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

○Information

○Measurement value list ： 2025/10/05(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	-	CALM
00:10	3.6	southeast	0.7
00:20	3.5	-	CALM
00:30	3.7	south-southeast	0.7
00:40	3.6	south-southeast	1.1
00:50	3.5	south-southeast	2.6
01:00	3.6	south-southeast	2.2
01:10	3.6	east	0.9
01:20	3.7	southeast	1.2
01:30	3.6	south	1.0
01:40	3.6	south-southwest	1.1
01:50	3.6	south-southeast	1.6
02:00	3.6	south-southeast	1.8
02:10	3.5	south-southeast	2.8
02:20	3.6	south	2.9
02:30	3.7	south	3.5
02:40	3.4	south	3.2
02:50	3.7	south	3.3
03:00	3.6	south-southwest	3.1
03:10	3.5	south	3.3
03:20	3.6	south	3.4
03:30	3.7	south-southeast	3.8
03:40	3.5	south-southeast	4.8
03:50	3.5	south-southeast	5.0
04:00	3.7	south-southeast	3.9
04:10	3.8	south-southeast	1.9
04:20	3.6	south	1.4
04:30	3.6	south-southwest	1.9
04:40	3.6	south	1.9
04:50	3.8	south	1.7
05:00	3.7	south-southwest	2.1
05:10	3.7	south	2.0
05:20	3.5	south-southeast	2.9
05:30	3.5	south-southeast	2.5
05:40	3.7	south-southeast	2.4
05:50	3.7	south-southeast	3.3
06:00	3.6	south-southeast	3.5
06:10	3.7	south	3.5
06:20	3.6	south	3.3
06:30	3.6	south-southwest	3.0
06:40	3.6	south-southwest	2.2
06:50	3.5	south-southwest	1.6
07:00	3.7	south-southwest	1.8
07:10	3.6	west-southwest	0.8
07:20	3.6	south-southwest	1.9
07:30	3.4	south-southwest	2.0
07:40	3.6	south	2.1
07:50	3.5	south-southeast	2.7
08:00	3.6	south	3.7
08:10	3.5	south	4.3
08:20	3.7	south	4.6
08:30	3.6	south	4.8
08:40	3.6	south	4.0
08:50	3.6	south	4.0
09:00	3.4	south-southwest	2.9
09:10	3.6	south-southeast	2.2
09:20	3.6	south	2.6
09:30	3.8	south	3.4
09:40	3.5	south	4.0
09:50	3.5	south-southeast	3.6
10:00	3.8	southeast	2.8
10:10	3.6	southeast	3.3
10:20	3.5	southeast	3.0
10:30	3.5	southeast	3.7
10:40	3.5	south-southeast	3.9
10:50	3.7	southeast	4.5
11:00	3.7	southeast	3.7
11:10	3.6	southeast	3.3
11:20	3.6	south-southeast	4.4
11:30	3.5	southeast	2.9
11:40	3.5	southeast	3.4
11:50	3.4	south-southeast	4.2
12:00	3.7	south-southeast	3.9
12:10	3.7	southeast	3.6
12:20	3.6	south-southeast	5.5
12:30	3.6	southeast	5.7
12:40	3.5	southeast	3.9
12:50	3.7	southeast	4.7
13:00	3.5	southeast	4.5
13:10	3.5	southeast	5.3
13:20	3.6	south-southeast	5.2
13:30	3.5	southeast	5.1
13:40	3.5	south-southeast	4.5
13:50	3.5	southeast	5.0
14:00	3.6	southeast	5.8
14:10	3.7	south-southeast	7.0
14:20	3.6	south-southeast	6.7
14:30	3.7	south-southeast	6.6
14:40	3.6	south-southeast	7.1
14:50	3.7	south-southeast	6.6
15:00	3.6	south-southeast	5.1
15:10	3.5	south-southeast	4.9
15:20	3.5	south-southeast	4.0
15:30	3.6	south-southeast	5.3
15:40	3.5	south-southeast	4.6
15:50	3.4	south-southeast	5.2
16:00	3.5	south	5.3
16:10	3.5	south-southeast	4.7
16:20	3.6	south-southeast	4.6
16:30	3.8	south-southeast	6.0
16:40	3.6	south-southeast	5.8
16:50	3.6	south-southeast	4.9
17:00	3.5	south	5.5
17:10	3.5	south	4.8
17:20	3.7	south-southeast	4.4
17:30	3.5	south-southeast	3.9
17:40	3.6	south	3.9
17:50	3.6	south	4.1
18:00	3.5	south	3.3
18:10	3.6	south	3.4
18:20	3.6	south	2.9
18:30	3.5	south-southwest	1.9
18:40	3.5	-	-
18:50	3.5	-	CALM
19:00	3.5	south-southeast	1.8
19:10	3.6	south	1.2
19:20	3.7	south-southeast	3.1
19:30	3.7	south-southeast	3.5
19:40	3.7	south	3.1
19:50	3.6	south-southwest	2.7
20:00	3.7	south-southwest	2.5
20:10	3.5	south	3.1
20:20	3.6	south-southeast	2.7
20:30	3.7	south	3.2
20:40	3.7	south	2.9
20:50	3.6	south	2.6
21:00	3.7	south-southeast	3.5
21:10	3.8	south	2.8
21:20	3.8	south	4.8
21:30	3.4	south	4.5
21:40	3.6	south	4.7
21:50	3.5	south	4.8
22:00	3.4	south	4.4
22:10	3.5	south	2.8
22:20	3.6	south	2.5
22:30	3.4	south-southwest	2.8
22:40	3.7	south-southwest	2.7
22:50	3.6	south-southwest	1.5
23:00	3.7	southwest	1.2
23:10	3.6	south-southwest	2.2
23:20	3.6	south-southwest	1.7
23:30	3.5	south-southwest	2.4
23:40	3.6	south	1.8
23:50	3.5	south-southeast	1.8