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

○Information

○Measurement value list ： 2025/05/29(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	3.6	south-southwest	1.3
00:10	3.6	south-southwest	1.3
00:20	3.5	southwest	1.3
00:30	3.5	southwest	1.4
00:40	3.6	south-southwest	1.0
00:50	3.6	south-southwest	0.7
01:00	3.7	southwest	0.7
01:10	3.5	-	CALM
01:20	3.6	-	CALM
01:30	3.6	-	CALM
01:40	3.6	south-southwest	0.7
01:50	3.4	south-southwest	1.0
02:00	3.4	south-southeast	0.5
02:10	3.5	south-southwest	1.0
02:20	3.4	south-southwest	1.1
02:30	3.7	south-southwest	1.1
02:40	3.4	south	0.7
02:50	3.5	south-southwest	1.0
03:00	3.6	south-southwest	0.5
03:10	3.6	-	CALM
03:20	3.6	south	0.5
03:30	3.7	south-southwest	1.0
03:40	3.6	south	0.7
03:50	3.6	-	CALM
04:00	3.5	south-southwest	1.0
04:10	3.5	south	1.3
04:20	3.5	south	1.4
04:30	3.5	south-southeast	2.1
04:40	3.6	south-southeast	2.7
04:50	3.7	south-southeast	2.6
05:00	3.5	south	3.0
05:10	3.7	south-southeast	2.5
05:20	3.7	south-southeast	2.3
05:30	3.5	south-southeast	1.8
05:40	3.5	south	1.8
05:50	3.6	south-southeast	0.8
06:00	3.6	-	CALM
06:10	3.6	south-southeast	0.7
06:20	3.6	south-southeast	1.0
06:30	3.6	east-southeast	1.0
06:40	3.6	southeast	0.7
06:50	3.6	southeast	1.1
07:00	3.5	southeast	1.3
07:10	3.5	southeast	1.8
07:20	3.6	southeast	1.6
07:30	3.6	southeast	1.5
07:40	3.6	southeast	1.9
07:50	3.6	southeast	1.6
08:00	3.6	south-southeast	1.8
08:10	3.5	southeast	1.8
08:20	3.6	east-southeast	1.9
08:30	3.5	east-southeast	2.7
08:40	3.6	southeast	3.0
08:50	3.6	southeast	3.3
09:00	3.6	south-southeast	2.9
09:10	3.7	southeast	2.7
09:20	3.6	southeast	2.7
09:30	3.8	southeast	2.7
09:40	3.6	southeast	2.9
09:50	3.7	southeast	3.3
10:00	3.6	southeast	3.3
10:10	3.7	southeast	3.3
10:20	3.5	southeast	3.5
10:30	3.5	southeast	3.7
10:40	3.5	southeast	4.9
10:50	3.5	southeast	5.1
11:00	3.6	southeast	4.8
11:10	3.7	southeast	4.8
11:20	3.6	southeast	4.5
11:30	3.8	southeast	4.4
11:40	3.6	southeast	5.7
11:50	3.6	southeast	5.2
12:00	3.7	east-southeast	5.2
12:10	3.6	southeast	4.8
12:20	3.6	southeast	4.4
12:30	3.6	southeast	4.0
12:40	3.5	southeast	4.5
12:50	3.6	southeast	5.2
13:00	3.5	southeast	4.9
13:10	3.5	southeast	5.1
13:20	3.6	southeast	4.5
13:30	3.5	southeast	4.8
13:40	3.6	southeast	4.4
13:50	3.6	southeast	4.8
14:00	3.6	southeast	4.5
14:10	3.7	south-southeast	4.6
14:20	3.5	south-southeast	3.5
14:30	3.6	south-southeast	4.9
14:40	3.6	southeast	4.1
14:50	3.8	south-southeast	5.2
15:00	3.5	south-southeast	5.1
15:10	3.5	southeast	4.6
15:20	3.5	south-southeast	4.4
15:30	3.5	south-southeast	3.5
15:40	3.6	southeast	4.0
15:50	3.5	southeast	4.0
16:00	3.4	southeast	3.8
16:10	3.7	southeast	5.1
16:20	3.5	southeast	5.1
16:30	3.4	south-southeast	3.8
16:40	3.5	south-southeast	5.5
16:50	3.5	south-southeast	5.4
17:00	3.5	south-southeast	4.6
17:10	3.6	southeast	4.3
17:20	3.6	south-southeast	4.3
17:30	3.7	south-southeast	4.8
17:40	3.6	south-southeast	3.8
17:50	3.7	south-southeast	4.5
18:00	3.4	south-southeast	3.7
18:10	3.4	south-southeast	3.0
18:20	3.6	south-southeast	2.5
18:30	3.7	south-southeast	3.2
18:40	3.7	south-southeast	4.0
18:50	3.6	south-southeast	4.3
19:00	3.4	south-southeast	3.8
19:10	3.7	south	4.3
19:20	3.8	south-southeast	4.0
19:30	3.6	south	4.4
19:40	3.8	south-southeast	4.6
19:50	3.6	south-southeast	4.0
20:00	3.7	south-southeast	3.7
20:10	3.5	south-southeast	4.4
20:20	3.6	south-southeast	4.6
20:30	3.6	south-southeast	4.3
20:40	3.7	south-southeast	4.0
20:50	3.4	south-southeast	3.5
21:00	3.7	south-southeast	4.3
21:10	3.6	south	4.4
21:20	3.6	south-southeast	4.6
21:30	3.7	south-southeast	4.5
21:40	3.7	south-southeast	4.3
21:50	3.6	south-southeast	4.8
22:00	3.6	south-southeast	4.9
22:10	3.6	south	4.8
22:20	3.8	south	4.8
22:30	3.4	south-southeast	5.2
22:40	3.5	south	5.2
22:50	3.6	south	4.8
23:00	3.5	south-southeast	5.1
23:10	3.6	south-southeast	5.4
23:20	3.6	south	5.5
23:30	3.6	south-southeast	4.8
23:40	3.5	south-southeast	5.2
23:50	3.7	south-southeast	5.2