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

○Information

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