Hourly Weather in DeKalb County, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 km/h
Calm
9 km/h
Light
14 km/h
Light
13 km/h
Light
8 km/h
Light
7 km/h
Calm
8 km/h
Light
8 km/h
Light
6 km/h
Calm
Humidity
94%
Extremely humid
86%
Extremely humid
80%
Extremely humid
76%
Extremely humid
75%
Extremely humid
71%
Extremely humid
67%
Humid
65%
Humid
63%
Humid
Visibility
12 km
Good
15 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1009 hPa
Low
Clouds
100%
100%
100%
71%
77%
29%
100%
100%
100%
Dew point
22°
22°
22°
23°
23°
24°
24°
24°
24°
UV Index
2
3
5
7
6
4
3
4
2
Air quality
56
Moderate
56
Moderate
56
Moderate
56
Moderate
57
Moderate
57
Moderate
56
Moderate
53
Moderate
49
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
16.2 μg/m3
16.2 μg/m3
16.2 μg/m3
16.2 μg/m3
16.2 μg/m3
16.2 μg/m3
12.6 μg/m3
10.8 μg/m3
9.3 μg/m3
PM25
11.8 μg/m3
11.8 μg/m3
11.9 μg/m3
11.9 μg/m3
12 μg/m3
12.1 μg/m3
11.7 μg/m3
10.1 μg/m3
8.7 μg/m3
NO2
5.2 ppb
3.8 ppb
2.9 ppb
1.9 ppb
0.9 ppb
0.9 ppb
0.9 ppb
0.9 ppb
1.3 ppb
SO2
0.5 ppb
0.5 ppb
0.5 ppb
0.4 ppb
0.5 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 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
20.5 ppb
23.4 ppb
26.8 ppb
30.4 ppb
33.8 ppb
36.7 ppb
49.9 ppb
50.7 ppb
50 ppb