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

○Information

○Measurement value list ： 2025/06/09(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	3.5	north	1.2
00:10	3.7	north	1.3
00:20	3.5	north	1.6
00:30	3.6	north-northwest	2.4
00:40	3.5	north-northwest	2.5
00:50	3.5	north-northwest	2.4
01:00	3.6	north-northwest	2.2
01:10	3.6	north-northwest	1.8
01:20	3.6	north-northwest	1.9
01:30	3.6	north-northwest	1.6
01:40	3.6	north-northwest	1.8
01:50	3.5	north-northwest	2.2
02:00	3.5	northwest	2.4
02:10	3.6	north-northwest	2.4
02:20	3.7	north-northwest	2.3
02:30	3.5	north	2.3
02:40	3.5	west-northwest	3.1
02:50	3.7	west-northwest	3.5
03:00	3.7	northwest	2.4
03:10	3.6	west-northwest	1.9
03:20	3.5	southwest	1.3
03:30	3.6	south-southwest	2.0
03:40	3.5	south-southwest	1.5
03:50	3.6	south-southwest	1.7
04:00	3.6	south-southwest	2.0
04:10	3.7	south-southwest	1.7
04:20	3.6	southwest	2.1
04:30	3.5	southwest	2.1
04:40	3.6	west-southwest	1.4
04:50	3.6	-	CALM
05:00	3.4	west-northwest	0.8
05:10	3.5	north	1.3
05:20	3.6	north	1.2
05:30	3.5	north	1.2
05:40	3.6	northeast	1.4
05:50	3.5	north	1.7
06:00	3.7	north	1.7
06:10	3.6	north	2.3
06:20	3.5	north	2.7
06:30	3.6	north	1.8
06:40	3.6	north-northeast	1.5
06:50	3.6	north-northeast	2.0
07:00	3.5	north	2.1
07:10	3.6	north-northeast	2.8
07:20	3.4	north-northeast	2.7
07:30	3.5	north-northeast	2.3
07:40	3.5	north-northeast	2.6
07:50	3.5	north-northeast	2.4
08:00	3.5	north-northeast	2.2
08:10	3.7	north-northeast	2.1
08:20	3.6	north-northeast	2.3
08:30	3.6	north-northeast	2.1
08:40	3.7	northeast	3.0
08:50	3.6	northeast	2.7
09:00	3.5	north-northeast	2.7
09:10	3.7	east-northeast	2.8
09:20	3.5	east-northeast	2.2
09:30	3.5	east-northeast	2.7
09:40	3.6	east-northeast	2.1
09:50	3.5	east-northeast	2.5
10:00	3.6	east	2.2
10:10	3.6	east	2.9
10:20	3.4	east	2.8
10:30	3.5	east-southeast	3.0
10:40	3.6	east	3.1
10:50	3.4	east	3.0
11:00	3.5	east	2.7
11:10	3.6	east-southeast	2.4
11:20	3.7	east-southeast	1.8
11:30	3.6	east	2.1
11:40	3.6	east	2.5
11:50	3.6	east	3.1
12:00	3.5	east-southeast	2.5
12:10	3.5	east-southeast	3.0
12:20	3.5	east-southeast	3.9
12:30	3.7	southeast	3.6
12:40	3.4	southeast	4.4
12:50	3.5	southeast	4.5
13:00	3.5	southeast	4.6
13:10	3.7	southeast	5.3
13:20	3.6	southeast	5.8
13:30	3.4	southeast	5.6
13:40	3.7	southeast	5.1
13:50	3.6	southeast	3.9
14:00	3.8	south-southeast	3.8
14:10	3.7	southeast	3.9
14:20	3.6	south-southeast	5.8
14:30	3.8	south-southeast	6.6
14:40	3.5	south-southeast	5.4
14:50	3.6	south-southeast	6.5
15:00	3.5	south-southeast	6.4
15:10	3.4	south-southeast	7.0
15:20	3.6	south-southeast	6.8
15:30	3.6	south-southeast	6.9
15:40	3.5	south-southeast	6.8
15:50	3.7	south-southeast	7.6
16:00	3.5	south-southeast	7.4
16:10	3.6	south-southeast	7.4
16:20	3.6	south-southeast	7.8
16:30	3.6	south-southeast	7.7
16:40	3.7	south-southeast	7.3
16:50	3.6	south-southeast	6.2
17:00	3.6	south-southeast	6.4
17:10	3.5	south-southeast	6.6
17:20	3.6	south-southeast	7.2
17:30	3.7	south-southeast	6.5
17:40	3.6	south-southeast	7.0
17:50	3.6	south-southeast	6.9
18:00	3.6	south	6.8
18:10	3.6	south	6.7
18:20	3.7	south	6.9
18:30	3.5	south	7.0
18:40	3.6	south	6.5
18:50	3.5	south-southeast	6.1
19:00	3.6	south-southeast	6.1
19:10	3.6	south-southeast	5.7
19:20	3.6	south	5.5
19:30	3.5	south-southeast	5.3
19:40	3.5	south	6.0
19:50	3.6	south	5.5
20:00	3.7	south	5.8
20:10	3.7	south	5.6
20:20	3.7	south	4.7
20:30	3.6	south	4.8
20:40	3.7	south	3.8
20:50	3.6	south	3.6
21:00	3.5	south	3.0
21:10	3.6	south-southeast	2.5
21:20	3.6	south-southeast	4.3
21:30	3.6	south-southeast	4.8
21:40	3.6	south-southeast	6.7
21:50	3.5	south-southeast	8.2
22:00	3.5	south-southeast	7.5
22:10	3.4	south-southeast	7.6
22:20	3.5	south-southeast	6.2
22:30	3.8	south	5.9
22:40	3.5	south	7.0
22:50	3.6	south	6.4
23:00	3.6	south	6.5
23:10	3.5	south	5.7
23:20	3.5	south-southeast	5.5
23:30	3.6	south-southeast	5.4
23:40	3.6	south	5.5
23:50	3.5	south-southeast	5.9