Hourly Weather in Union County, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
16 km/h
Light
12 km/h
Light
9 km/h
Light
9 km/h
Light
13 km/h
Light
14 km/h
Light
13 km/h
Light
14 km/h
Light
12 km/h
Light
Humidity
97%
Extremely humid
95%
Extremely humid
95%
Extremely humid
95%
Extremely humid
94%
Extremely humid
90%
Extremely humid
81%
Extremely humid
66%
Humid
56%
Comfortable
Visibility
11 km
Good
12 km
Good
12 km
Good
12 km
Good
12 km
Good
14 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1009 hPa
Normal
Clouds
81%
79%
45%
58%
51%
17%
12%
4%
3%
Dew point
21°
21°
21°
21°
22°
22°
23°
22°
22°
UV Index
0
0
0
0
1
2
4
6
8
Air quality
14
Good
20
Good
29
Good
39
Good
49
Good
54
Moderate
57
Moderate
38
Good
43
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
4.3 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
4.9 μg/m3
5.7 μg/m3
PM25
2.5 μg/m3
3.6 μg/m3
5.2 μg/m3
6.9 μg/m3
8.8 μg/m3
10.5 μg/m3
12.1 μg/m3
4.2 μg/m3
4.7 μg/m3
NO2
5.1 ppb
5.2 ppb
5.2 ppb
5.3 ppb
4.2 ppb
3.2 ppb
2.1 ppb
1.6 ppb
1.1 ppb
SO2
0.6 ppb
0.5 ppb
0.5 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
15.4 ppb
18 ppb
21.5 ppb
25.7 ppb
30 ppb
34.2 ppb
37.8 ppb
41.1 ppb
46.5 ppb