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

○Information

○Measurement value list ： 2025/11/16(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	3.6	west	1.5
00:10	3.4	west	1.1
00:20	3.6	-	CALM
00:30	3.5	east-northeast	0.7
00:40	3.5	-	CALM
00:50	3.5	-	CALM
01:00	3.5	-	CALM
01:10	3.5	-	CALM
01:20	3.7	-	CALM
01:30	3.4	west	2.0
01:40	3.7	west	2.7
01:50	3.6	west	2.9
02:00	3.5	west-northwest	2.0
02:10	3.4	northwest	4.1
02:20	3.6	northwest	5.8
02:30	3.5	northwest	6.1
02:40	3.5	northwest	5.5
02:50	3.5	northwest	4.1
03:00	3.6	northwest	3.6
03:10	3.4	north-northwest	3.4
03:20	3.6	north-northwest	4.1
03:30	3.6	northwest	4.1
03:40	3.6	northwest	4.4
03:50	3.6	north-northwest	4.4
04:00	3.6	north-northwest	3.9
04:10	3.5	northwest	4.9
04:20	3.7	northwest	4.2
04:30	3.6	northwest	3.6
04:40	3.5	west-northwest	4.1
04:50	3.5	west-northwest	4.4
05:00	3.7	west-northwest	4.1
05:10	3.6	west-northwest	3.3
05:20	3.7	west-northwest	3.3
05:30	3.7	west-northwest	2.8
05:40	3.5	west-northwest	2.7
05:50	3.6	west-northwest	3.2
06:00	3.6	west-northwest	2.7
06:10	3.7	northwest	2.5
06:20	3.5	northwest	1.7
06:30	3.7	west	0.6
06:40	3.7	-	CALM
06:50	3.7	-	CALM
07:00	3.5	-	CALM
07:10	3.6	south-southwest	1.1
07:20	3.6	south-southwest	0.8
07:30	3.6	south-southwest	0.7
07:40	3.6	south	0.9
07:50	3.6	south	1.6
08:00	3.6	southeast	1.5
08:10	3.5	east-southeast	1.2
08:20	3.5	east	1.0
08:30	3.5	-	CALM
08:40	3.5	east	0.8
08:50	3.5	east	1.0
09:00	3.6	east	1.4
09:10	3.8	east	1.0
09:20	3.6	east	1.4
09:30	3.6	east-southeast	1.0
09:40	3.5	east-southeast	1.6
09:50	3.5	east-southeast	1.6
10:00	3.5	east	2.1
10:10	3.5	east	2.2
10:20	3.7	east	1.8
10:30	3.6	east-southeast	2.3
10:40	3.6	east	2.3
10:50	3.7	east	2.8
11:00	3.6	east-southeast	2.3
11:10	3.4	east-southeast	2.8
11:20	3.6	east	2.2
11:30	3.5	east	2.5
11:40	3.4	east-southeast	2.7
11:50	3.5	east-southeast	2.4
12:00	3.6	east-southeast	2.1
12:10	3.6	east-southeast	2.9
12:20	3.7	east-southeast	2.8
12:30	3.7	east	3.1
12:40	3.4	east-southeast	2.9
12:50	3.6	southeast	3.5
13:00	3.6	east-southeast	3.3
13:10	3.5	southeast	2.9
13:20	3.7	east	3.7
13:30	3.6	east-southeast	2.4
13:40	3.5	east-southeast	3.4
13:50	3.6	east-southeast	3.4
14:00	3.5	southeast	3.3
14:10	3.6	east-southeast	3.2
14:20	3.6	southeast	3.3
14:30	3.5	southeast	3.1
14:40	3.6	southeast	3.0
14:50	3.5	east-southeast	3.6
15:00	3.6	east-southeast	3.7
15:10	3.5	southeast	2.6
15:20	3.5	east-southeast	3.2
15:30	3.5	east	2.7
15:40	3.5	east-northeast	1.6
15:50	3.7	east	2.2
16:00	3.6	east	1.9
16:10	3.5	east-southeast	1.8
16:20	3.6	east-southeast	2.3
16:30	3.5	east-southeast	2.2
16:40	3.5	east-southeast	2.5
16:50	3.6	east-southeast	2.1
17:00	3.5	east-southeast	2.7
17:10	3.6	east-southeast	2.9
17:20	3.7	southeast	3.6
17:30	3.6	southeast	3.1
17:40	3.7	southeast	2.5
17:50	3.5	southeast	1.6
18:00	3.6	south-southeast	1.0
18:10	3.7	south	2.0
18:20	3.5	south	2.0
18:30	3.6	south-southwest	2.1
18:40	3.6	south-southwest	1.6
18:50	3.8	south-southwest	1.1
19:00	3.5	south-southwest	0.9
19:10	3.6	south	1.8
19:20	3.5	south-southwest	1.4
19:30	3.6	south-southwest	1.2
19:40	3.7	southwest	1.0
19:50	3.6	west-southwest	1.3
20:00	3.6	west-southwest	1.9
20:10	3.5	west-southwest	1.8
20:20	3.7	west-southwest	1.8
20:30	3.5	west-southwest	1.9
20:40	3.4	west-southwest	1.1
20:50	3.5	west-southwest	1.2
21:00	3.6	southwest	1.5
21:10	3.4	southwest	1.5
21:20	3.5	southwest	2.3
21:30	3.6	south-southwest	3.2
21:40	3.7	south-southwest	2.6
21:50	3.6	south-southwest	3.4
22:00	3.7	south	4.1
22:10	3.6	south	4.3
22:20	3.6	south	4.9
22:30	3.5	south	5.1
22:40	3.5	south-southwest	4.3
22:50	3.4	south	4.3
23:00	3.5	south-southwest	3.1
23:10	3.6	south	3.8
23:20	3.5	south	2.6
23:30	3.5	south	2.6
23:40	3.6	south	2.9
23:50	3.7	southwest	1.6