Hourly Weather in Mason, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 km/h
Light
9 km/h
Light
10 km/h
Light
13 km/h
Light
6 km/h
Calm
7 km/h
Calm
3 km/h
Calm
2 km/h
Calm
2 km/h
Calm
Humidity
94%
Extremely humid
94%
Extremely humid
92%
Extremely humid
88%
Extremely humid
89%
Extremely humid
85%
Extremely humid
82%
Extremely humid
77%
Extremely humid
72%
Extremely humid
Visibility
12 km
Good
12 km
Good
13 km
Good
14 km
Good
14 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
Clouds
100%
99%
100%
100%
96%
89%
92%
37%
16%
Dew point
19°
19°
20°
21°
21°
22°
23°
23°
23°
UV Index
1
4
5
5
4
4
3
2
1
Air quality
48
Good
52
Moderate
54
Moderate
55
Moderate
44
Good
45
Good
45
Good
44
Good
44
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
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
8 μg/m3
6.6 μg/m3
5.5 μg/m3
4.6 μg/m3
4 μg/m3
PM25
8.5 μg/m3
9.5 μg/m3
10.5 μg/m3
11.3 μg/m3
7.5 μg/m3
6.3 μg/m3
5.2 μg/m3
4.4 μg/m3
3.8 μg/m3
NO2
2.5 ppb
1.7 ppb
1.4 ppb
1.1 ppb
0.7 ppb
0.8 ppb
0.8 ppb
0.8 ppb
1.1 ppb
SO2
0.8 ppb
0.8 ppb
0.7 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.4 ppb
0.4 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 ppb
33.9 ppb
35.6 ppb
37.2 ppb
47.7 ppb
48.2 ppb
48.2 ppb
47.9 ppb
47.5 ppb