Hourly Weather in Erwin, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 km/h
Calm
8 km/h
Calm
10 km/h
Light
12 km/h
Light
13 km/h
Light
11 km/h
Light
10 km/h
Light
6 km/h
Calm
9 km/h
Light
Humidity
47%
Comfortable
41%
Dry
36%
Dry
28%
Very dry
25%
Very dry
26%
Very dry
30%
Dry
36%
Dry
40%
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
1008 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1005 hPa
Low
1006 hPa
Low
1006 hPa
Low
Clouds
55%
0%
0%
0%
0%
0%
9%
97%
100%
Dew point
20°
19°
18°
16°
14°
15°
16°
18°
18°
UV Index
9
9
8
5
4
2
1
0
0
Air quality
54
Moderate
55
Moderate
55
Moderate
56
Moderate
56
Moderate
57
Moderate
57
Moderate
49
Good
46
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
28 μg/m3
28 μg/m3
28 μg/m3
28 μg/m3
28 μg/m3
28 μg/m3
28 μg/m3
9.3 μg/m3
8.7 μg/m3
PM25
10.8 μg/m3
11 μg/m3
11.3 μg/m3
11.6 μg/m3
11.9 μg/m3
12.2 μg/m3
12.5 μg/m3
8.7 μg/m3
8.2 μg/m3
NO2
0.6 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.8 ppb
1.1 ppb
1.3 ppb
1.9 ppb
2.5 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 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
32.5 ppb
32.8 ppb
33.2 ppb
33.7 ppb
34.2 ppb
34.7 ppb
35.1 ppb
36.2 ppb
34.5 ppb