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

○Information

○Measurement value list ： 2026/07/10(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	2.9
00:10	3.6	south-southwest	2.5
00:20	3.7	south-southwest	3.5
00:30	3.5	south	3.6
00:40	3.6	south	3.6
00:50	3.6	south-southwest	2.9
01:00	3.5	south-southwest	3.1
01:10	3.5	south-southwest	2.0
01:20	3.8	south-southwest	1.5
01:30	3.7	south-southwest	1.7
01:40	3.6	west-southwest	1.3
01:50	3.6	southwest	0.7
02:00	3.5	south-southwest	0.6
02:10	3.4	south-southwest	0.7
02:20	3.5	-	CALM
02:30	3.5	southwest	0.6
02:40	3.4	west	0.6
02:50	3.6	-	CALM
03:00	3.5	northwest	0.9
03:10	3.6	north-northwest	1.7
03:20	3.7	northwest	1.8
03:30	3.5	west-northwest	1.4
03:40	3.6	north-northwest	2.2
03:50	3.6	north-northwest	2.2
04:00	3.5	north	1.7
04:10	3.5	north-northeast	1.5
04:20	3.6	north	1.1
04:30	3.5	north	1.0
04:40	3.5	north	1.2
04:50	3.6	north-northeast	1.7
05:00	3.6	north-northeast	1.4
05:10	3.7	north-northeast	1.2
05:20	3.4	north-northeast	1.4
05:30	3.6	north-northeast	1.3
05:40	3.6	north	2.0
05:50	3.6	north	1.4
06:00	3.5	north-northeast	1.6
06:10	3.4	north	1.3
06:20	3.6	north	1.1
06:30	3.6	north-northwest	1.1
06:40	3.5	north	1.3
06:50	3.5	-	CALM
07:00	3.3	north-northeast	1.2
07:10	3.5	north-northeast	1.5
07:20	3.7	northeast	2.3
07:30	3.5	northeast	2.3
07:40	3.7	northeast	2.4
07:50	3.5	northeast	2.5
08:00	3.6	northeast	2.3
08:10	3.5	east-northeast	2.3
08:20	3.5	east-northeast	2.8
08:30	3.5	northeast	3.1
08:40	3.5	east-northeast	2.5
08:50	3.5	east	2.2
09:00	3.5	northeast	1.1
09:10	3.5	east-southeast	1.3
09:20	3.5	east	1.8
09:30	3.5	southeast	2.9
09:40	3.7	east-southeast	2.4
09:50	3.6	southeast	2.7
10:00	3.5	south-southeast	3.5
10:10	3.7	southeast	2.6
10:20	3.7	southeast	2.3
10:30	3.5	southeast	3.4
10:40	3.5	south-southeast	4.9
10:50	3.6	south-southeast	5.3
11:00	3.4	south-southeast	4.3
11:10	3.4	south-southeast	4.5
11:20	3.4	south-southeast	3.6
11:30	3.6	south-southeast	4.9
11:40	3.5	south-southeast	5.1
11:50	3.5	south-southeast	5.4
12:00	3.6	south-southeast	6.5
12:10	3.6	south-southeast	6.5
12:20	3.5	south-southeast	5.3
12:30	3.6	south-southeast	6.2
12:40	3.5	south-southeast	6.6
12:50	3.6	south-southeast	5.9
13:00	3.3	south-southeast	5.3
13:10	3.4	south-southeast	5.9
13:20	3.4	south	6.1
13:30	3.4	south-southeast	7.2
13:40	3.7	south-southeast	6.5
13:50	3.7	south-southeast	5.7
14:00	3.5	south	5.9
14:10	3.6	south	4.4
14:20	3.5	southeast	5.1
14:30	3.8	southeast	5.4
14:40	3.5	south-southeast	4.8
14:50	3.3	south-southeast	5.1
15:00	3.5	south-southeast	4.9
15:10	3.5	south-southeast	5.2
15:20	3.6	south-southeast	6.0
15:30	3.4	south-southeast	6.3
15:40	3.5	south-southeast	5.9
15:50	3.6	south-southeast	6.5
16:00	3.5	south-southeast	6.7
16:10	3.4	south-southeast	7.7
16:20	3.7	south-southeast	8.1
16:30	3.6	south	6.9
16:40	3.6	south-southeast	5.9
16:50	3.6	south-southeast	5.7
17:00	3.4	south-southeast	6.4
17:10	3.5	south-southeast	6.4
17:20	3.5	south-southeast	7.0
17:30	3.6	south-southeast	6.4
17:40	3.7	south-southeast	5.8
17:50	3.5	south	6.5
18:00	3.6	south	6.9
18:10	3.7	south	6.9
18:20	3.5	south-southeast	6.4
18:30	3.7	south	5.6
18:40	3.5	south-southeast	6.0
18:50	3.6	south-southeast	6.3
19:00	3.5	south-southeast	6.0
19:10	3.4	south	6.0
19:20	3.5	south	6.1
19:30	3.4	south	4.8
19:40	3.7	south	4.9
19:50	3.5	south-southeast	5.4
20:00	3.5	south	4.9
20:10	3.6	south	5.7
20:20	3.5	south-southeast	4.8
20:30	3.4	south-southeast	4.9
20:40	3.7	south-southeast	4.3
20:50	3.5	south	4.5
21:00	3.5	south	4.1
21:10	3.5	south	3.8
21:20	3.5	south	4.3
21:30	3.6	south	4.9
21:40	3.6	south	5.0
21:50	3.5	south	5.4
22:00	3.5	south	5.7
22:10	3.5	south	5.5
22:20	3.6	south	5.1
22:30	3.7	south	4.5
22:40	3.6	south-southeast	3.4
22:50	3.6	south-southeast	3.5
23:00	3.5	south	5.3
23:10	3.5	south	5.6
23:20	3.6	south	5.1
23:30	3.7	south	5.4
23:40	3.7	south	5.0
23:50	3.7	south	5.0