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

○Information

○Measurement value list ： 2026/04/04(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	3.8	south-southwest	3.8
00:10	3.5	south	2.8
00:20	3.7	south	3.6
00:30	3.7	south	3.2
00:40	3.6	south	2.8
00:50	3.6	south-southeast	3.1
01:00	3.5	south-southeast	2.8
01:10	3.6	south	3.2
01:20	3.5	south	4.1
01:30	3.6	south	4.2
01:40	3.8	south-southeast	4.7
01:50	3.7	south-southeast	4.6
02:00	3.5	south	4.5
02:10	3.7	south	4.1
02:20	3.5	south	3.3
02:30	3.6	south	3.2
02:40	3.7	south-southeast	2.6
02:50	3.7	east-southeast	4.0
03:00	3.6	southeast	3.9
03:10	3.6	southeast	3.7
03:20	3.7	south-southeast	3.4
03:30	3.7	southeast	3.1
03:40	3.5	southeast	3.0
03:50	3.6	south-southeast	2.5
04:00	3.5	south-southeast	2.1
04:10	3.5	south-southeast	1.9
04:20	3.6	south-southeast	2.1
04:30	3.6	south	2.7
04:40	3.7	south	3.7
04:50	3.8	south	5.9
05:00	3.7	south	7.1
05:10	3.4	south	7.4
05:20	3.6	south	7.1
05:30	3.6	south	6.0
05:40	3.8	south	6.8
05:50	3.8	south	6.0
06:00	3.7	south	6.0
06:10	3.7	south	7.3
06:20	3.7	south	7.1
06:30	3.6	south-southeast	7.1
06:40	3.5	south-southeast	7.6
06:50	3.5	south-southeast	6.4
07:00	3.7	south-southeast	6.7
07:10	3.7	south-southeast	8.2
07:20	3.7	southeast	8.2
07:30	3.7	southeast	7.8
07:40	3.6	southeast	6.6
07:50	3.5	south-southeast	5.8
08:00	3.6	south-southeast	5.6
08:10	3.6	south	6.8
08:20	3.7	south	7.3
08:30	3.7	south	6.7
08:40	3.6	south-southeast	6.5
08:50	3.7	south-southeast	8.4
09:00	3.6	south-southeast	8.1
09:10	3.5	south-southeast	8.5
09:20	3.6	south-southeast	7.9
09:30	3.6	south-southeast	7.9
09:40	3.7	south	8.1
09:50	3.7	south	8.4
10:00	3.7	south	8.5
10:10	3.5	south	7.8
10:20	3.6	south-southeast	8.6
10:30	3.6	south-southeast	8.2
10:40	3.6	south	8.1
10:50	3.7	south	8.7
11:00	3.6	south	7.3
11:10	3.6	south	5.6
11:20	3.6	south	5.9
11:30	3.6	south-southeast	5.7
11:40	3.7	south	4.7
11:50	3.5	south	5.2
12:00	3.6	south	5.3
12:10	3.7	south	6.1
12:20	3.7	south-southwest	7.9
12:30	3.8	south	9.5
12:40	3.6	south	9.6
12:50	3.7	south	8.7
13:00	3.7	south-southeast	7.2
13:10	3.4	south	8.0
13:20	3.7	south	7.2
13:30	3.7	south	7.7
13:40	3.6	south	6.1
13:50	3.9	south-southeast	6.9
14:00	3.7	south-southeast	7.1
14:10	3.7	south	7.3
14:20	3.6	south-southeast	5.2
14:30	3.9	south	4.7
14:40	3.6	south-southeast	5.1
14:50	3.6	south-southeast	5.5
15:00	3.6	south-southeast	7.0
15:10	3.6	south-southeast	7.4
15:20	3.5	south-southeast	6.8
15:30	3.6	south-southeast	7.3
15:40	3.6	south-southeast	7.7
15:50	3.7	south-southeast	8.2
16:00	3.5	south	9.3
16:10	3.7	south-southeast	8.4
16:20	3.7	south-southeast	8.2
16:30	3.8	south-southeast	10.2
16:40	3.6	south-southeast	9.1
16:50	3.7	south-southeast	7.4
17:00	3.6	south-southeast	8.1
17:10	3.6	south-southeast	8.8
17:20	3.5	south-southeast	8.3
17:30	3.6	south	8.8
17:40	3.6	south	9.8
17:50	3.7	south-southeast	9.6
18:00	3.7	south	10.0
18:10	3.6	south-southeast	10.2
18:20	3.5	south-southeast	10.1
18:30	3.6	south-southeast	11.0
18:40	3.6	south-southeast	10.8
18:50	3.8	south	11.2
19:00	3.5	south	11.1
19:10	3.7	south-southeast	10.2
19:20	3.6	south-southeast	9.2
19:30	3.8	south-southeast	9.7
19:40	3.7	south	10.9
19:50	3.7	south	12.0
20:00	3.6	south-southeast	9.7
20:10	3.6	south	10.8
20:20	3.6	south-southeast	9.8
20:30	3.8	south	11.3
20:40	3.4	south	12.9
20:50	3.6	south	10.9
21:00	3.7	south	10.4
21:10	3.8	south	12.0
21:20	3.6	south	11.6
21:30	3.5	south	10.9
21:40	3.7	south	9.2
21:50	3.7	south	12.5
22:00	3.7	south	10.8
22:10	3.5	south	8.3
22:20	3.6	south	9.0
22:30	3.5	south	7.8
22:40	3.6	south	12.5
22:50	3.6	south-southeast	13.8
23:00	3.7	south	14.5
23:10	3.6	south	11.4
23:20	3.7	south	12.6
23:30	3.5	south	10.8
23:40	3.6	south-southeast	9.9
23:50	3.7	south-southeast	10.1