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

○Information

○Measurement value list ： 2025/05/27(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	southwest	1.4
00:10	3.6	southwest	1.6
00:20	3.7	southwest	1.1
00:30	3.6	southwest	1.3
00:40	3.6	southwest	1.0
00:50	3.6	southwest	1.0
01:00	3.5	southwest	0.7
01:10	3.7	southwest	0.8
01:20	3.6	west-southwest	0.7
01:30	3.5	west-southwest	0.7
01:40	3.4	south-southwest	1.3
01:50	3.5	south-southwest	1.9
02:00	3.4	south-southwest	1.6
02:10	3.6	south-southwest	1.4
02:20	3.6	south-southwest	1.5
02:30	3.6	south	1.3
02:40	3.6	south	1.1
02:50	3.6	south	1.3
03:00	3.5	southeast	1.0
03:10	3.5	south-southeast	1.0
03:20	3.5	south-southwest	0.5
03:30	3.7	south	0.7
03:40	3.5	south	0.7
03:50	3.6	southwest	1.0
04:00	3.7	south-southwest	0.7
04:10	3.5	southwest	0.5
04:20	3.5	-	CALM
04:30	3.8	northeast	0.7
04:40	3.6	-	CALM
04:50	3.5	west-northwest	0.7
05:00	3.6	west-southwest	0.5
05:10	3.6	-	CALM
05:20	3.7	west	0.5
05:30	3.6	west	0.8
05:40	3.6	west-northwest	0.8
05:50	3.7	northwest	0.7
06:00	3.5	west-northwest	1.0
06:10	3.4	west-northwest	0.7
06:20	3.7	west-northwest	0.7
06:30	3.6	-	CALM
06:40	3.8	north-northwest	0.5
06:50	3.5	north-northwest	0.7
07:00	3.6	northwest	1.1
07:10	3.7	north-northwest	0.7
07:20	3.5	north-northwest	1.1
07:30	3.5	north-northwest	1.0
07:40	3.6	north-northeast	0.5
07:50	3.5	northwest	0.7
08:00	3.5	northwest	0.8
08:10	3.5	northeast	1.3
08:20	3.5	northeast	1.0
08:30	3.5	north	1.3
08:40	3.6	north-northeast	1.3
08:50	3.6	northeast	2.4
09:00	3.6	northeast	2.3
09:10	3.6	east-northeast	2.7
09:20	3.6	east-northeast	2.6
09:30	3.6	northeast	2.6
09:40	3.5	north-northeast	2.6
09:50	3.6	north	2.3
10:00	3.6	north-northeast	2.3
10:10	3.5	northeast	4.1
10:20	3.7	northeast	3.3
10:30	3.5	northeast	4.3
10:40	3.8	north-northeast	3.7
10:50	3.5	northeast	4.1
11:00	3.8	northeast	3.7
11:10	3.8	northeast	3.8
11:20	3.5	northeast	3.5
11:30	3.6	east-northeast	2.6
11:40	3.6	northeast	3.5
11:50	3.7	northeast	2.9
12:00	3.7	northeast	2.6
12:10	3.4	north-northeast	2.4
12:20	3.5	northeast	2.1
12:30	3.6	east-northeast	2.1
12:40	3.6	east-northeast	1.9
12:50	3.6	east-northeast	2.4
13:00	3.6	east-northeast	2.1
13:10	3.7	east	1.9
13:20	3.6	east-northeast	1.8
13:30	3.6	east	1.8
13:40	3.6	east	2.1
13:50	3.6	east-northeast	2.2
14:00	3.6	east-northeast	1.8
14:10	3.5	east-northeast	1.9
14:20	3.5	east-northeast	1.3
14:30	3.6	east-northeast	2.1
14:40	3.5	east	2.4
14:50	3.7	southeast	2.2
15:00	3.6	east	3.0
15:10	3.5	east	3.3
15:20	3.5	east	2.9
15:30	3.5	east-southeast	2.5
15:40	3.7	east	1.9
15:50	3.6	southeast	1.6
16:00	3.5	east-southeast	1.9
16:10	3.6	east-southeast	2.1
16:20	3.6	east	2.6
16:30	3.7	east-southeast	1.9
16:40	3.4	east	2.9
16:50	3.6	east-southeast	3.0
17:00	3.6	east-southeast	2.1
17:10	3.6	southeast	1.1
17:20	3.5	east-southeast	1.3
17:30	3.6	east-southeast	1.4
17:40	3.5	east-southeast	1.3
17:50	3.7	east-southeast	1.8
18:00	3.7	southeast	1.9
18:10	3.6	southeast	1.8
18:20	3.6	southeast	2.6
18:30	3.7	east-southeast	2.5
18:40	3.6	east-southeast	2.5
18:50	3.5	southeast	1.6
19:00	3.5	southeast	1.5
19:10	3.5	southeast	1.6
19:20	3.7	south-southeast	1.5
19:30	3.5	south	1.5
19:40	3.6	south	1.3
19:50	3.7	south-southwest	1.5
20:00	3.4	south-southwest	1.3
20:10	3.6	southwest	2.2
20:20	3.6	south-southwest	1.8
20:30	3.6	south-southwest	1.9
20:40	3.6	south-southwest	1.9
20:50	3.5	south-southwest	1.5
21:00	3.6	south-southwest	1.8
21:10	3.5	south-southwest	2.1
21:20	3.5	south-southwest	1.5
21:30	3.5	south-southwest	1.1
21:40	3.5	south	1.0
21:50	3.7	-	CALM
22:00	3.6	south	0.8
22:10	3.5	south-southeast	1.1
22:20	3.7	southeast	0.8
22:30	3.5	southeast	1.0
22:40	3.5	south-southeast	0.7
22:50	3.6	south-southeast	0.8
23:00	3.6	south-southeast	1.1
23:10	3.6	south-southeast	1.4
23:20	3.6	south-southeast	1.4
23:30	3.5	south-southeast	1.0
23:40	3.6	south	1.4
23:50	3.5	south	1.4