.9
13:10	3.8	southwest	8.4
13:20	3.9	south-southwest	10.4
13:30	3.8	south-southwest	9.5
13:40	3.8	south-southwest	6.2
13:50	3.7	south-southwest	7.7
14:00	4.0	south-southwest	7.5
14:10	3.8	southwest	8.2
14:20	3.7	southwest	6.7
14:30	3.8	south-southwest	5.2
14:40	3.7	southwest	6.0
14:50	3.6	southwest	4.8
15:00	3.7	southwest	5.0
15:10	3.7	southwest	6.9
15:20	3.7	west-southwest	7.0
15:30	3.7	west-southwest	7.1
15:40	3.8	west-southwest	5.5
15:50	3.6	west-southwest	5.9
16:00	3.8	west	6.5
16:10	3.8	west	8.3
16:20	3.8	west	7.3
16:30	3.8	west	7.6
16:40	3.7	west	7.7
16:50	3.7	west	9.9
17:00	3.6	west	10.9
17:10	3.8	west-southwest	9.0
17:20	3.8	west	11.0
17:30	3.7	west	11.0
17:40	3.7	west-southwest	11.8
17:50	3.7	west	9.1
18:00	3.7	west	8.9
18:10	3.9	west	8.4
18:20	3.9	west	8.7
18:30	3.8	west	10.5
18:40	3.6	west	14.5
18:50	3.8	west	11.0
19:00	3.8	west	11.4
19:10	3.6	west	10.5
19:20	3.7	west	11.3
19:30	3.8	west	10.7
19:40	3.6	west	10.3
19:50	3.8	west	13.1
20:00	3.9	west	11.9
20:10	3.8	west	10.8
20:20	3.6	west	10.0
20:30	3.7	west	10.9
20:40	3.7	west	7.8
20:50	3.7	west	8.3
21:00	3.9	west	8.2
21:10	3.6	west	10.0
21:20	3.9	west	9.6
21:30	3.8	west	6.8
21:40	3.8	west	7.6
21:50	3.7	west	7.5
22:00	3.8	west-southwest	6.1
22:10	3.8	west	5.7
22:20	3.8	west	5.8
22:30	3.7	west	6.1
22:40	3.5	west-southwest	7.7
22:50	3.7	west	5.7
23:00	3.7	west	5.4
23:10	3.7	west	7.6
23:20	3.7	west	6.1
23:30	3.9	west	7.5
23:40	3.7	west	5.9
23:50	3.8	west	7.1