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

○Information

○Measurement value list ： 2025/04/27(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	3.7	south	5.5
00:10	3.5	south	5.7
00:20	3.6	south	6.2
00:30	3.4	south	5.4
00:40	3.6	south-southeast	5.4
00:50	3.5	south	5.5
01:00	3.8	south	6.0
01:10	3.6	south	5.7
01:20	3.5	south-southwest	4.9
01:30	3.6	south-southwest	3.0
01:40	3.6	south	2.4
01:50	3.5	south-southeast	3.0
02:00	3.5	south-southwest	1.8
02:10	3.6	south	1.8
02:20	3.6	southwest	3.5
02:30	3.7	southwest	3.2
02:40	3.5	southwest	4.9
02:50	3.5	west-southwest	4.4
03:00	3.6	west-southwest	6.5
03:10	3.6	west-southwest	6.8
03:20	3.7	west-southwest	7.3
03:30	3.7	southwest	6.5
03:40	3.6	south-southwest	5.4
03:50	3.5	south-southwest	6.0
04:00	3.6	south-southwest	4.6
04:10	3.5	south-southwest	4.9
04:20	3.6	south-southwest	4.9
04:30	3.6	south-southwest	4.3
04:40	3.5	south-southwest	4.6
04:50	3.5	south-southwest	6.8
05:00	3.6	south-southwest	6.5
05:10	3.7	south-southwest	6.6
05:20	3.5	south-southwest	6.0
05:30	3.4	southwest	6.2
05:40	3.7	southwest	5.7
05:50	3.6	south-southwest	4.0
06:00	3.5	south	5.2
06:10	3.5	south	5.9
06:20	3.7	south-southwest	6.3
06:30	3.7	south-southwest	5.5
06:40	3.6	south	4.8
06:50	3.7	south	5.2
07:00	3.6	south	5.1
07:10	3.6	south	4.9
07:20	3.6	south	4.6
07:30	3.7	south	5.4
07:40	3.7	south	6.5
07:50	3.5	south	6.3
08:00	3.6	south-southeast	6.3
08:10	3.6	south-southeast	6.5
08:20	3.6	south	5.7
08:30	3.7	south	5.4
08:40	3.6	south-southwest	5.4
08:50	3.6	south	5.7
09:00	3.5	south	5.4
09:10	3.6	south-southeast	5.5
09:20	3.7	south	6.5
09:30	3.5	south-southwest	4.9
09:40	3.5	southwest	5.2
09:50	3.4	southwest	6.0
10:00	3.8	south-southeast	3.7
10:10	3.6	south-southwest	4.0
10:20	3.5	south	3.0
10:30	3.6	south	6.0
10:40	3.6	south-southeast	2.1
10:50	3.5	south	3.2
11:00	3.5	south	1.8
11:10	3.7	west-southwest	2.7
11:20	3.6	west-southwest	4.4
11:30	3.4	southwest	7.3
11:40	3.6	south-southwest	4.3
11:50	3.6	southwest	4.9
12:00	3.6	south-southwest	4.1
12:10	3.4	south-southwest	2.5
12:20	3.7	south	1.3
12:30	3.5	southeast	4.9
12:40	3.7	southeast	6.5
12:50	3.7	east-southeast	6.0
13:00	3.7	south-southeast	6.3
13:10	3.5	south	6.0
13:20	3.6	south-southeast	7.4
13:30	3.6	south-southeast	8.7
13:40	3.5	south-southeast	9.3
13:50	3.5	south-southeast	8.8
14:00	3.7	south-southeast	8.2
14:10	3.6	south-southeast	8.4
14:20	3.5	south	8.7
14:30	3.6	south-southeast	8.2
14:40	3.5	south	6.3
14:50	3.3	south-southeast	6.3
15:00	3.5	south	6.8
15:10	3.8	south	6.5
15:20	3.4	south	6.3
15:30	3.6	south-southeast	5.7
15:40	3.7	south	7.1
15:50	3.6	south-southeast	7.6
16:00	3.5	south-southeast	7.0
16:10	3.6	south-southeast	6.8
16:20	3.6	south	7.1
16:30	3.5	south	7.3
16:40	3.5	south	7.7
16:50	3.6	south-southeast	7.6
17:00	3.8	south	8.2
17:10	3.6	south	8.1
17:20	3.8	south	7.6
17:30	3.5	south	7.1
17:40	3.5	south	7.7
17:50	3.5	south-southeast	6.2
18:00	3.6	south	6.3
18:10	3.5	south	5.7
18:20	3.6	south	6.3
18:30	3.6	south-southwest	6.5
18:40	3.7	southwest	5.1
18:50	3.6	west-southwest	8.4
19:00	3.5	west	7.7
19:10	3.5	west	5.2
19:20	3.8	west-southwest	3.0
19:30	3.5	west-southwest	0.7
19:40	3.6	south-southwest	1.6
19:50	3.6	south	3.7
20:00	3.5	south-southeast	4.0
20:10	3.7	south	2.9
20:20	3.4	south-southeast	2.1
20:30	3.7	south-southwest	1.6
20:40	3.6	south	0.8
20:50	3.7	south-southeast	1.8
21:00	3.6	east-southeast	1.9
21:10	3.4	southeast	2.4
21:20	3.6	south-southeast	2.4
21:30	3.6	south-southeast	2.7
21:40	3.6	south-southeast	4.1
21:50	3.8	south-southeast	3.8
22:00	3.5	south-southeast	2.5
22:10	3.6	south-southeast	1.6
22:20	3.4	south-southwest	2.1
22:30	3.7	south-southeast	1.3
22:40	3.6	south-southeast	1.6
22:50	3.6	southeast	1.0
23:00	3.6	southeast	1.8
23:10	3.4	south-southeast	2.2
23:20	3.5	south-southeast	1.9
23:30	3.5	south	1.3
23:40	3.5	south-southeast	2.7
23:50	3.6	south-southeast	2.7