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

○Information

○Measurement value list ： 2025/05/14(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	northwest	1.9
00:10	3.6	north-northwest	1.3
00:20	3.6	northwest	1.0
00:30	3.5	northwest	0.5
00:40	3.6	-	CALM
00:50	3.6	west-northwest	0.5
01:00	3.6	-	CALM
01:10	3.6	west-northwest	1.0
01:20	3.7	west	1.0
01:30	3.5	west-southwest	1.3
01:40	3.6	southwest	1.3
01:50	3.6	south-southwest	0.7
02:00	3.5	south-southwest	1.0
02:10	3.6	south	0.7
02:20	3.7	southwest	1.0
02:30	3.6	west-southwest	1.1
02:40	3.7	west-southwest	1.6
02:50	3.5	west-southwest	0.7
03:00	3.6	west-southwest	0.8
03:10	3.6	-	CALM
03:20	3.6	southeast	0.8
03:30	3.7	east-southeast	0.7
03:40	3.7	southeast	0.5
03:50	3.5	east-southeast	0.8
04:00	3.6	east-southeast	0.5
04:10	3.6	south-southeast	0.5
04:20	3.6	southeast	0.5
04:30	3.6	-	CALM
04:40	3.6	southeast	1.1
04:50	3.6	southeast	1.3
05:00	3.5	southeast	1.1
05:10	3.5	east-southeast	1.1
05:20	3.6	east-southeast	0.8
05:30	3.5	-	CALM
05:40	3.6	-	CALM
05:50	3.5	southwest	0.7
06:00	3.5	west-southwest	0.5
06:10	3.5	-	CALM
06:20	3.5	-	CALM
06:30	3.6	-	CALM
06:40	3.6	east-northeast	0.5
06:50	3.6	east	0.5
07:00	3.6	-	CALM
07:10	3.5	east	1.0
07:20	3.6	east-northeast	1.0
07:30	3.7	southeast	1.3
07:40	3.7	east-southeast	1.8
07:50	3.7	east	2.1
08:00	3.6	east	1.5
08:10	3.6	east-northeast	1.9
08:20	3.6	east-northeast	2.2
08:30	3.5	east-northeast	1.8
08:40	3.6	east	1.4
08:50	3.6	northeast	1.4
09:00	3.6	east-northeast	1.4
09:10	3.5	east-northeast	1.8
09:20	3.5	east-northeast	2.4
09:30	3.6	east-northeast	1.6
09:40	3.6	east-northeast	2.6
09:50	3.6	east-northeast	2.9
10:00	3.7	east-northeast	3.0
10:10	3.5	east	2.9
10:20	3.6	east	2.3
10:30	3.6	east	2.1
10:40	3.6	east	2.1
10:50	3.5	east	1.8
11:00	3.6	east-southeast	1.9
11:10	3.6	east-southeast	1.9
11:20	3.6	east-southeast	2.2
11:30	3.5	east-southeast	1.8
11:40	3.6	east-southeast	2.2
11:50	3.5	east-southeast	1.4
12:00	3.5	east	1.5
12:10	3.6	east-southeast	2.1
12:20	3.6	east-southeast	2.5
12:30	3.5	east-southeast	2.3
12:40	3.5	east	1.6
12:50	3.4	east-southeast	2.7
13:00	3.5	south-southeast	2.4
13:10	3.5	southeast	4.0
13:20	3.4	south-southeast	3.8
13:30	3.6	south-southeast	3.2
13:40	3.6	southeast	2.9
13:50	3.7	southeast	3.2
14:00	3.9	southeast	3.8
14:10	3.6	south-southeast	4.0
14:20	3.7	south-southeast	3.3
14:30	3.6	south-southeast	4.4
14:40	3.7	south	5.1
14:50	3.6	south-southeast	6.8
15:00	3.6	south-southeast	6.6
15:10	3.5	south-southeast	6.5
15:20	3.4	south-southeast	6.5
15:30	3.5	south-southeast	6.8
15:40	3.6	south-southeast	6.2
15:50	3.5	south-southeast	7.1
16:00	3.6	south-southeast	6.8
16:10	3.7	south-southeast	6.8
16:20	3.7	south-southeast	6.5
16:30	3.6	south-southeast	5.9
16:40	3.5	south	5.4
16:50	3.6	south	4.3
17:00	3.5	south	4.9
17:10	3.5	south-southeast	5.5
17:20	3.7	south-southeast	5.7
17:30	3.5	south	5.1
17:40	3.7	south	5.1
17:50	3.6	south-southeast	4.4
18:00	3.7	south	4.6
18:10	3.7	south-southeast	4.4
18:20	3.5	south-southeast	3.7
18:30	3.5	south	4.1
18:40	3.5	south	4.1
18:50	3.5	south	3.7
19:00	3.7	south	2.2
19:10	3.7	south	3.3
19:20	3.7	south	2.9
19:30	3.6	south	3.0
19:40	3.7	south	3.2
19:50	3.5	south	3.8
20:00	3.7	south-southwest	3.5
20:10	3.6	south	3.5
20:20	3.6	south	4.0
20:30	3.6	south	4.1
20:40	3.6	south	3.8
20:50	3.7	south	4.0
21:00	3.6	south-southwest	4.1
21:10	3.5	south-southwest	4.0
21:20	3.6	south-southwest	4.3
21:30	3.6	south-southwest	3.3
21:40	3.6	south-southwest	2.7
21:50	3.3	south-southwest	2.6
22:00	3.5	southwest	1.4
22:10	3.6	north-northwest	0.7
22:20	3.7	-	CALM
22:30	3.5	-	CALM
22:40	3.4	-	CALM
22:50	3.5	northwest	0.8
23:00	3.4	north-northeast	1.0
23:10	3.7	north-northeast	1.1
23:20	3.6	north-northeast	1.1
23:30	3.4	north	2.3
23:40	3.7	north	2.7
23:50	3.5	north-northeast	2.7