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

○Information

○Measurement value list ： 2026/07/16(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	5.9
00:10	3.4	south	7.2
00:20	3.6	south	6.3
00:30	3.5	south	6.0
00:40	3.5	south-southeast	6.3
00:50	3.6	south-southeast	6.0
01:00	3.7	south	5.5
01:10	3.7	south	5.4
01:20	3.6	south	4.2
01:30	3.5	south	4.4
01:40	3.5	south	5.6
01:50	3.6	south	6.3
02:00	3.6	south	6.4
02:10	3.6	south	5.8
02:20	3.5	south-southeast	5.4
02:30	3.5	south	5.8
02:40	3.5	south	5.8
02:50	3.5	south	6.6
03:00	3.6	south	6.0
03:10	3.5	south	5.5
03:20	3.5	south	5.1
03:30	3.7	south	5.5
03:40	3.5	south	5.9
03:50	3.5	south	4.3
04:00	3.6	south	3.7
04:10	3.5	south	4.5
04:20	3.5	south	4.1
04:30	3.5	south	4.4
04:40	3.6	south	4.6
04:50	3.5	south	4.5
05:00	3.5	south	4.6
05:10	3.6	south-southwest	5.0
05:20	3.5	south-southwest	2.9
05:30	3.7	south-southwest	3.5
05:40	3.7	south	3.5
05:50	3.5	south	3.7
06:00	3.5	south	3.4
06:10	3.6	south	3.1
06:20	3.6	south-southwest	2.7
06:30	3.3	south	2.9
06:40	3.6	south-southwest	2.8
06:50	3.6	south-southwest	1.8
07:00	3.5	southwest	1.7
07:10	3.5	-	CALM
07:20	3.4	-	CALM
07:30	3.6	-	CALM
07:40	3.5	south-southeast	1.1
07:50	3.5	south	1.2
08:00	3.6	south-southeast	0.7
08:10	3.4	south	0.8
08:20	3.6	south	0.7
08:30	3.7	east-southeast	1.1
08:40	3.6	east-southeast	1.5
08:50	3.5	east-southeast	1.9
09:00	3.6	east-southeast	2.1
09:10	3.6	east-southeast	2.6
09:20	3.5	southeast	3.0
09:30	3.5	southeast	3.5
09:40	3.6	southeast	3.7
09:50	3.4	southeast	3.2
10:00	3.4	south-southeast	3.0
10:10	3.4	south-southeast	3.3
10:20	3.3	south-southeast	3.4
10:30	3.4	southeast	3.8
10:40	3.6	southeast	3.5
10:50	3.7	south-southeast	4.4
11:00	3.6	south-southeast	4.9
11:10	3.4	south-southeast	5.7
11:20	3.6	south-southeast	5.8
11:30	3.5	south	4.5
11:40	3.6	south	3.3
11:50	3.5	south	3.2
12:00	3.4	south	3.5
12:10	3.6	south	2.5
12:20	3.6	south	3.1
12:30	3.6	south-southeast	2.9
12:40	3.7	south-southeast	3.8
12:50	3.4	south	3.9
13:00	3.6	south	3.2
13:10	3.6	south-southeast	4.0
13:20	3.5	south-southeast	3.0
13:30	3.7	south-southeast	2.6
13:40	3.6	south-southeast	3.8
13:50	3.4	south-southeast	4.2
14:00	3.6	south-southeast	3.6
14:10	3.6	south-southeast	4.3
14:20	3.4	south-southeast	5.4
14:30	3.5	south-southeast	5.1
14:40	3.4	south-southeast	6.1
14:50	3.4	south-southeast	4.9
15:00	3.6	south-southeast	3.4
15:10	3.7	south-southeast	4.5
15:20	3.4	south-southeast	4.5
15:30	3.6	south-southeast	4.9
15:40	3.7	south-southeast	5.0
15:50	3.5	south-southeast	5.2
16:00	3.5	south-southeast	5.2
16:10	3.4	south-southeast	5.1
16:20	3.5	south-southeast	5.2
16:30	3.6	south-southeast	5.1
16:40	3.5	south-southeast	5.2
16:50	3.6	south-southeast	4.4
17:00	3.6	south-southeast	4.5
17:10	3.5	south-southeast	4.4
17:20	3.5	south	5.4
17:30	3.6	south	4.9
17:40	3.6	south-southeast	4.5
17:50	3.6	south	3.8
18:00	3.5	south-southeast	4.1
18:10	3.5	south	3.2
18:20	3.7	south	3.1
18:30	3.6	south	3.9
18:40	3.5	south	4.9
18:50	3.7	south	4.4
19:00	3.6	south	3.5
19:10	3.6	south	2.9
19:20	3.7	south-southwest	2.5
19:30	3.5	west-northwest	0.6
19:40	3.6	north	0.8
19:50	3.7	north-northwest	0.8
20:00	3.6	north-northwest	1.6
20:10	3.6	north	2.4
20:20	3.5	north	3.4
20:30	3.6	north-northeast	2.3
20:40	3.6	northwest	1.7
20:50	3.5	north	1.9
21:00	3.4	north-northeast	1.5
21:10	3.5	east-northeast	1.1
21:20	3.4	east-southeast	0.6
21:30	3.4	-	CALM
21:40	3.5	-	CALM
21:50	3.5	-	CALM
22:00	3.5	-	CALM
22:10	3.5	-	CALM
22:20	3.6	southwest	0.6
22:30	3.6	south-southwest	0.8
22:40	3.7	southwest	1.1
22:50	3.3	west-southwest	0.7
23:00	3.5	-	CALM
23:10	3.6	-	CALM
23:20	3.5	north-northeast	1.1
23:30	3.5	north	1.4
23:40	3.5	north	1.0
23:50	3.5	north-northeast	1.1