Stay updated with real-time air quality in Mundelein, Illinois featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
24
Good
Mundelein, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.02 μg/m³
0
55
155
255
425
605+
25.75 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
3.25 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mundelein, Illinois
Mundelein, Illinois
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AQI 16
Good
2.77μg/m³
PM2.5
7.25μg/m³
PM10
14.48ppb
O3
1.36ppb
SO2
4.46ppb
NO2
0.25ppm
CO
AQI 16
Good
2.66μg/m³
PM2.5
7.34μg/m³
PM10
14.62ppb
O3
1.34ppb
SO2
4.64ppb
NO2
0.26ppm
CO
AQI 16
Good
2.81μg/m³
PM2.5
8.88μg/m³
PM10
14.67ppb
O3
1.32ppb
SO2
4.80ppb
NO2
0.26ppm
CO
AQI 16
Good
3.02μg/m³
PM2.5
9.97μg/m³
PM10
13.46ppb
O3
1.35ppb
SO2
4.56ppb
NO2
0.25ppm
CO
AQI 16
Good
2.66μg/m³
PM2.5
7.62μg/m³
PM10
14.55ppb
O3
1.32ppb
SO2
4.37ppb
NO2
0.26ppm
CO
AQI 16
Good
2.96μg/m³
PM2.5
9.85μg/m³
PM10
13.43ppb
O3
1.34ppb
SO2
4.64ppb
NO2
0.25ppm
CO
Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Mundelein, Illinois is updated every hour.
The worst air quality in Mundelein, Illinois in the last 24 hours was observed at 07:00:00 on 2025-10-22.
In the last 24 hrs, the best air quality in Mundelein, Illinois was observed at 12:00:00 on 2025-10-23.
The current air quality in Mundelein, Illinois is 17, categorized as Good based on real-time data.
The most common pollutant in Mundelein, Illinois is O3.
If the air quality in Mundelein, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Mundelein, Illinois is 2.876 μg/m3.
The current PM10 concentration at Mundelein, Illinois is 12.903 μg/m3.
The current carbon monoxide (CO) concentration at Mundelein, Illinois is 0.162 ppm.
The current sulfur dioxide (SO2) concentration at Mundelein, Illinois is 1.003 ppb.
The current ozone (O3) concentration at Mundelein, Illinois is 17.903 ppm.
The current nitrogen dioxide (NO2) concentration at Mundelein, Illinois is 5.243 ppb.
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