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

○Information

○Measurement value list ： 2026/04/10(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-southeast	4.9
00:10	3.7	south-southeast	4.8
00:20	3.5	south-southeast	5.3
00:30	3.6	south-southeast	4.9
00:40	3.6	south-southeast	5.8
00:50	3.6	south-southeast	5.3
01:00	3.6	south-southeast	4.8
01:10	3.7	south-southeast	5.9
01:20	3.8	south-southeast	5.7
01:30	3.7	south-southeast	6.1
01:40	3.7	south-southeast	6.0
01:50	3.6	south-southeast	6.3
02:00	3.7	south-southeast	5.1
02:10	3.6	south	5.6
02:20	3.5	south-southeast	6.0
02:30	3.7	south	5.7
02:40	3.5	south-southeast	4.7
02:50	3.7	south	4.7
03:00	3.7	south	4.6
03:10	3.7	south	4.4
03:20	3.5	south	4.5
03:30	3.5	south-southeast	3.9
03:40	3.6	south	3.8
03:50	3.8	south-southeast	3.1
04:00	3.7	south-southeast	2.8
04:10	3.6	south-southeast	2.8
04:20	3.6	south-southeast	2.8
04:30	3.6	south-southeast	3.9
04:40	3.8	south-southeast	3.7
04:50	3.5	south	3.5
05:00	3.6	south	3.6
05:10	3.5	south-southeast	3.9
05:20	3.6	south-southeast	3.9
05:30	3.6	south	5.0
05:40	3.6	south-southeast	4.6
05:50	3.6	south-southeast	3.5
06:00	3.5	south	3.2
06:10	3.7	south-southeast	3.4
06:20	3.6	south	3.1
06:30	3.6	south-southeast	3.9
06:40	3.6	south-southeast	4.8
06:50	3.6	south-southeast	5.2
07:00	3.6	south-southeast	6.0
07:10	3.7	south-southeast	6.6
07:20	3.6	south-southeast	7.4
07:30	3.6	south-southeast	8.7
07:40	3.5	south-southeast	7.0
07:50	3.6	south-southeast	8.6
08:00	3.6	south-southeast	8.2
08:10	3.6	south-southeast	8.1
08:20	3.8	south-southeast	8.4
08:30	3.5	south-southeast	7.8
08:40	3.7	south-southeast	8.1
08:50	3.6	southeast	6.4
09:00	3.5	south-southeast	7.5
09:10	3.6	south-southeast	8.3
09:20	3.6	south-southeast	8.1
09:30	3.6	south	7.9
09:40	3.5	south	8.4
09:50	3.6	south	8.4
10:00	3.5	south	10.0
10:10	3.7	south	8.8
10:20	3.6	south	8.8
10:30	3.6	south	9.3
10:40	3.7	south	8.7
10:50	3.5	south	9.5
11:00	3.5	south	8.0
11:10	3.5	south	8.8
11:20	3.6	south	7.3
11:30	3.5	south	8.5
11:40	3.7	south	9.1
11:50	3.6	south	8.0
12:00	3.7	south-southeast	7.1
12:10	3.7	south	8.5
12:20	3.5	south	8.7
12:30	3.6	south	7.9
12:40	3.6	south	8.4
12:50	3.5	south	7.6
13:00	3.6	south	7.3
13:10	3.7	south	7.8
13:20	3.5	south	8.3
13:30	3.7	south	7.6
13:40	3.5	south-southeast	7.5
13:50	3.6	south	7.8
14:00	3.6	south	8.0
14:10	3.6	south	8.0
14:20	3.6	south	8.5
14:30	3.7	south	8.3
14:40	3.7	south	7.9
14:50	3.7	south	8.8
15:00	3.4	south	7.9
15:10	3.5	south	8.4
15:20	3.7	south	8.0
15:30	3.6	south	10.5
15:40	3.5	south	9.9
15:50	3.5	south	9.6
16:00	3.5	south	7.9
16:10	3.6	south	9.0
16:20	3.6	south	8.7
16:30	3.6	south	6.8
16:40	3.7	south-southwest	8.2
16:50	3.8	south	7.3
17:00	3.7	south-southwest	8.2
17:10	3.6	south-southwest	9.4
17:20	3.6	south-southwest	8.4
17:30	3.6	south	7.3
17:40	3.6	south	7.6
17:50	3.7	south	6.8
18:00	3.6	south	6.4
18:10	3.5	south	6.6
18:20	3.6	south-southeast	5.1
18:30	3.5	south	3.7
18:40	3.6	south-southeast	3.9
18:50	3.6	south-southeast	4.4
19:00	3.6	south	4.0
19:10	3.9	south	3.0
19:20	3.6	south	3.1
19:30	3.6	south-southwest	4.1
19:40	3.6	south-southwest	3.1
19:50	3.7	south-southwest	3.0
20:00	3.5	south-southwest	2.9
20:10	3.5	south	3.1
20:20	3.6	south	3.4
20:30	3.6	south-southeast	3.8
20:40	3.6	south	3.9
20:50	3.7	south	4.1
21:00	3.5	south-southeast	4.6
21:10	3.5	south-southeast	4.7
21:20	3.7	south-southeast	4.2
21:30	3.6	south-southeast	5.0
21:40	3.7	south-southeast	4.1
21:50	3.4	south	3.2
22:00	3.6	south-southeast	3.0
22:10	3.5	south	3.1
22:20	3.8	south-southeast	3.8
22:30	3.5	south-southeast	4.5
22:40	3.6	south	3.8
22:50	3.5	south	3.3
23:00	3.5	south-southwest	2.3
23:10	3.6	west-southwest	3.4
23:20	3.5	west-southwest	4.4
23:30	3.7	west-southwest	4.1
23:40	3.5	west-southwest	2.2
23:50	3.4	west-southwest	2.5