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

○Information

○Measurement value list ： 2025/06/15(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	south-southeast	11.0
00:10	3.6	south-southeast	9.4
00:20	3.5	south	9.6
00:30	3.6	south-southeast	8.7
00:40	3.7	south-southeast	8.6
00:50	3.6	south-southeast	8.1
01:00	3.4	south-southeast	9.4
01:10	3.7	south-southeast	9.6
01:20	3.6	southeast	7.7
01:30	3.6	south-southeast	7.6
01:40	3.7	southeast	7.0
01:50	3.6	south-southeast	8.2
02:00	3.6	southeast	7.4
02:10	3.7	southeast	6.6
02:20	3.5	southeast	6.6
02:30	3.5	south-southeast	5.6
02:40	3.6	south-southeast	4.5
02:50	3.5	south-southeast	3.4
03:00	3.5	south	3.0
03:10	3.5	south	2.5
03:20	3.8	south	2.4
03:30	3.8	south-southwest	1.3
03:40	3.7	southwest	1.5
03:50	3.7	west-southwest	1.3
04:00	3.6	-	CALM
04:10	3.6	southeast	0.6
04:20	3.5	-	CALM
04:30	3.7	northwest	1.4
04:40	3.6	northwest	1.5
04:50	3.5	northwest	1.6
05:00	3.7	west-northwest	1.7
05:10	3.6	west-northwest	1.3
05:20	3.6	west-northwest	0.9
05:30	3.5	-	CALM
05:40	3.6	-	CALM
05:50	3.6	southeast	1.3
06:00	3.7	southeast	0.9
06:10	3.5	southeast	1.6
06:20	3.5	-	CALM
06:30	3.6	southeast	0.9
06:40	3.6	east-northeast	0.7
06:50	3.4	-	CALM
07:00	3.7	south	0.7
07:10	3.7	south	1.3
07:20	3.5	south-southeast	1.4
07:30	3.5	southeast	2.6
07:40	3.5	east-southeast	3.8
07:50	3.6	east	1.8
08:00	3.5	west-southwest	0.6
08:10	3.7	south-southwest	0.7
08:20	3.7	south	2.5
08:30	3.7	south	1.6
08:40	3.5	south-southwest	0.6
08:50	3.8	west	1.1
09:00	3.5	-	CALM
09:10	3.5	south-southeast	1.5
09:20	3.5	west-southwest	0.9
09:30	3.4	southwest	2.2
09:40	3.7	south-southwest	1.4
09:50	3.6	southwest	0.8
10:00	3.5	southwest	1.4
10:10	3.6	southwest	0.7
10:20	3.6	west	0.8
10:30	3.7	south	0.9
10:40	3.6	southwest	0.7
10:50	3.5	south-southeast	1.1
11:00	3.7	south-southeast	2.2
11:10	3.7	southeast	1.5
11:20	3.6	south-southeast	1.3
11:30	3.6	south-southeast	1.0
11:40	3.5	south	1.8
11:50	3.5	south-southeast	0.8
12:00	3.6	south-southeast	0.9
12:10	3.6	east	0.9
12:20	3.6	east-northeast	1.7
12:30	3.7	east-northeast	1.4
12:40	3.6	north	2.3
12:50	3.6	north	2.4
13:00	3.6	north	2.3
13:10	3.7	north	2.9
13:20	3.5	north-northeast	2.7
13:30	3.7	north	3.3
13:40	3.6	north-northeast	3.8
13:50	3.5	north-northeast	2.4
14:00	3.7	north-northeast	3.7
14:10	3.5	north-northeast	2.6
14:20	3.5	north-northeast	3.5
14:30	3.7	north	3.5
14:40	3.5	north-northeast	3.0
14:50	3.7	north	2.9
15:00	3.6	north	2.6
15:10	3.7	north	2.7
15:20	3.6	north	1.9
15:30	3.6	north	1.6
15:40	3.6	north-northeast	2.6
15:50	3.7	north	2.4
16:00	3.7	north	2.2
16:10	3.6	north	2.3
16:20	3.5	north	3.0
16:30	3.5	north	3.0
16:40	3.5	north	3.4
16:50	3.8	north	3.1
17:00	3.5	north-northwest	4.2
17:10	3.6	north-northwest	5.2
17:20	3.6	north-northwest	4.7
17:30	3.6	north-northwest	4.1
17:40	3.7	north-northwest	4.2
17:50	3.6	north-northwest	3.5
18:00	3.6	northwest	4.0
18:10	3.7	northwest	4.6
18:20	3.5	northwest	4.6
18:30	3.7	west-northwest	4.9
18:40	3.6	west-northwest	4.7
18:50	3.6	northwest	5.3
19:00	3.6	northwest	5.1
19:10	3.7	northwest	5.0
19:20	3.6	northwest	5.4
19:30	3.7	northwest	5.5
19:40	3.6	northwest	5.3
19:50	3.4	west-northwest	4.9
20:00	3.7	west-northwest	4.8
20:10	3.5	west-northwest	4.1
20:20	3.5	northwest	3.8
20:30	3.7	northwest	3.4
20:40	3.7	northwest	3.5
20:50	3.6	northwest	3.4
21:00	3.6	north-northwest	3.2
21:10	3.6	northwest	3.0
21:20	3.6	northwest	3.1
21:30	3.7	northwest	3.5
21:40	3.4	northwest	4.7
21:50	3.6	northwest	5.1
22:00	3.6	west-northwest	5.1
22:10	3.7	northwest	5.3
22:20	3.6	northwest	4.4
22:30	3.7	northwest	4.5
22:40	3.5	northwest	4.5
22:50	3.6	northwest	4.7
23:00	3.7	northwest	4.6
23:10	3.7	northwest	4.8
23:20	3.6	northwest	4.3
23:30	3.6	northwest	4.3
23:40	3.6	northwest	3.9
23:50	3.5	northwest	3.5