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

○Information

○Measurement value list ： 2025/05/09(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	5.4
00:10	3.7	south	4.9
00:20	3.8	south	4.9
00:30	3.5	south	5.4
00:40	3.7	south-southwest	6.6
00:50	3.6	south	7.0
01:00	3.5	south	6.8
01:10	3.6	south	6.6
01:20	3.6	south	5.2
01:30	3.6	south	3.2
01:40	3.6	south	2.1
01:50	3.6	south	3.7
02:00	3.6	south	4.3
02:10	3.7	south	3.7
02:20	3.7	south	3.3
02:30	3.6	south	3.7
02:40	3.5	south	5.1
02:50	3.5	south	5.5
03:00	3.5	south	5.7
03:10	3.6	south	5.5
03:20	3.6	south	5.7
03:30	3.6	south-southeast	5.7
03:40	3.7	south	5.2
03:50	3.5	south	5.9
04:00	3.6	south	6.5
04:10	3.6	south	6.0
04:20	3.6	south	6.0
04:30	3.5	south	6.6
04:40	3.4	south	6.0
04:50	3.6	south	5.7
05:00	3.5	south	4.9
05:10	3.6	south	5.1
05:20	3.6	south	5.9
05:30	3.6	south	5.9
05:40	3.7	south	5.4
05:50	3.8	south	5.5
06:00	3.7	south-southeast	5.5
06:10	3.6	south-southeast	4.4
06:20	3.7	south	4.6
06:30	3.7	south-southeast	3.8
06:40	3.4	south-southeast	4.3
06:50	3.5	south	4.6
07:00	3.5	south-southeast	3.8
07:10	3.6	south	4.0
07:20	3.5	south-southeast	3.5
07:30	3.5	south-southeast	3.0
07:40	3.7	south-southeast	3.2
07:50	3.5	south-southeast	3.0
08:00	3.6	southeast	3.8
08:10	3.6	south-southeast	4.3
08:20	3.5	southeast	4.3
08:30	3.5	south-southeast	5.4
08:40	3.6	south-southeast	5.9
08:50	3.6	south-southeast	5.7
09:00	3.6	south-southeast	5.9
09:10	3.5	south-southeast	6.8
09:20	3.5	south-southeast	7.3
09:30	3.7	south-southeast	7.0
09:40	3.6	south-southeast	8.4
09:50	3.6	south-southeast	7.7
10:00	3.6	south-southeast	7.9
10:10	3.7	southeast	8.4
10:20	3.6	south-southeast	9.3
10:30	3.4	south-southeast	9.8
10:40	3.4	south-southeast	8.2
10:50	3.6	southeast	8.5
11:00	3.6	southeast	9.3
11:10	3.5	south-southeast	8.4
11:20	3.6	south-southeast	7.4
11:30	3.6	south-southeast	8.7
11:40	3.5	south-southeast	7.3
11:50	3.5	south-southeast	9.5
12:00	3.5	south-southeast	9.2
12:10	3.5	south-southeast	9.8
12:20	3.5	south-southeast	10.3
12:30	3.6	south-southeast	9.2
12:40	3.5	south-southeast	9.2
12:50	3.7	south-southeast	9.5
13:00	3.6	south-southeast	10.0
13:10	3.7	south-southeast	10.3
13:20	3.5	south-southeast	10.7
13:30	3.6	south-southeast	10.1
13:40	3.5	south-southeast	10.6
13:50	3.7	south-southeast	10.6
14:00	3.6	south-southeast	8.8
14:10	3.5	south-southeast	9.2
14:20	3.7	south-southeast	9.5
14:30	3.6	south-southeast	8.7
14:40	3.7	south-southeast	9.0
14:50	3.5	south-southeast	7.6
15:00	3.6	south-southeast	8.1
15:10	3.6	south-southeast	7.9
15:20	3.5	south-southeast	8.5
15:30	3.4	south-southeast	8.1
15:40	3.5	south-southeast	8.8
15:50	3.5	south-southeast	8.4
16:00	3.5	south-southeast	8.4
16:10	3.5	south-southeast	8.1
16:20	3.6	south-southeast	8.4
16:30	3.5	south-southeast	7.6
16:40	3.7	south-southeast	7.1
16:50	3.5	south-southeast	7.9
17:00	3.7	south-southeast	6.8
17:10	3.5	south	6.5
17:20	3.6	south	6.6
17:30	3.6	south-southeast	6.5
17:40	3.5	south-southeast	7.0
17:50	3.7	south	7.1
18:00	3.6	south-southeast	6.5
18:10	3.6	south-southeast	7.6
18:20	3.4	south	7.9
18:30	3.6	south	6.0
18:40	3.5	south	8.5
18:50	3.6	south	7.6
19:00	3.5	south	7.3
19:10	3.5	south	6.5
19:20	3.4	south	6.8
19:30	3.6	south	7.0
19:40	3.6	south	8.4
19:50	3.5	south-southeast	8.2
20:00	3.6	south	7.7
20:10	3.7	south-southeast	6.5
20:20	3.6	south	6.2
20:30	3.7	south	7.4
20:40	3.7	south-southeast	7.0
20:50	3.6	south-southeast	7.0
21:00	3.5	south-southeast	7.9
21:10	3.5	south-southeast	7.6
21:20	3.5	south-southeast	7.7
21:30	3.4	south-southeast	7.6
21:40	3.7	south-southeast	7.1
21:50	3.6	south-southeast	7.0
22:00	3.5	south-southeast	7.0
22:10	3.5	south	8.5
22:20	3.6	south	8.7
22:30	3.4	south-southeast	8.4
22:40	3.5	south-southeast	7.3
22:50	3.7	south	7.1
23:00	3.7	south	7.3
23:10	3.7	south	7.6
23:20	3.6	south	9.2
23:30	3.4	south	7.4
23:40	3.6	south	8.5
23:50	3.7	south-southeast	7.7