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

○Information

○Measurement value list ： 2026/07/24(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	east-northeast	1.4
00:10	3.6	northeast	1.1
00:20	3.6	north-northeast	1.0
00:30	3.7	northeast	1.6
00:40	3.5	northeast	1.4
00:50	3.5	northeast	1.4
01:00	3.4	northeast	1.3
01:10	3.6	northeast	1.5
01:20	3.5	north	0.7
01:30	3.5	north-northeast	0.7
01:40	3.5	east-northeast	1.2
01:50	3.5	east-southeast	0.6
02:00	3.5	east-southeast	0.6
02:10	3.6	southeast	0.6
02:20	3.6	-	CALM
02:30	3.5	south	0.7
02:40	3.5	south	1.1
02:50	3.3	south-southeast	1.0
03:00	3.6	south	1.0
03:10	3.4	south	0.8
03:20	3.5	southwest	1.1
03:30	3.7	south-southwest	1.0
03:40	3.6	south-southwest	1.4
03:50	3.5	south-southwest	1.7
04:00	3.6	south	1.9
04:10	3.4	south	1.9
04:20	3.4	south-southeast	1.6
04:30	3.5	south	1.4
04:40	3.5	-	CALM
04:50	3.4	southeast	0.6
05:00	3.5	south	1.1
05:10	3.6	south	1.2
05:20	3.6	southwest	1.5
05:30	3.6	south-southeast	0.9
05:40	3.4	south-southeast	0.7
05:50	3.5	south-southwest	1.0
06:00	3.6	south-southwest	1.0
06:10	3.6	south-southeast	1.1
06:20	3.4	east-southeast	1.0
06:30	3.5	southeast	1.5
06:40	3.5	east-southeast	1.5
06:50	3.5	southeast	1.8
07:00	3.6	southeast	1.6
07:10	3.5	southeast	1.4
07:20	3.6	south	1.6
07:30	3.6	south-southeast	1.1
07:40	3.4	south-southeast	1.8
07:50	3.4	south-southeast	2.0
08:00	3.6	southeast	1.4
08:10	3.5	southeast	1.3
08:20	3.4	east-southeast	1.8
08:30	3.6	east-southeast	2.1
08:40	3.6	east	2.0
08:50	3.4	east-southeast	1.4
09:00	3.5	south-southeast	1.6
09:10	3.5	south-southeast	1.0
09:20	3.6	east-southeast	1.2
09:30	3.4	east	2.0
09:40	3.4	southeast	1.7
09:50	3.5	east	1.8
10:00	3.5	east-northeast	2.3
10:10	3.6	northeast	2.9
10:20	3.6	east	1.5
10:30	3.4	east-southeast	2.2
10:40	3.6	south-southeast	2.7
10:50	3.6	east-southeast	1.0
11:00	3.6	southeast	1.3
11:10	3.6	south-southeast	1.1
11:20	3.8	southeast	1.3
11:30	3.5	south-southeast	1.1
11:40	3.6	southeast	0.6
11:50	3.5	east-southeast	2.3
12:00	3.5	southeast	2.5
12:10	3.5	southeast	2.5
12:20	3.6	south-southeast	2.7
12:30	3.5	south-southeast	2.6
12:40	3.6	south-southeast	2.4
12:50	3.4	south-southeast	2.3
13:00	3.4	south-southeast	2.1
13:10	3.5	south-southeast	2.4
13:20	3.5	south-southeast	3.2
13:30	3.4	south-southeast	3.5
13:40	3.5	south-southeast	2.9
13:50	3.6	south-southeast	2.8
14:00	3.6	south-southeast	3.4
14:10	3.5	south-southeast	3.7
14:20	3.6	southeast	3.3
14:30	3.5	southeast	2.7
14:40	3.5	southeast	3.1
14:50	3.5	south-southeast	3.2
15:00	3.6	south-southeast	3.5
15:10	3.6	south-southeast	3.3
15:20	3.5	south-southeast	2.8
15:30	3.5	south-southeast	2.3
15:40	3.4	southeast	2.4
15:50	3.4	south-southeast	2.7
16:00	3.6	south-southeast	2.9
16:10	3.5	southeast	3.4
16:20	3.5	south-southeast	3.2
16:30	3.5	south-southeast	3.6
16:40	3.6	south-southeast	2.9
16:50	3.6	south-southeast	2.1
17:00	3.6	south-southeast	1.9
17:10	3.4	south-southeast	2.0
17:20	3.5	south-southeast	2.5
17:30	3.6	south	1.6
17:40	3.5	south-southwest	1.6
17:50	3.7	southwest	1.2
18:00	3.5	south-southeast	1.2
18:10	3.5	southeast	1.2
18:20	3.5	east-southeast	2.2
18:30	3.5	east-southeast	2.9
18:40	3.5	east-southeast	2.2
18:50	3.4	east-southeast	1.9
19:00	3.4	east-southeast	2.2
19:10	3.5	east-southeast	2.4
19:20	3.4	southeast	2.3
19:30	3.7	southeast	2.9
19:40	3.6	southeast	2.6
19:50	3.5	south-southeast	2.6
20:00	3.6	south-southeast	2.8
20:10	3.7	-	-
20:20	3.4	southeast	2.2
20:30	3.7	southeast	2.5
20:40	3.5	-	-
20:50	3.6	-	-
21:00	3.5	south-southeast	1.5
21:10	3.4	east-southeast	1.5
21:20	3.5	southeast	2.3
21:30	3.4	east-southeast	2.4
21:40	3.6	east-southeast	2.4
21:50	3.5	-	-
22:00	3.5	-	-
22:10	3.6	east-southeast	1.9
22:20	3.6	east-southeast	2.0
22:30	3.6	southeast	2.0
22:40	3.5	-	-
22:50	3.6	east-southeast	1.6
23:00	3.6	east-southeast	1.8
23:10	3.5	southeast	2.0
23:20	3.5	south-southeast	1.6
23:30	3.5	southeast	2.1
23:40	3.6	southeast	2.7
23:50	3.6	southeast	2.4