Hourly Weather in Alsen, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 km/h
Light
16 km/h
Light
18 km/h
Breezy
13 km/h
Light
17 km/h
Breezy
19 km/h
Breezy
20 km/h
Breezy
21 km/h
Breezy
24 km/h
Breezy
Humidity
75%
Extremely humid
71%
Extremely humid
59%
Comfortable
46%
Comfortable
57%
Comfortable
53%
Comfortable
49%
Comfortable
42%
Dry
36%
Dry
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1010 hPa
Normal
1009 hPa
Normal
1008 hPa
Low
1008 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1006 hPa
Low
Clouds
100%
98%
88%
100%
73%
93%
100%
54%
63%
Dew point
20°
20°
18°
17°
22°
23°
22°
21°
20°
UV Index
0
0
1
2
4
6
8
9
9
Air quality
17
Good
18
Good
20
Good
27
Good
36
Good
45
Good
52
Moderate
46
Good
49
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
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
5.3 μg/m3
4.8 μg/m3
PM25
0.7 μg/m3
1.7 μg/m3
3.1 μg/m3
4.8 μg/m3
6.5 μg/m3
8.1 μg/m3
9.6 μg/m3
4.8 μg/m3
4.4 μg/m3
NO2
4.5 ppb
4.4 ppb
3.5 ppb
2.7 ppb
1.8 ppb
1.4 ppb
1.1 ppb
0.7 ppb
0.7 ppb
SO2
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 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
18.1 ppb
19.7 ppb
21.8 ppb
24.4 ppb
27 ppb
29.5 ppb
31.7 ppb
49.9 ppb
52.7 ppb