Hourly Weather in Expansion, Missouri, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 km/h
Calm
7 km/h
Calm
16 km/h
Light
19 km/h
Breezy
19 km/h
Breezy
13 km/h
Light
10 km/h
Light
11 km/h
Light
10 km/h
Light
Humidity
82%
Extremely humid
78%
Extremely humid
61%
Humid
53%
Comfortable
53%
Comfortable
50%
Comfortable
47%
Comfortable
47%
Comfortable
45%
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
1009 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1009 hPa
Normal
1009 hPa
Normal
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
21°
21°
20°
19°
20°
20°
20°
21°
21°
UV Index
0
0
1
2
5
7
9
10
9
Air quality
56
Moderate
57
Moderate
59
Moderate
60
Moderate
61
Moderate
42
Good
46
Good
50
Moderate
52
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
0 / 5
Pollutants
Low risk
High risk
PM10
36.7 μg/m3
36.7 μg/m3
36.7 μg/m3
36.7 μg/m3
36.7 μg/m3
5.8 μg/m3
5.7 μg/m3
5.6 μg/m3
5.5 μg/m3
PM25
11.9 μg/m3
12.5 μg/m3
13.2 μg/m3
13.9 μg/m3
14.6 μg/m3
5.2 μg/m3
5.1 μg/m3
5 μg/m3
4.9 μg/m3
NO2
2 ppb
2 ppb
1.7 ppb
1.4 ppb
1 ppb
0.9 ppb
0.7 ppb
0.6 ppb
0.6 ppb
SO2
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.5 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
0.1 ppb
0.1 ppb
O3
23 ppb
26.3 ppb
30.1 ppb
34 ppb
37.8 ppb
45.1 ppb
49.8 ppb
53.9 ppb
55.9 ppb