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

○Information

○Measurement value list ： 2026/07/08(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	3.6	south	4.8
00:10	3.5	south	4.8
00:20	3.4	south	4.8
00:30	3.6	south	4.8
00:40	3.6	south-southeast	5.4
00:50	3.4	south-southeast	6.3
01:00	3.6	south-southeast	6.2
01:10	3.4	south	4.2
01:20	3.4	south	4.5
01:30	3.4	south	4.3
01:40	3.4	south	4.1
01:50	3.5	south	4.0
02:00	3.5	south	4.1
02:10	3.5	south	4.7
02:20	3.6	south	4.5
02:30	3.5	south	4.6
02:40	3.5	south-southeast	3.8
02:50	3.4	south	3.8
03:00	3.5	south-southeast	4.3
03:10	3.7	south	4.9
03:20	3.7	south	5.1
03:30	3.5	south	5.3
03:40	3.5	south	5.2
03:50	3.6	south	5.0
04:00	3.7	south-southwest	3.8
04:10	3.6	south-southwest	3.7
04:20	3.5	south	3.9
04:30	3.5	south	3.8
04:40	3.5	south	3.7
04:50	3.6	south	3.4
05:00	3.5	south-southwest	3.3
05:10	3.6	south-southwest	2.7
05:20	3.5	south-southwest	2.8
05:30	3.6	south-southwest	2.2
05:40	3.8	south-southwest	2.2
05:50	3.6	southwest	2.2
06:00	3.6	southwest	1.3
06:10	3.6	south-southwest	1.2
06:20	3.6	south	1.0
06:30	3.6	east-southeast	1.2
06:40	3.6	southeast	0.9
06:50	3.6	south-southeast	1.7
07:00	3.5	south-southeast	1.9
07:10	3.5	south-southeast	2.1
07:20	3.5	south-southeast	2.0
07:30	3.4	south-southeast	2.0
07:40	3.6	south-southeast	3.4
07:50	3.6	south-southeast	4.3
08:00	3.6	south-southeast	3.9
08:10	3.6	south-southeast	3.7
08:20	3.5	southeast	4.4
08:30	3.5	southeast	4.5
08:40	3.4	southeast	4.4
08:50	3.6	southeast	5.5
09:00	3.5	southeast	5.2
09:10	3.6	southeast	5.1
09:20	3.6	southeast	5.2
09:30	3.7	southeast	4.5
09:40	3.7	southeast	4.7
09:50	3.7	southeast	4.2
10:00	3.5	south-southeast	3.7
10:10	3.7	southeast	4.4
10:20	3.5	east-southeast	4.8
10:30	3.6	south-southeast	5.8
10:40	3.5	southeast	5.8
10:50	3.6	southeast	5.8
11:00	3.7	southeast	6.3
11:10	3.6	southeast	5.9
11:20	3.7	southeast	5.6
11:30	3.6	southeast	5.5
11:40	3.7	southeast	4.6
11:50	3.6	southeast	5.2
12:00	3.5	southeast	5.9
12:10	3.6	southeast	5.9
12:20	3.4	southeast	5.6
12:30	3.6	southeast	6.4
12:40	3.5	southeast	6.0
12:50	3.5	southeast	5.1
13:00	3.6	southeast	5.7
13:10	3.4	southeast	6.0
13:20	3.8	southeast	5.4
13:30	3.6	southeast	5.2
13:40	3.6	southeast	5.1
13:50	3.7	southeast	5.9
14:00	3.6	southeast	6.9
14:10	3.5	south-southeast	5.3
14:20	3.6	southeast	5.9
14:30	3.7	southeast	6.1
14:40	3.7	southeast	5.6
14:50	3.6	southeast	5.3
15:00	3.6	southeast	5.3
15:10	3.6	south-southeast	5.1
15:20	3.6	south-southeast	4.6
15:30	3.5	southeast	5.6
15:40	3.5	southeast	5.8
15:50	3.6	south-southeast	6.1
16:00	3.7	south-southeast	5.1
16:10	3.6	south-southeast	5.7
16:20	3.4	southeast	5.7
16:30	3.6	south-southeast	6.4
16:40	3.6	southeast	6.7
16:50	3.6	south-southeast	6.6
17:00	3.6	south-southeast	6.8
17:10	3.6	south-southeast	6.1
17:20	3.6	south-southeast	6.3
17:30	3.7	south-southeast	6.0
17:40	3.6	south-southeast	6.7
17:50	3.5	south-southeast	6.3
18:00	3.6	south-southeast	5.9
18:10	3.5	south-southeast	5.4
18:20	3.5	south-southeast	6.5
18:30	3.5	south-southeast	6.1
18:40	3.5	south-southeast	5.9
18:50	3.6	south-southeast	5.9
19:00	3.6	south-southeast	5.8
19:10	3.8	south-southeast	5.4
19:20	3.5	south	6.2
19:30	3.5	south	5.4
19:40	3.4	south	5.0
19:50	3.4	south	4.7
20:00	3.6	south	4.6
20:10	3.6	south	4.6
20:20	3.5	south	4.9
20:30	3.6	south	4.5
20:40	3.6	south	4.5
20:50	3.6	south	4.7
21:00	3.6	south	5.2
21:10	3.7	south	5.1
21:20	3.6	south	5.1
21:30	3.5	south	4.3
21:40	3.6	south	4.2
21:50	3.4	south	4.2
22:00	3.5	south	3.9
22:10	3.6	south	3.9
22:20	3.7	south	4.2
22:30	3.5	south	4.9
22:40	3.6	south	4.4
22:50	3.5	south	4.0
23:00	3.6	south	4.5
23:10	3.7	south	4.0
23:20	3.7	south	4.0
23:30	3.7	south-southwest	4.8
23:40	3.6	south-southwest	4.2
23:50	3.6	south-southwest	3.7