Hourly Weather in Harlem, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 km/h
Light
8 km/h
Calm
9 km/h
Light
8 km/h
Light
11 km/h
Light
10 km/h
Light
9 km/h
Light
13 km/h
Light
12 km/h
Light
Humidity
82%
Extremely humid
87%
Extremely humid
92%
Extremely humid
87%
Extremely humid
82%
Extremely humid
80%
Extremely humid
77%
Extremely humid
74%
Extremely humid
76%
Extremely humid
Visibility
16 km
Good
15 km
Good
13 km
Good
15 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1016 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
Clouds
19%
90%
63%
100%
100%
100%
100%
100%
93%
Dew point
13°
14°
16°
16°
16°
16°
17°
17°
18°
UV Index
0
0
0
0
1
2
4
5
4
Air quality
52
Moderate
54
Moderate
55
Moderate
57
Moderate
58
Moderate
34
Good
38
Good
44
Good
48
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
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
6.4 μg/m3
7.2 μg/m3
8.1 μg/m3
9.1 μg/m3
PM25
9.7 μg/m3
10.6 μg/m3
11.4 μg/m3
12.3 μg/m3
13 μg/m3
6.1 μg/m3
6.8 μg/m3
7.8 μg/m3
8.6 μg/m3
NO2
6.7 ppb
6.5 ppb
6.3 ppb
6.1 ppb
4.9 ppb
3.7 ppb
2.6 ppb
2 ppb
1.5 ppb
SO2
0.3 ppb
0.3 ppb
0.4 ppb
0.5 ppb
0.7 ppb
1 ppb
1.2 ppb
1 ppb
0.9 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
34.9 ppb
37 ppb
39.1 ppb
41.1 ppb
42.8 ppb
31.9 ppb
36.7 ppb
41.3 ppb
45.6 ppb