Hourly Weather in Zion, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 mph
Breezy
9 mph
Light
9 mph
Light
9 mph
Light
8 mph
Light
8 mph
Light
7 mph
Light
5 mph
Calm
5 mph
Calm
Humidity
84%
Extremely humid
76%
Extremely humid
64%
Humid
53%
Comfortable
50%
Comfortable
54%
Comfortable
61%
Humid
71%
Extremely humid
78%
Extremely humid
Visibility
5 mi
Fair
7 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1012 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
Clouds
100%
100%
80%
72%
100%
97%
91%
81%
85%
Dew point
46°
45°
43°
41°
39°
40°
42°
42°
42°
UV Index
5
4
3
2
1
0
0
0
0
Air quality
30
Good
31
Good
33
Good
34
Good
34
Good
32
Good
31
Good
29
Good
27
Good
Pollen index
Tree
2 / 5
2 / 5
2 / 5
3 / 5
4 / 5
3 / 5
4 / 5
3 / 5
3 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
2 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.25 μg/ft3
0.23 μg/ft3
0.23 μg/ft3
0.23 μg/ft3
0.24 μg/ft3
0.24 μg/ft3
0.24 μg/ft3
0.23 μg/ft3
0.21 μg/ft3
PM25
0.17 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
0.16 μg/ft3
0.15 μg/ft3
NO2
2.5 ppb
2.67 ppb
2.84 ppb
3 ppb
4.6 ppb
6.19 ppb
7.79 ppb
7.48 ppb
7.17 ppb
SO2
0.72 ppb
0.75 ppb
0.77 ppb
0.79 ppb
0.78 ppb
0.77 ppb
0.76 ppb
0.72 ppb
0.68 ppb
CO
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.15 ppb
0.16 ppb
0.17 ppb
0.16 ppb
0.16 ppb
O3
36.83 ppb
37.31 ppb
37.79 ppb
38.27 ppb
35.22 ppb
32.16 ppb
29.1 ppb
27.7 ppb
26.3 ppb