Hourly Weather in Princeton, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 km/h
Calm
8 km/h
Light
12 km/h
Light
10 km/h
Light
11 km/h
Light
12 km/h
Light
11 km/h
Light
11 km/h
Light
10 km/h
Light
Humidity
90%
Extremely humid
92%
Extremely humid
83%
Extremely humid
77%
Extremely humid
71%
Extremely humid
65%
Humid
58%
Comfortable
52%
Comfortable
45%
Comfortable
Visibility
14 km
Good
13 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1008 hPa
Low
1009 hPa
Low
1009 hPa
Normal
1009 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
3%
2%
11%
17%
6%
3%
3%
5%
0%
Dew point
22°
22°
21°
20°
20°
20°
19°
18°
17°
UV Index
0
0
1
2
4
4
3
4
5
Air quality
64
Moderate
63
Moderate
62
Moderate
61
Moderate
59
Moderate
58
Moderate
57
Moderate
49
Good
49
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
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
29.1 μg/m3
9.4 μg/m3
9.4 μg/m3
PM25
15.8 μg/m3
15.3 μg/m3
14.8 μg/m3
14.1 μg/m3
13.5 μg/m3
12.8 μg/m3
12.3 μg/m3
8.7 μg/m3
8.8 μg/m3
NO2
2.3 ppb
2.3 ppb
1.9 ppb
1.5 ppb
1.1 ppb
0.9 ppb
0.8 ppb
1.1 ppb
1 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 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
24.4 ppb
25.8 ppb
27.7 ppb
29.9 ppb
32.1 ppb
34.3 ppb
36.2 ppb
45.7 ppb
47.9 ppb