Hourly Weather in Derby, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 km/h
Light
8 km/h
Calm
6 km/h
Calm
2 km/h
Calm
8 km/h
Calm
3 km/h
Calm
8 km/h
Light
5 km/h
Calm
10 km/h
Light
Humidity
85%
Extremely humid
81%
Extremely humid
77%
Extremely humid
80%
Extremely humid
84%
Extremely humid
88%
Extremely humid
90%
Extremely humid
90%
Extremely humid
92%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
14 km
Good
14 km
Good
13 km
Good
13 km
Good
Pressure
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
51%
21%
9%
3%
89%
14%
4%
27%
84%
Dew point
25°
25°
25°
25°
25°
25°
24°
24°
24°
UV Index
2
1
1
0
0
0
0
0
0
Air quality
54
Moderate
54
Moderate
56
Moderate
57
Moderate
59
Moderate
60
Moderate
62
Moderate
52
Moderate
51
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
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
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
9.9 μg/m3
9.5 μg/m3
PM25
10.4 μg/m3
10.9 μg/m3
11.6 μg/m3
12.4 μg/m3
13.2 μg/m3
14 μg/m3
14.7 μg/m3
9.3 μg/m3
9 μg/m3
NO2
0.5 ppb
0.8 ppb
1.1 ppb
1.4 ppb
1.8 ppb
2.3 ppb
2.8 ppb
1.9 ppb
1.9 ppb
SO2
0.6 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 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
27.7 ppb
29 ppb
30.9 ppb
33.1 ppb
35.3 ppb
37.5 ppb
39.4 ppb
37.9 ppb
36.6 ppb