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

○Information

○Measurement value list ： 2025/07/06(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	3.7	west-northwest	4.0
00:10	3.6	west	3.6
00:20	3.6	west	3.5
00:30	3.7	west	3.3
00:40	3.5	west-northwest	3.2
00:50	3.6	west-northwest	2.9
01:00	3.6	west-northwest	2.2
01:10	3.8	west-northwest	2.3
01:20	3.5	west-northwest	1.7
01:30	3.8	west-northwest	1.3
01:40	3.5	west-northwest	1.1
01:50	3.6	west	1.1
02:00	3.7	southwest	0.7
02:10	3.7	southwest	0.8
02:20	3.6	west-southwest	0.8
02:30	3.4	west-southwest	0.9
02:40	3.6	-	CALM
02:50	3.5	north-northwest	0.7
03:00	3.6	northwest	1.9
03:10	3.5	northwest	2.5
03:20	3.6	west-northwest	2.6
03:30	3.6	west-northwest	1.5
03:40	3.6	west	0.9
03:50	3.5	west-northwest	1.6
04:00	3.5	west	2.0
04:10	3.6	west-northwest	1.9
04:20	3.6	west-northwest	1.6
04:30	3.5	northwest	1.5
04:40	3.7	west-northwest	2.4
04:50	3.5	west-northwest	3.0
05:00	3.6	northwest	2.8
05:10	3.5	northwest	2.1
05:20	3.5	west-northwest	4.0
05:30	3.7	west-northwest	4.3
05:40	3.7	west-northwest	4.4
05:50	3.5	west-northwest	5.9
06:00	3.5	west-northwest	4.5
06:10	3.7	west-northwest	4.0
06:20	3.5	west-northwest	3.8
06:30	3.4	west-northwest	1.9
06:40	3.5	west-northwest	0.8
06:50	3.6	north-northwest	1.0
07:00	3.6	north-northwest	1.3
07:10	3.6	north-northwest	0.8
07:20	3.6	-	CALM
07:30	3.7	east-northeast	0.8
07:40	3.8	northeast	0.7
07:50	3.5	-	CALM
08:00	3.6	southeast	0.6
08:10	3.6	east	0.7
08:20	3.6	east	1.1
08:30	3.6	east-southeast	1.2
08:40	3.6	southeast	1.3
08:50	3.7	east-southeast	1.9
09:00	3.6	east-southeast	2.1
09:10	3.7	southeast	2.4
09:20	3.6	southeast	2.3
09:30	3.5	southeast	2.3
09:40	3.6	southeast	2.8
09:50	3.6	east-southeast	3.4
10:00	3.6	east-southeast	3.0
10:10	3.6	east-southeast	3.4
10:20	3.5	east-southeast	3.2
10:30	3.8	east-southeast	3.1
10:40	3.6	east-southeast	2.7
10:50	3.5	east-southeast	2.1
11:00	3.4	southeast	2.2
11:10	3.4	east-southeast	2.1
11:20	3.5	east-southeast	2.4
11:30	3.5	east-southeast	2.6
11:40	3.6	east	4.3
11:50	3.4	east	3.5
12:00	3.7	east-southeast	2.7
12:10	3.5	east-southeast	2.6
12:20	3.5	east	1.9
12:30	3.6	east	2.5
12:40	3.5	east	2.4
12:50	3.6	east	2.7
13:00	3.5	east-southeast	2.0
13:10	3.6	east-southeast	2.1
13:20	3.6	southeast	1.9
13:30	3.6	east-southeast	2.2
13:40	3.6	southeast	2.0
13:50	3.6	east-southeast	2.7
14:00	3.3	east-southeast	2.4
14:10	3.7	east-southeast	2.3
14:20	3.7	southeast	3.6
14:30	3.5	south-southeast	3.5
14:40	3.4	south-southeast	3.0
14:50	3.6	south-southeast	2.4
15:00	3.5	south-southeast	2.8
15:10	3.4	southeast	2.6
15:20	3.5	south-southeast	2.7
15:30	3.5	south-southeast	3.4
15:40	3.5	south-southeast	4.0
15:50	3.5	south	3.6
16:00	3.5	south-southeast	2.9
16:10	3.6	south-southeast	2.7
16:20	3.5	south-southeast	2.0
16:30	3.5	south	1.3
16:40	3.6	southwest	1.1
16:50	3.6	west-northwest	0.8
17:00	3.7	west-northwest	1.1
17:10	3.8	-	CALM
17:20	3.7	-	CALM
17:30	3.6	south-southeast	1.2
17:40	3.4	south-southeast	1.7
17:50	3.5	south-southeast	1.7
18:00	3.6	east-southeast	0.6
18:10	3.4	south	2.3
18:20	3.6	-	CALM
18:30	3.7	-	CALM
18:40	3.8	-	CALM
18:50	3.7	south-southeast	0.7
19:00	3.5	-	CALM
19:10	3.6	-	CALM
19:20	3.6	northeast	0.8
19:30	3.4	-	CALM
19:40	3.7	-	CALM
19:50	3.4	south	1.1
20:00	3.5	south-southwest	1.3
20:10	3.6	south-southwest	1.6
20:20	3.6	south	0.8
20:30	3.5	southwest	1.8
20:40	3.7	southwest	2.7
20:50	3.7	south-southwest	2.6
21:00	3.7	southwest	2.2
21:10	3.7	southwest	2.2
21:20	3.3	southwest	1.8
21:30	3.7	southwest	2.5
21:40	3.5	southwest	2.3
21:50	3.6	west-southwest	1.6
22:00	3.6	west-southwest	2.1
22:10	3.5	southwest	1.3
22:20	3.6	southwest	1.0
22:30	3.6	west-southwest	1.6
22:40	3.6	west-southwest	1.2
22:50	3.7	southwest	1.1
23:00	3.6	west-southwest	1.7
23:10	3.5	west	0.7
23:20	3.6	southwest	0.6
23:30	3.5	west-southwest	1.4
23:40	3.4	west-southwest	0.7
23:50	3.5	west-southwest	1.5