Hourly Weather in Princeton, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 km/h
Light
8 km/h
Light
8 km/h
Calm
8 km/h
Calm
7 km/h
Calm
9 km/h
Light
7 km/h
Calm
6 km/h
Calm
7 km/h
Calm
Humidity
50%
Comfortable
55%
Comfortable
60%
Humid
66%
Humid
72%
Extremely humid
76%
Extremely humid
77%
Extremely humid
73%
Extremely humid
72%
Extremely humid
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
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
Clouds
0%
2%
50%
9%
12%
2%
2%
100%
100%
Dew point
13°
13°
14°
15°
15°
16°
16°
15°
15°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
41
Good
40
Good
39
Good
38
Good
52
Moderate
50
Moderate
43
Good
37
Good
38
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
22.6 μg/m3
22.6 μg/m3
22.6 μg/m3
22.6 μg/m3
10.1 μg/m3
9.5 μg/m3
8.1 μg/m3
7.1 μg/m3
7 μg/m3
PM25
5 μg/m3
4.7 μg/m3
4.4 μg/m3
4.2 μg/m3
9.5 μg/m3
8.9 μg/m3
7.6 μg/m3
6.7 μg/m3
6.7 μg/m3
NO2
5.1 ppb
8.1 ppb
11.2 ppb
11.1 ppb
9.3 ppb
8.5 ppb
8.2 ppb
7.9 ppb
7.6 ppb
SO2
0.4 ppb
0.4 ppb
0.6 ppb
0.6 ppb
0.7 ppb
0.8 ppb
0.7 ppb
0.7 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
43.7 ppb
42.6 ppb
41.7 ppb
40.8 ppb
34.8 ppb
32.3 ppb
30.2 ppb
28.3 ppb
26.5 ppb