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

○Information

○Measurement value list ： 2026/07/19(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	3.5	south-southeast	6.6
00:10	3.6	south	6.1
00:20	3.6	south	5.3
00:30	3.4	south	5.3
00:40	3.4	south	4.9
00:50	3.4	south	5.0
01:00	3.7	south	4.8
01:10	3.4	south	6.0
01:20	3.6	south-southeast	6.2
01:30	3.6	south	5.3
01:40	3.5	south	5.1
01:50	3.5	south	4.5
02:00	3.5	south	5.2
02:10	3.5	south-southeast	4.9
02:20	3.7	south	6.1
02:30	3.5	south	6.3
02:40	3.4	south	6.2
02:50	3.7	south	6.1
03:00	3.5	south	6.8
03:10	3.6	south-southeast	5.4
03:20	3.7	south	5.5
03:30	3.6	south-southeast	5.9
03:40	3.6	south-southeast	5.4
03:50	3.4	south	5.3
04:00	3.5	south	5.1
04:10	3.4	south	5.4
04:20	3.4	south	5.8
04:30	3.6	south	5.4
04:40	3.5	south	5.5
04:50	3.7	south-southeast	5.0
05:00	3.4	south	5.4
05:10	3.5	south-southeast	5.0
05:20	3.7	south-southeast	5.2
05:30	3.5	south-southeast	5.8
05:40	3.5	south-southeast	6.2
05:50	3.6	south-southeast	6.6
06:00	3.5	south-southeast	6.2
06:10	3.6	south-southeast	5.9
06:20	3.5	south-southeast	6.2
06:30	3.5	south-southeast	6.4
06:40	3.6	south	6.9
06:50	3.6	south	6.5
07:00	3.8	south	5.2
07:10	3.5	south	5.8
07:20	3.6	south	6.2
07:30	3.5	south	5.7
07:40	3.6	south	5.4
07:50	3.6	south	5.8
08:00	3.6	south	5.4
08:10	3.5	south	5.4
08:20	3.6	south-southeast	4.8
08:30	3.5	south-southeast	5.0
08:40	3.6	south	3.8
08:50	3.6	south	5.0
09:00	3.6	south	5.0
09:10	3.6	south	4.5
09:20	3.4	south-southeast	3.6
09:30	3.6	south-southeast	3.5
09:40	3.6	south-southeast	3.4
09:50	3.5	south-southeast	4.0
10:00	3.4	south-southeast	4.5
10:10	3.6	south-southeast	4.3
10:20	3.6	south-southeast	4.1
10:30	3.5	south-southeast	4.7
10:40	3.6	south-southeast	6.6
10:50	3.5	south-southeast	6.4
11:00	3.7	south-southeast	5.9
11:10	3.6	south-southeast	6.5
11:20	3.6	south-southeast	5.9
11:30	3.5	south-southeast	5.2
11:40	3.5	south-southeast	6.0
11:50	3.6	south-southeast	5.1
12:00	3.6	south-southeast	6.5
12:10	3.5	south-southeast	5.2
12:20	3.9	south-southeast	4.7
12:30	3.5	south-southeast	5.5
12:40	3.5	south-southeast	5.4
12:50	3.6	south-southeast	5.8
13:00	3.5	south-southeast	4.5
13:10	3.5	south-southeast	4.4
13:20	3.5	south-southeast	5.0
13:30	3.6	south-southeast	5.2
13:40	3.6	south-southeast	4.8
13:50	3.6	south	6.4
14:00	3.5	south	5.2
14:10	3.6	south-southeast	4.0
14:20	3.5	south-southeast	4.9
14:30	3.5	south-southeast	3.6
14:40	3.7	south-southeast	4.4
14:50	3.5	south-southeast	3.1
15:00	3.6	south-southeast	2.7
15:10	3.7	south-southeast	3.6
15:20	3.4	south-southeast	3.4
15:30	3.5	south-southeast	3.4
15:40	3.6	south-southeast	3.3
15:50	3.4	south-southeast	3.2
16:00	3.4	south-southeast	3.9
16:10	3.4	south	3.7
16:20	3.5	south	3.3
16:30	3.6	south	3.3
16:40	3.7	south	4.3
16:50	3.4	south	2.5
17:00	3.7	south	2.2
17:10	3.6	south	3.7
17:20	3.6	south	3.5
17:30	3.6	south	3.6
17:40	3.7	south	2.8
17:50	3.6	south	3.3
18:00	3.6	south	3.3
18:10	3.5	south	3.2
18:20	3.5	south	3.3
18:30	3.6	south	4.2
18:40	3.6	south-southwest	3.9
18:50	3.5	south	4.0
19:00	3.4	south	3.9
19:10	3.5	south	3.7
19:20	3.4	south	3.5
19:30	3.6	south-southwest	3.3
19:40	3.6	south-southwest	3.2
19:50	3.6	south-southwest	3.3
20:00	3.6	south-southwest	2.6
20:10	3.5	southwest	2.5
20:20	3.5	southwest	2.0
20:30	3.6	southwest	2.0
20:40	3.6	west-southwest	2.2
20:50	3.6	west-southwest	2.2
21:00	3.6	west	2.9
21:10	3.6	west-southwest	2.2
21:20	3.6	west-southwest	1.3
21:30	3.5	west-southwest	1.8
21:40	3.6	west	2.8
21:50	3.6	west	4.0
22:00	3.4	west	4.6
22:10	3.5	west	3.7
22:20	3.5	west	3.1
22:30	3.6	west-northwest	2.1
22:40	3.5	northwest	1.3
22:50	3.4	northwest	2.1
23:00	3.4	northwest	1.5
23:10	3.6	north-northwest	1.0
23:20	3.5	north-northwest	1.2
23:30	3.5	north	1.9
23:40	3.4	north	2.1
23:50	3.6	north	2.0