Hourly Weather in Ralph, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
22 km/h
Breezy
25 km/h
Breezy
19 km/h
Breezy
9 km/h
Light
9 km/h
Light
11 km/h
Light
9 km/h
Light
5 km/h
Calm
6 km/h
Calm
Humidity
17%
Extremely dry
17%
Extremely dry
18%
Extremely dry
23%
Very dry
24%
Very dry
25%
Very dry
25%
Very dry
25%
Very dry
27%
Very 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
1004 hPa
Very low
1004 hPa
Very low
1004 hPa
Very low
1004 hPa
Low
1005 hPa
Low
1005 hPa
Low
1005 hPa
Low
1005 hPa
Low
1006 hPa
Low
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
8°
8°
8°
10°
9°
8°
8°
7°
8°
UV Index
2
1
0
0
0
0
0
0
0
Air quality
67
Moderate
65
Moderate
64
Moderate
63
Moderate
62
Moderate
62
Moderate
63
Moderate
62
Moderate
63
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
5 / 5
5 / 5
5 / 5
5 / 5
4 / 5
4 / 5
3 / 5
3 / 5
3 / 5
Pollutants
Low risk
High risk
PM10
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
15.9 μg/m3
16.3 μg/m3
16.2 μg/m3
16.2 μg/m3
PM25
17.4 μg/m3
16.7 μg/m3
16 μg/m3
15.3 μg/m3
14.7 μg/m3
14.9 μg/m3
15.3 μg/m3
15.1 μg/m3
15.2 μg/m3
NO2
0.3 ppb
0.3 ppb
1 ppb
1.8 ppb
2.5 ppb
1.7 ppb
2.1 ppb
2.4 ppb
2.5 ppb
SO2
0.3 ppb
0.4 ppb
1.5 ppb
2.5 ppb
3.7 ppb
0.8 ppb
0.8 ppb
0.7 ppb
0.5 ppb
CO
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
48.5 ppb
48.4 ppb
48.4 ppb
48.3 ppb
48.3 ppb
39.3 ppb
36.5 ppb
34 ppb
31.9 ppb