Hourly Weather in Gretna, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 km/h
Light
11 km/h
Light
11 km/h
Light
10 km/h
Light
8 km/h
Calm
8 km/h
Light
4 km/h
Calm
10 km/h
Light
11 km/h
Light
Humidity
53%
Comfortable
52%
Comfortable
55%
Comfortable
60%
Humid
60%
Humid
60%
Humid
63%
Humid
56%
Comfortable
51%
Comfortable
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
1007 hPa
Low
1006 hPa
Low
1007 hPa
Low
1008 hPa
Low
1007 hPa
Low
1008 hPa
Low
1008 hPa
Low
1009 hPa
Low
1010 hPa
Normal
Clouds
0%
7%
12%
67%
0%
100%
0%
0%
0%
Dew point
15°
13°
13°
13°
13°
13°
13°
14°
14°
UV Index
0
0
0
0
0
0
1
1
3
Air quality
42
Good
42
Good
43
Good
81
Moderate
81
Moderate
81
Moderate
81
Moderate
55
Moderate
60
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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
6.6 μg/m3
6.6 μg/m3
6.7 μg/m3
115 μg/m3
115 μg/m3
115 μg/m3
115 μg/m3
11.1 μg/m3
14.2 μg/m3
PM25
7.4 μg/m3
7.5 μg/m3
7.6 μg/m3
7.8 μg/m3
7.9 μg/m3
8.1 μg/m3
8.2 μg/m3
11 μg/m3
14 μg/m3
NO2
2.7 ppb
2.6 ppb
2.6 ppb
2.7 ppb
2.8 ppb
2.8 ppb
2.3 ppb
1.8 ppb
1.2 ppb
SO2
0.4 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 ppb
CO
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
O3
44.3 ppb
44.4 ppb
44.6 ppb
44.8 ppb
45 ppb
45.2 ppb
45.3 ppb
33.6 ppb
35.5 ppb