Hourly Weather in Round Knob, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
0 km/h
Calm
6 km/h
Calm
4 km/h
Calm
6 km/h
Calm
8 km/h
Light
6 km/h
Calm
6 km/h
Calm
5 km/h
Calm
5 km/h
Calm
Humidity
78%
Extremely humid
76%
Extremely humid
81%
Extremely humid
84%
Extremely humid
90%
Extremely humid
91%
Extremely humid
90%
Extremely humid
93%
Extremely humid
93%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
14 km
Good
13 km
Good
13 km
Good
13 km
Good
13 km
Good
Pressure
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
Clouds
16%
9%
14%
0%
1%
21%
13%
83%
97%
Dew point
26°
25°
25°
25°
25°
25°
24°
25°
25°
UV Index
1
0
0
0
0
0
0
0
0
Air quality
54
Moderate
55
Moderate
56
Moderate
58
Moderate
61
Moderate
63
Moderate
65
Moderate
67
Moderate
47
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
8.5 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
8.8 μg/m3
PM25
10.7 μg/m3
11.1 μg/m3
11.8 μg/m3
12.9 μg/m3
14.1 μg/m3
15.3 μg/m3
16.5 μg/m3
17.5 μg/m3
8.4 μg/m3
NO2
1.3 ppb
1.6 ppb
2.5 ppb
3.4 ppb
4.4 ppb
4.8 ppb
5.3 ppb
5.8 ppb
5.7 ppb
SO2
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 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
31.3 ppb
32.1 ppb
33.6 ppb
35.8 ppb
38.2 ppb
40.8 ppb
43.3 ppb
45.4 ppb
24.8 ppb