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

○Information

○Measurement value list ： 2025/07/19(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	3.6	south	3.4
00:10	3.6	south-southwest	3.5
00:20	3.5	south-southwest	3.0
00:30	3.6	south	3.4
00:40	3.7	south	3.8
00:50	3.6	south	3.7
01:00	3.5	south	4.5
01:10	3.6	south	4.6
01:20	3.7	south	4.9
01:30	3.5	south	4.3
01:40	3.4	south	4.7
01:50	3.6	south	4.4
02:00	3.8	south	5.4
02:10	3.7	south	5.6
02:20	3.5	south	4.8
02:30	3.5	south	4.7
02:40	3.6	south	4.6
02:50	3.5	south	4.9
03:00	3.4	south	4.7
03:10	3.6	south	3.8
03:20	3.7	south-southeast	4.4
03:30	3.6	south	4.4
03:40	3.6	south-southeast	4.6
03:50	3.5	south-southeast	4.7
04:00	3.5	south	5.2
04:10	3.6	south	4.1
04:20	3.6	south	4.7
04:30	3.5	south	5.5
04:40	3.7	south	4.6
04:50	3.6	south	4.0
05:00	3.5	south	2.5
05:10	3.5	south	2.7
05:20	3.6	south	3.1
05:30	3.5	south	3.4
05:40	3.5	south	3.2
05:50	3.5	south	3.4
06:00	3.6	south	3.4
06:10	3.5	south	3.1
06:20	3.5	south-southeast	3.0
06:30	3.6	south-southeast	2.7
06:40	3.7	south-southeast	2.4
06:50	3.6	south-southeast	2.0
07:00	3.4	south-southeast	1.5
07:10	3.8	southeast	2.3
07:20	3.5	south-southeast	2.9
07:30	3.5	south-southeast	2.6
07:40	3.5	south-southeast	2.2
07:50	3.4	south-southeast	2.3
08:00	3.7	south-southeast	2.7
08:10	3.7	south-southeast	2.4
08:20	3.6	south-southeast	2.1
08:30	3.5	south-southeast	2.9
08:40	3.7	south-southeast	3.5
08:50	3.7	south-southeast	4.4
09:00	3.6	south-southeast	5.5
09:10	3.5	south-southeast	5.3
09:20	3.6	south-southeast	5.0
09:30	3.6	south-southeast	5.8
09:40	3.6	south-southeast	5.9
09:50	3.4	south-southeast	5.7
10:00	3.6	south-southeast	7.4
10:10	3.5	south-southeast	6.5
10:20	3.9	south-southeast	7.6
10:30	3.6	south-southeast	6.8
10:40	3.5	south-southeast	7.5
10:50	3.6	south-southeast	7.2
11:00	3.5	south-southeast	6.5
11:10	3.6	south-southeast	8.2
11:20	3.6	south-southeast	8.0
11:30	3.5	south-southeast	8.6
11:40	3.6	south-southeast	9.2
11:50	3.7	south-southeast	9.3
12:00	3.5	south-southeast	9.0
12:10	3.5	south-southeast	9.1
12:20	3.7	south-southeast	8.1
12:30	3.7	south-southeast	7.1
12:40	3.4	south-southeast	7.5
12:50	3.7	south-southeast	7.4
13:00	3.7	south-southeast	6.8
13:10	3.7	south-southeast	6.5
13:20	3.5	south-southeast	5.4
13:30	3.6	south	6.4
13:40	3.6	south	6.4
13:50	3.6	south	7.2
14:00	3.4	south-southeast	7.0
14:10	3.5	south	8.0
14:20	3.6	south-southeast	6.9
14:30	3.4	south-southeast	7.7
14:40	3.6	south-southeast	7.6
14:50	3.4	south	8.1
15:00	3.5	south-southeast	9.2
15:10	3.7	south-southeast	7.6
15:20	3.7	south-southeast	8.0
15:30	3.4	south-southeast	7.6
15:40	3.6	south-southeast	7.3
15:50	3.5	south-southeast	8.3
16:00	3.7	south-southeast	7.7
16:10	3.7	south-southeast	7.5
16:20	3.6	south-southeast	7.6
16:30	3.5	south-southeast	7.6
16:40	3.7	south-southeast	8.2
16:50	3.4	south-southeast	5.8
17:00	3.6	south	8.4
17:10	3.6	south-southeast	7.4
17:20	3.6	south	7.9
17:30	3.6	south	8.8
17:40	3.5	south	8.0
17:50	3.6	south	7.7
18:00	3.5	south	7.9
18:10	3.7	south	8.4
18:20	3.5	south	7.7
18:30	3.5	south	7.4
18:40	3.5	south	6.4
18:50	3.3	south	6.5
19:00	3.6	south	6.2
19:10	3.6	south	5.4
19:20	3.6	south	5.3
19:30	3.5	south	5.3
19:40	3.6	south	5.0
19:50	3.5	south	5.4
20:00	3.5	south	4.4
20:10	3.6	south	5.2
20:20	3.6	south	5.3
20:30	3.6	south-southeast	4.5
20:40	3.4	south	4.4
20:50	3.6	south-southeast	3.7
21:00	3.5	south	3.4
21:10	3.4	south	3.2
21:20	3.5	south	3.2
21:30	3.4	south	3.3
21:40	3.6	south	3.0
21:50	3.4	south	2.9
22:00	3.5	south-southeast	3.7
22:10	3.6	south-southeast	3.2
22:20	3.6	south	3.6
22:30	3.5	south	4.5
22:40	3.6	south	5.2
22:50	3.7	south	5.1
23:00	3.5	south	5.5
23:10	3.7	south	4.8
23:20	3.5	south	4.7
23:30	3.7	south	5.0
23:40	3.8	south-southwest	5.1
23:50	3.6	south-southwest	4.6