Hourly Weather in Prospect Heights, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 km/h
Calm
10 km/h
Light
11 km/h
Light
10 km/h
Light
9 km/h
Light
11 km/h
Light
17 km/h
Breezy
15 km/h
Light
15 km/h
Light
Humidity
47%
Comfortable
40%
Dry
38%
Dry
37%
Dry
37%
Dry
35%
Dry
39%
Dry
38%
Dry
39%
Dry
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
1021 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
High
1019 hPa
High
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
Clouds
100%
100%
25%
29%
24%
19%
26%
23%
11%
Dew point
10°
9°
9°
9°
10°
9°
10°
10°
11°
UV Index
2
4
5
4
4
4
4
3
2
Air quality
44
Good
43
Good
40
Good
38
Good
37
Good
42
Good
68
Moderate
68
Moderate
69
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
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
19 μg/m3
19.5 μg/m3
19.8 μg/m3
PM25
7.9 μg/m3
7.6 μg/m3
7.2 μg/m3
6.8 μg/m3
6.5 μg/m3
6.2 μg/m3
17.8 μg/m3
18.3 μg/m3
18.6 μg/m3
NO2
11 ppb
6.2 ppb
5.1 ppb
3.9 ppb
2.8 ppb
2.5 ppb
2.5 ppb
2.1 ppb
2.5 ppb
SO2
2.2 ppb
2.4 ppb
2.1 ppb
1.9 ppb
1.6 ppb
1.5 ppb
1.4 ppb
1.2 ppb
1.1 ppb
CO
0.2 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
18.3 ppb
23.2 ppb
28.8 ppb
34.8 ppb
40.4 ppb
45.3 ppb
52.6 ppb
56 ppb
57.5 ppb