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

○Information

○Measurement value list ： 2026/05/03(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	north	3.8
00:10	3.6	northeast	2.1
00:20	3.6	east-southeast	1.9
00:30	3.6	east-southeast	1.4
00:40	3.7	southeast	3.4
00:50	3.6	south-southeast	3.5
01:00	3.6	south-southeast	3.2
01:10	3.6	south-southeast	2.5
01:20	3.5	south	3.1
01:30	3.6	south	3.3
01:40	3.4	south	3.3
01:50	3.5	south	3.0
02:00	3.5	south-southwest	2.9
02:10	3.6	south	2.4
02:20	3.7	south	2.8
02:30	3.5	south-southeast	2.2
02:40	3.6	south-southeast	2.7
02:50	3.7	south-southeast	4.3
03:00	3.6	south-southeast	5.0
03:10	3.6	south-southeast	5.0
03:20	3.5	south-southeast	5.8
03:30	3.5	south-southeast	5.7
03:40	3.6	south-southeast	6.9
03:50	3.5	south-southeast	6.8
04:00	3.5	south-southeast	6.7
04:10	3.6	south-southeast	6.1
04:20	3.7	south	4.7
04:30	3.6	south	4.0
04:40	3.6	south-southeast	4.0
04:50	3.6	south-southeast	3.7
05:00	3.6	south	4.2
05:10	3.5	south	4.0
05:20	3.6	south	4.0
05:30	3.6	south	3.9
05:40	3.5	south-southwest	3.7
05:50	3.6	south-southwest	3.2
06:00	3.5	south-southwest	3.5
06:10	3.6	south	2.9
06:20	3.6	south	2.4
06:30	3.6	south	2.4
06:40	3.6	south	2.5
06:50	3.5	south-southeast	2.5
07:00	3.6	south-southeast	3.1
07:10	3.8	south-southeast	3.1
07:20	3.5	south-southeast	4.5
07:30	3.5	south-southeast	4.6
07:40	3.6	south-southeast	4.4
07:50	3.5	south	3.6
08:00	3.6	south	2.7
08:10	3.5	south-southeast	2.3
08:20	3.8	south-southeast	2.6
08:30	3.6	southeast	2.1
08:40	3.6	south-southeast	2.8
08:50	3.7	south-southeast	3.2
09:00	3.7	south-southeast	3.7
09:10	3.5	south-southeast	4.0
09:20	3.7	south-southeast	3.8
09:30	3.7	south-southeast	3.7
09:40	3.6	south-southeast	3.7
09:50	3.6	south-southeast	5.8
10:00	3.5	south-southeast	5.4
10:10	3.5	south-southeast	5.4
10:20	3.6	south-southeast	6.1
10:30	3.6	south-southeast	5.7
10:40	3.5	south-southeast	6.3
10:50	3.5	southeast	5.5
11:00	3.7	south-southeast	4.9
11:10	3.7	southeast	7.0
11:20	3.7	southeast	6.7
11:30	3.7	southeast	5.9
11:40	3.5	southeast	5.4
11:50	3.8	southeast	5.3
12:00	3.7	southeast	4.5
12:10	3.7	southeast	4.8
12:20	3.6	southeast	6.0
12:30	3.8	southeast	6.9
12:40	3.6	southeast	5.4
12:50	3.7	southeast	4.6
13:00	3.6	southeast	5.5
13:10	3.5	southeast	5.7
13:20	3.6	southeast	6.7
13:30	3.7	southeast	6.8
13:40	3.6	southeast	6.8
13:50	3.6	southeast	5.9
14:00	3.5	south-southeast	6.1
14:10	3.7	south-southeast	5.8
14:20	3.8	south-southeast	5.8
14:30	3.5	south-southeast	6.8
14:40	3.5	south-southeast	7.3
14:50	3.6	south-southeast	7.2
15:00	3.6	south-southeast	7.2
15:10	3.6	south-southeast	6.3
15:20	3.6	south	6.4
15:30	3.6	south	7.2
15:40	3.6	south	6.8
15:50	3.6	south	7.3
16:00	3.6	south	5.7
16:10	3.6	south	5.1
16:20	3.7	south	4.7
16:30	3.4	south-southeast	5.2
16:40	3.8	south	4.7
16:50	3.5	south-southeast	4.0
17:00	3.6	south	4.0
17:10	3.5	south	3.3
17:20	3.6	south	4.3
17:30	3.6	south-southeast	5.1
17:40	3.5	south-southeast	5.9
17:50	3.6	south-southeast	6.3
18:00	3.6	south-southeast	6.9
18:10	3.6	south-southeast	7.0
18:20	3.6	south-southeast	6.5
18:30	3.6	south-southeast	7.1
18:40	3.6	south-southeast	6.6
18:50	3.8	south-southeast	6.7
19:00	3.5	south	6.8
19:10	3.6	south-southeast	6.0
19:20	3.6	south-southeast	5.0
19:30	3.7	south-southeast	5.9
19:40	3.4	south-southeast	5.5
19:50	3.6	south-southeast	6.8
20:00	3.5	south-southeast	8.0
20:10	3.7	south-southeast	6.9
20:20	3.6	south-southeast	6.0
20:30	3.5	south-southeast	6.7
20:40	3.8	south-southeast	7.3
20:50	3.6	south-southeast	7.4
21:00	3.5	south-southeast	9.1
21:10	3.5	south-southeast	8.4
21:20	3.6	south-southeast	8.2
21:30	3.5	south	8.7
21:40	3.5	south	9.1
21:50	3.6	south	8.5
22:00	3.6	south	8.1
22:10	3.6	south	6.7
22:20	3.5	south	6.1
22:30	3.7	south	7.0
22:40	3.7	south	7.1
22:50	3.6	south	7.5
23:00	3.6	south	6.7
23:10	3.7	south-southeast	7.2
23:20	3.7	south-southeast	7.7
23:30	3.6	south-southeast	7.4
23:40	3.5	south-southeast	7.6
23:50	3.7	south	7.4