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

○Information

○Measurement value list ： 2025/07/04(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	3.6	south-southeast	4.7
00:10	3.6	south-southeast	5.2
00:20	3.8	south-southeast	4.6
00:30	3.6	south-southeast	3.9
00:40	3.5	south	2.6
00:50	3.5	south-southeast	3.0
01:00	3.4	south	3.3
01:10	3.8	south	3.6
01:20	3.6	south	4.0
01:30	3.5	south	3.5
01:40	3.5	south	3.3
01:50	3.6	south	3.5
02:00	3.8	south	3.4
02:10	3.5	south-southwest	2.9
02:20	3.5	south-southwest	3.3
02:30	3.7	southwest	2.8
02:40	3.5	south-southwest	3.5
02:50	3.6	south-southwest	4.1
03:00	3.6	south	3.7
03:10	3.7	south	3.4
03:20	3.6	south-southwest	3.0
03:30	3.7	south	3.6
03:40	3.5	south	3.4
03:50	3.6	south	2.2
04:00	3.5	south	4.1
04:10	3.6	south	5.2
04:20	3.6	south	4.0
04:30	3.7	south	3.7
04:40	3.7	south-southwest	4.3
04:50	3.5	south	4.5
05:00	3.5	south	4.2
05:10	3.4	south	4.3
05:20	3.7	south-southwest	4.6
05:30	3.5	south-southwest	4.5
05:40	3.5	south	4.2
05:50	3.6	south	3.9
06:00	3.8	south	3.2
06:10	3.5	south	3.8
06:20	3.6	south	4.5
06:30	3.6	south	3.1
06:40	3.5	south	2.1
06:50	3.6	south	1.9
07:00	3.5	south-southeast	3.0
07:10	3.3	south-southeast	3.8
07:20	3.5	south-southeast	3.7
07:30	3.5	south-southeast	3.3
07:40	3.5	south-southeast	3.4
07:50	3.5	south-southeast	3.7
08:00	3.6	south-southeast	3.7
08:10	3.5	south-southeast	3.9
08:20	3.5	south	3.7
08:30	3.6	south-southeast	3.6
08:40	3.4	south-southeast	4.2
08:50	3.7	south-southeast	3.9
09:00	3.6	south-southeast	4.9
09:10	3.6	south-southeast	4.6
09:20	3.7	south-southeast	5.1
09:30	3.6	south-southeast	5.6
09:40	3.7	south-southeast	5.8
09:50	3.6	south-southeast	5.9
10:00	3.6	south-southeast	5.6
10:10	3.6	south-southeast	5.7
10:20	3.5	south-southeast	5.2
10:30	3.6	south-southeast	5.1
10:40	3.6	south-southeast	5.5
10:50	3.5	south-southeast	6.1
11:00	3.6	south-southeast	6.6
11:10	3.6	south-southeast	7.5
11:20	3.6	south-southeast	7.3
11:30	3.5	south-southeast	6.3
11:40	3.8	south-southeast	8.2
11:50	3.5	southeast	7.8
12:00	3.5	south-southeast	7.4
12:10	3.6	south-southeast	6.6
12:20	3.6	south-southeast	5.7
12:30	3.6	south-southeast	7.4
12:40	3.4	south-southeast	6.6
12:50	3.5	south-southeast	6.2
13:00	3.5	south-southeast	6.2
13:10	3.5	south-southeast	7.0
13:20	3.5	south-southeast	5.8
13:30	3.6	south-southeast	7.6
13:40	3.6	south-southeast	6.9
13:50	3.6	south-southeast	8.0
14:00	3.5	south-southeast	6.7
14:10	3.4	south-southeast	7.2
14:20	3.5	south-southeast	8.1
14:30	3.5	south-southeast	7.0
14:40	3.6	south-southeast	7.5
14:50	3.5	south-southeast	8.0
15:00	3.3	south-southeast	7.7
15:10	3.6	south	7.1
15:20	3.5	south-southeast	6.8
15:30	3.5	south	6.4
15:40	3.5	south-southeast	6.6
15:50	3.6	south	6.5
16:00	3.5	south	6.6
16:10	3.5	south	6.0
16:20	3.6	southwest	3.2
16:30	3.5	north-northwest	5.6
16:40	3.6	northwest	6.2
16:50	3.5	north-northwest	10.8
17:00	3.6	northwest	4.7
17:10	3.6	northwest	3.1
17:20	3.6	west-northwest	1.5
17:30	3.6	-	CALM
17:40	3.5	east-southeast	2.9
17:50	3.6	east-southeast	4.1
18:00	3.6	east-southeast	4.5
18:10	3.6	southeast	3.6
18:20	3.6	south-southeast	3.0
18:30	3.4	south	3.5
18:40	3.5	south	4.3
18:50	3.5	south	4.4
19:00	3.5	south	4.6
19:10	3.4	south	5.7
19:20	3.5	south	5.9
19:30	3.6	south	6.4
19:40	3.6	south	5.7
19:50	3.5	south	5.3
20:00	3.4	south-southwest	4.8
20:10	3.6	south	4.8
20:20	3.7	south	4.4
20:30	3.5	south	3.8
20:40	3.4	south-southwest	3.3
20:50	3.6	south	3.3
21:00	3.6	south-southwest	3.1
21:10	3.6	southwest	2.9
21:20	3.5	southwest	2.7
21:30	3.6	south-southwest	2.1
21:40	3.4	south-southwest	2.1
21:50	3.5	south-southwest	1.6
22:00	3.6	south-southwest	2.6
22:10	3.4	south-southwest	3.4
22:20	3.5	south-southwest	3.4
22:30	3.6	southwest	3.2
22:40	3.6	south-southwest	2.9
22:50	3.5	south-southwest	2.4
23:00	3.6	south-southwest	2.6
23:10	3.5	south-southwest	3.1
23:20	3.5	south-southwest	2.7
23:30	3.4	south-southwest	2.8
23:40	3.6	south-southwest	3.6
23:50	3.6	south-southwest	3.5