Hourly Weather in Harper, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 km/h
Light
11 km/h
Light
10 km/h
Light
10 km/h
Light
10 km/h
Light
8 km/h
Calm
9 km/h
Light
10 km/h
Light
10 km/h
Light
Humidity
94%
Extremely humid
91%
Extremely humid
91%
Extremely humid
85%
Extremely humid
84%
Extremely humid
82%
Extremely humid
75%
Extremely humid
71%
Extremely humid
68%
Humid
Visibility
11 km
Good
13 km
Good
14 km
Good
15 km
Good
15 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1015 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
Clouds
100%
100%
100%
92%
100%
88%
76%
80%
73%
Dew point
17°
17°
17°
18°
18°
19°
19°
19°
20°
UV Index
0
1
1
3
5
3
5
7
5
Air quality
42
Good
43
Good
44
Good
45
Good
46
Good
38
Good
41
Good
44
Good
46
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
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.2 μg/m3
7 μg/m3
6.9 μg/m3
6.5 μg/m3
PM25
7.5 μg/m3
7.7 μg/m3
7.8 μg/m3
8 μg/m3
8.2 μg/m3
6.8 μg/m3
6.6 μg/m3
6.5 μg/m3
6.1 μg/m3
NO2
6.2 ppb
4.9 ppb
3.6 ppb
2.4 ppb
1.9 ppb
1.5 ppb
1 ppb
0.9 ppb
0.9 ppb
SO2
0.7 ppb
0.9 ppb
1.1 ppb
1.2 ppb
1.1 ppb
1 ppb
0.9 ppb
0.8 ppb
0.6 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
30.9 ppb
32.6 ppb
34.2 ppb
35.8 ppb
37.2 ppb
41.1 ppb
44.5 ppb
47.2 ppb
49.5 ppb