Daily Weather in Boulder, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 km/h
Light
18 km/h
Breezy
11 km/h
Light
25 km/h
Breezy
17 km/h
Breezy
9 km/h
Light
11 km/h
Light
10 km/h
Light
15 km/h
Light
Humidity
86%
Extremely humid
92%
Extremely humid
92%
Extremely humid
93%
Extremely humid
86%
Extremely humid
82%
Extremely humid
81%
Extremely humid
85%
Extremely humid
85%
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
1021 hPa
High
1017 hPa
Normal
1015 hPa
Normal
1011 hPa
Normal
1013 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
100%
100%
100%
100%
43%
2%
97%
88%
88%
Dew point
18°
24°
25°
26°
22°
21°
22°
22°
22°
UV Index
7
8
9
9
9
Air quality
47
Good
65
Moderate
66
Moderate
58
Moderate
60
Moderate
Pollen index
Tree
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
Grass
0 / 5
0 / 5
0 / 5
1 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
18.3 μg/m3
16.8 μg/m3
17.3 μg/m3
15.9 μg/m3
8.9 μg/m3
PM25
8.3 μg/m3
16.6 μg/m3
17.1 μg/m3
13 μg/m3
8 μg/m3
NO2
6.8 ppb
25.1 ppb
22 ppb
5.1 ppb
4.3 ppb
SO2
0.8 ppb
1.1 ppb
0.8 ppb
0.9 ppb
0.5 ppb
CO
0.2 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
O3
42.1 ppb
52.7 ppb
67.9 ppb
62.6 ppb
67 ppb