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

○Information

○Measurement value list ： 2026/07/09(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	south-southwest	3.5
00:10	3.4	south	3.5
00:20	3.5	south	3.3
00:30	3.6	south	3.6
00:40	3.6	south	3.9
00:50	3.5	south-southwest	4.1
01:00	3.6	south-southwest	4.0
01:10	3.5	south-southwest	3.8
01:20	3.5	south-southwest	3.9
01:30	3.6	south-southwest	2.6
01:40	3.6	south	2.7
01:50	3.5	south	3.9
02:00	3.6	south	4.5
02:10	3.7	south	4.0
02:20	3.5	south	3.5
02:30	3.5	south	4.5
02:40	3.6	south	4.8
02:50	3.6	south-southwest	4.2
03:00	3.6	south-southwest	4.4
03:10	3.6	south-southwest	2.7
03:20	3.5	southwest	3.0
03:30	3.5	southwest	2.8
03:40	3.6	southwest	2.6
03:50	3.4	west-southwest	2.2
04:00	3.5	west	1.3
04:10	3.5	northwest	1.1
04:20	3.4	north-northwest	0.9
04:30	3.5	east-northeast	1.1
04:40	3.7	northeast	1.5
04:50	3.5	north-northeast	1.0
05:00	3.8	north	1.6
05:10	3.6	north	1.8
05:20	3.7	north-northwest	2.4
05:30	3.5	north-northwest	2.3
05:40	3.7	north-northwest	2.4
05:50	3.5	north-northeast	2.1
06:00	3.6	north-northeast	1.7
06:10	3.5	north-northeast	1.3
06:20	3.5	north	1.2
06:30	3.6	north-northwest	0.7
06:40	3.5	north	1.4
06:50	3.6	north	1.3
07:00	3.6	north-northeast	1.2
07:10	3.7	-	CALM
07:20	3.7	east-northeast	1.7
07:30	3.4	east-northeast	1.4
07:40	3.8	northeast	1.5
07:50	3.5	northeast	2.2
08:00	3.5	east-northeast	2.3
08:10	3.7	east-northeast	2.0
08:20	3.5	northeast	2.2
08:30	3.4	northeast	2.5
08:40	3.6	northeast	2.2
08:50	3.8	east-northeast	2.4
09:00	3.6	east-northeast	2.4
09:10	3.5	east	2.5
09:20	3.7	east-northeast	2.7
09:30	3.7	east-northeast	3.4
09:40	3.7	east-southeast	2.4
09:50	3.7	east-southeast	2.4
10:00	3.6	east-southeast	2.1
10:10	3.6	east-southeast	2.3
10:20	3.6	east	3.1
10:30	3.7	east	3.0
10:40	3.4	east-southeast	3.2
10:50	3.6	southeast	4.3
11:00	3.5	south-southeast	4.0
11:10	3.6	south-southeast	4.0
11:20	3.5	southeast	4.2
11:30	3.6	southeast	4.5
11:40	3.5	south-southeast	5.0
11:50	3.7	southeast	4.4
12:00	3.5	southeast	4.0
12:10	3.6	southeast	4.7
12:20	3.6	south-southeast	4.7
12:30	3.6	southeast	3.9
12:40	3.7	southeast	4.4
12:50	3.5	southeast	5.1
13:00	3.6	south-southeast	4.7
13:10	3.5	south	5.7
13:20	3.6	south-southeast	5.6
13:30	3.6	southeast	5.4
13:40	3.5	south-southeast	5.7
13:50	3.4	south	7.2
14:00	3.6	south-southeast	5.3
14:10	3.6	south-southeast	4.9
14:20	3.4	south-southeast	5.4
14:30	3.6	south-southeast	5.9
14:40	3.5	south	6.6
14:50	3.5	south-southeast	6.5
15:00	3.5	south-southeast	6.2
15:10	3.5	south-southeast	7.3
15:20	3.5	south-southeast	7.5
15:30	3.5	south-southeast	7.5
15:40	3.6	south-southeast	7.4
15:50	3.7	south-southeast	6.9
16:00	3.6	south-southeast	6.9
16:10	3.6	south-southeast	7.9
16:20	3.7	south-southeast	8.4
16:30	3.6	south-southeast	7.1
16:40	3.6	south-southeast	7.6
16:50	3.5	south-southeast	8.4
17:00	3.7	south-southeast	6.7
17:10	3.6	south-southeast	7.3
17:20	3.5	south-southeast	7.6
17:30	3.6	south-southeast	7.5
17:40	3.6	south-southeast	6.0
17:50	3.6	south-southeast	5.3
18:00	3.6	south	6.4
18:10	3.6	south-southeast	6.1
18:20	3.7	south-southeast	5.4
18:30	3.5	south-southeast	5.6
18:40	3.4	south-southeast	5.2
18:50	3.4	south-southeast	5.3
19:00	3.6	south-southeast	5.0
19:10	3.6	south	5.0
19:20	3.6	south	4.6
19:30	3.6	south-southeast	4.7
19:40	3.7	south	4.9
19:50	3.5	south	4.9
20:00	3.6	south-southeast	4.1
20:10	3.6	south	4.0
20:20	3.5	south	4.7
20:30	3.6	south	4.4
20:40	3.6	south	4.1
20:50	3.6	south	3.9
21:00	3.5	south	3.6
21:10	3.6	south	4.8
21:20	3.4	south	4.8
21:30	3.5	south	4.0
21:40	3.5	south	3.3
21:50	3.6	south	3.8
22:00	3.5	south	3.8
22:10	3.6	south	3.7
22:20	3.4	south	4.2
22:30	3.5	south	4.3
22:40	3.6	south	4.4
22:50	3.4	south	4.9
23:00	3.5	south	4.1
23:10	3.6	south-southwest	3.7
23:20	3.4	south-southwest	3.4
23:30	3.6	south	3.6
23:40	3.6	south-southwest	3.3
23:50	3.6	south-southwest	3.7