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

○Information

○Measurement value list ： 2026/06/10(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	3.5	-	CALM
00:10	3.6	northeast	0.9
00:20	3.7	north-northeast	1.4
00:30	3.7	north-northwest	1.5
00:40	3.3	north	1.8
00:50	3.6	north	2.1
01:00	3.3	north-northwest	2.4
01:10	3.5	northwest	2.9
01:20	3.6	northwest	2.5
01:30	3.6	north	2.5
01:40	3.6	north	3.0
01:50	3.6	north-northwest	3.1
02:00	3.5	north-northwest	2.5
02:10	3.5	north-northwest	2.2
02:20	3.6	north-northwest	1.8
02:30	3.8	north-northwest	2.0
02:40	3.6	northwest	2.3
02:50	3.6	northwest	3.0
03:00	3.7	northwest	3.1
03:10	3.6	northwest	4.1
03:20	3.6	northwest	4.2
03:30	3.6	northwest	4.3
03:40	3.5	northwest	4.4
03:50	3.6	northwest	3.9
04:00	3.5	northwest	4.0
04:10	3.4	north-northwest	4.1
04:20	3.4	north-northwest	3.9
04:30	3.6	northwest	3.6
04:40	3.7	northwest	3.9
04:50	3.7	north-northwest	3.7
05:00	3.7	northwest	3.7
05:10	3.6	north-northwest	3.7
05:20	3.7	northwest	4.2
05:30	3.6	north-northwest	3.9
05:40	3.5	north-northwest	3.9
05:50	3.4	north-northwest	4.0
06:00	3.8	northwest	4.1
06:10	3.5	north	2.1
06:20	3.5	north-northeast	2.2
06:30	3.8	north-northeast	2.9
06:40	3.6	north-northeast	2.0
06:50	3.6	north-northeast	2.2
07:00	3.6	north-northeast	2.8
07:10	3.6	north	2.0
07:20	3.6	northeast	3.1
07:30	3.8	north-northeast	2.6
07:40	3.6	northeast	3.3
07:50	3.6	northeast	3.2
08:00	3.5	north-northeast	3.1
08:10	3.6	north-northeast	4.0
08:20	3.6	northeast	4.8
08:30	3.6	north-northeast	4.5
08:40	3.5	northeast	3.5
08:50	3.7	north-northeast	4.2
09:00	3.6	north-northeast	4.3
09:10	3.6	north-northeast	4.8
09:20	3.5	north-northeast	4.5
09:30	3.6	north-northeast	4.7
09:40	3.6	northeast	3.7
09:50	3.3	northeast	4.1
10:00	3.5	northeast	4.4
10:10	3.5	northeast	4.7
10:20	3.6	northeast	3.8
10:30	3.6	northeast	4.6
10:40	3.6	northeast	4.8
10:50	3.5	northeast	4.4
11:00	3.6	northeast	3.4
11:10	3.5	east-northeast	3.7
11:20	3.7	east-northeast	3.7
11:30	3.8	east-northeast	3.6
11:40	3.6	east-northeast	4.1
11:50	3.5	east-northeast	3.7
12:00	3.4	east-northeast	2.6
12:10	3.7	east-northeast	2.9
12:20	3.8	east-northeast	3.1
12:30	3.6	east-northeast	3.1
12:40	3.4	east	2.7
12:50	3.7	east	2.8
13:00	3.6	east-southeast	2.4
13:10	3.6	east-southeast	3.3
13:20	3.6	east-southeast	3.1
13:30	3.6	southeast	3.4
13:40	3.6	southeast	2.5
13:50	3.6	southeast	1.9
14:00	3.4	east-southeast	2.4
14:10	3.6	east-southeast	3.0
14:20	3.6	southeast	3.3
14:30	3.7	east-southeast	2.7
14:40	3.6	east-southeast	3.2
14:50	3.7	southeast	2.4
15:00	3.7	southeast	2.9
15:10	3.4	southeast	2.6
15:20	3.6	southeast	2.5
15:30	3.5	southeast	1.4
15:40	3.5	east-southeast	2.2
15:50	3.6	east-southeast	2.3
16:00	3.6	east-southeast	1.6
16:10	3.7	east-southeast	2.1
16:20	3.6	east-southeast	2.0
16:30	3.6	southeast	1.7
16:40	3.5	east-southeast	1.6
16:50	3.6	southeast	2.0
17:00	3.6	southeast	2.1
17:10	3.6	east-southeast	2.5
17:20	3.5	southeast	1.5
17:30	3.6	south-southeast	1.1
17:40	3.5	south-southeast	1.2
17:50	3.6	southeast	1.4
18:00	3.6	east-southeast	1.6
18:10	3.6	east-southeast	1.9
18:20	3.5	southeast	2.1
18:30	3.7	southeast	1.9
18:40	3.5	south-southeast	1.5
18:50	3.4	southeast	1.9
19:00	3.7	south	1.4
19:10	3.7	south	1.9
19:20	3.5	south	1.7
19:30	3.6	south	2.1
19:40	3.6	-	-
19:50	3.6	south	1.7
20:00	3.6	south	2.7
20:10	3.6	south-southwest	2.4
20:20	3.5	-	-
20:30	3.6	south	2.1
20:40	3.5	south	2.1
20:50	3.6	south	2.3
21:00	3.6	south	2.6
21:10	3.6	south-southwest	2.3
21:20	3.7	south-southwest	2.3
21:30	3.6	south-southwest	1.6
21:40	3.7	south-southwest	1.5
21:50	3.5	south-southwest	1.7
22:00	3.6	south-southwest	1.2
22:10	3.7	south-southwest	1.1
22:20	3.5	south-southwest	1.2
22:30	3.6	southwest	1.7
22:40	3.6	south-southwest	1.3
22:50	3.4	south-southwest	1.3
23:00	3.4	south-southwest	1.0
23:10	3.6	south-southwest	1.3
23:20	3.7	south-southwest	1.7
23:30	3.8	southwest	1.7
23:40	3.7	south-southwest	1.3
23:50	3.4	south	1.4