Hourly Weather in Chelsea, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
22 km/h
Breezy
24 km/h
Breezy
23 km/h
Breezy
23 km/h
Breezy
22 km/h
Breezy
21 km/h
Breezy
19 km/h
Breezy
19 km/h
Breezy
22 km/h
Breezy
Humidity
58%
Comfortable
54%
Comfortable
52%
Comfortable
51%
Comfortable
51%
Comfortable
52%
Comfortable
57%
Comfortable
68%
Humid
73%
Extremely humid
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
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
Clouds
5%
1%
1%
0%
0%
0%
0%
0%
0%
Dew point
20°
20°
20°
20°
20°
20°
21°
22°
21°
UV Index
8
7
5
3
2
1
0
0
0
Air quality
58
Moderate
58
Moderate
60
Moderate
61
Moderate
59
Moderate
59
Moderate
58
Moderate
56
Moderate
54
Moderate
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
33.4 μg/m3
33.4 μg/m3
29.1 μg/m3
29.1 μg/m3
15 μg/m3
14.7 μg/m3
13.8 μg/m3
12.9 μg/m3
11.5 μg/m3
PM25
12.6 μg/m3
13 μg/m3
14 μg/m3
14.4 μg/m3
13.4 μg/m3
13.2 μg/m3
12.6 μg/m3
12 μg/m3
10.8 μg/m3
NO2
0.5 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.5 ppb
0.6 ppb
0.9 ppb
1.2 ppb
1.5 ppb
SO2
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
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
35.8 ppb
37 ppb
39.7 ppb
40.8 ppb
50.4 ppb
49.9 ppb
48.4 ppb
46.7 ppb
45.4 ppb