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

○Information

○Measurement value list ： 2026/07/06(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	5.9
00:10	3.4	south	6.9
00:20	3.5	south	6.1
00:30	3.6	south-southeast	6.1
00:40	3.5	south	5.7
00:50	3.6	south	5.6
01:00	3.4	south	5.5
01:10	3.5	south	5.5
01:20	3.6	south	6.3
01:30	3.4	south	5.3
01:40	3.7	south	4.9
01:50	3.6	south	4.3
02:00	3.5	south	3.3
02:10	3.5	south	3.5
02:20	3.7	south	4.5
02:30	3.7	south	5.7
02:40	3.6	south	6.4
02:50	3.5	south	5.7
03:00	3.7	south	4.6
03:10	3.4	south-southwest	3.0
03:20	3.6	south-southwest	2.5
03:30	3.5	south	2.3
03:40	3.9	south	2.4
03:50	3.6	south-southeast	3.5
04:00	3.5	south	3.9
04:10	3.6	south-southeast	3.7
04:20	3.6	south-southeast	4.7
04:30	3.4	south	5.2
04:40	3.6	south	5.2
04:50	3.6	south	5.2
05:00	3.6	south	4.4
05:10	3.5	south-southeast	3.8
05:20	3.6	south-southeast	4.2
05:30	3.5	south-southeast	4.9
05:40	3.6	south-southeast	5.1
05:50	3.6	south	5.4
06:00	3.6	south	4.5
06:10	3.4	south	4.2
06:20	3.7	south-southeast	3.9
06:30	3.6	south-southeast	4.7
06:40	3.5	south-southeast	4.7
06:50	3.5	south-southeast	4.7
07:00	3.5	south-southeast	4.8
07:10	3.5	south-southeast	4.5
07:20	3.6	south-southeast	4.5
07:30	3.5	south-southeast	4.5
07:40	3.6	south-southeast	5.2
07:50	3.6	south-southeast	5.6
08:00	3.5	south	5.4
08:10	3.4	south	4.3
08:20	3.6	south	4.2
08:30	3.6	south-southeast	4.6
08:40	3.6	south-southeast	4.9
08:50	3.5	southeast	4.7
09:00	3.5	south-southeast	6.1
09:10	3.5	south-southeast	6.3
09:20	3.5	south-southeast	6.0
09:30	3.5	southeast	6.5
09:40	3.5	southeast	7.7
09:50	3.5	southeast	7.1
10:00	3.5	southeast	7.2
10:10	3.6	southeast	8.5
10:20	3.4	southeast	7.6
10:30	3.5	southeast	8.4
10:40	3.5	southeast	7.1
10:50	3.5	southeast	6.0
11:00	3.6	southeast	7.4
11:10	3.6	south-southeast	6.9
11:20	3.5	south-southeast	7.2
11:30	3.5	south-southeast	6.5
11:40	3.4	south-southeast	7.4
11:50	3.5	south-southeast	8.0
12:00	3.7	southeast	7.3
12:10	3.5	southeast	6.3
12:20	3.5	south-southeast	7.8
12:30	3.5	southeast	7.0
12:40	3.4	southeast	6.5
12:50	3.5	south-southeast	6.1
13:00	3.6	south-southeast	6.5
13:10	3.6	southeast	5.7
13:20	3.6	south-southeast	6.0
13:30	3.7	southeast	6.4
13:40	3.7	southeast	7.6
13:50	3.5	southeast	6.9
14:00	3.4	southeast	8.0
14:10	3.6	southeast	7.1
14:20	3.6	southeast	7.0
14:30	3.5	south-southeast	6.6
14:40	3.5	southeast	7.4
14:50	3.5	southeast	7.0
15:00	3.5	south-southeast	6.4
15:10	3.6	south-southeast	6.7
15:20	3.5	south-southeast	5.5
15:30	3.5	south-southeast	5.2
15:40	3.6	south-southeast	5.8
15:50	3.4	south-southeast	5.9
16:00	3.6	south-southeast	5.5
16:10	3.5	south-southeast	5.4
16:20	3.6	south-southeast	5.3
16:30	3.5	south-southeast	4.5
16:40	3.6	southeast	5.3
16:50	3.5	south-southeast	4.8
17:00	3.5	southeast	4.4
17:10	3.5	southeast	4.6
17:20	3.6	southeast	4.9
17:30	3.7	south-southeast	4.8
17:40	3.7	southeast	4.8
17:50	3.6	southeast	5.0
18:00	3.6	southeast	4.4
18:10	3.7	south-southeast	4.2
18:20	3.5	south-southeast	4.3
18:30	3.5	south-southeast	4.2
18:40	3.6	south-southeast	4.2
18:50	3.5	south-southeast	4.1
19:00	3.5	south-southeast	4.0
19:10	3.6	south-southeast	4.0
19:20	3.5	south-southeast	4.1
19:30	3.5	south-southeast	4.6
19:40	3.7	south-southeast	4.0
19:50	3.5	south-southeast	4.1
20:00	3.6	south-southeast	3.5
20:10	3.6	south-southeast	3.5
20:20	3.5	south-southeast	3.6
20:30	3.6	south-southeast	3.5
20:40	3.6	south-southeast	3.3
20:50	3.7	south-southeast	3.3
21:00	3.5	south-southeast	3.1
21:10	3.5	south-southeast	3.4
21:20	3.6	southeast	3.3
21:30	3.5	south-southeast	3.5
21:40	3.4	south-southeast	3.2
21:50	3.5	south-southeast	3.0
22:00	3.6	south	2.8
22:10	3.7	south	3.1
22:20	3.5	south-southwest	2.4
22:30	3.6	south-southwest	2.3
22:40	3.5	south-southwest	1.9
22:50	3.5	south	2.1
23:00	3.6	south-southeast	2.2
23:10	3.6	south	2.4
23:20	3.4	south	2.4
23:30	3.5	south	2.4
23:40	3.4	south-southeast	2.1
23:50	3.6	south	2.1