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)
22
Good
Mundelein, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.45 μg/m³
0
55
155
255
425
605+
23.87 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
20.13 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mundelein, Illinois
Mundelein, Illinois
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AQI 26
Good
3.31μg/m³
PM2.5
16.99μg/m³
PM10
28.32ppb
O3
0.55ppb
SO2
13.79ppb
NO2
0.21ppm
CO
AQI 24
Good
2.78μg/m³
PM2.5
16.80μg/m³
PM10
25.58ppb
O3
0.51ppb
SO2
20.03ppb
NO2
0.21ppm
CO
AQI 27
Good
2.95μg/m³
PM2.5
11.70μg/m³
PM10
29.50ppb
O3
0.48ppb
SO2
19.81ppb
NO2
0.21ppm
CO
AQI 22
Good
3.40μg/m³
PM2.5
14.31μg/m³
PM10
23.95ppb
O3
0.53ppb
SO2
14.70ppb
NO2
0.21ppm
CO
AQI 26
Good
2.92μg/m³
PM2.5
16.53μg/m³
PM10
28.05ppb
O3
0.47ppb
SO2
16.32ppb
NO2
0.21ppm
CO
AQI 24
Good
3.30μg/m³
PM2.5
12.52μg/m³
PM10
26.26ppb
O3
0.51ppb
SO2
17.29ppb
NO2
0.21ppm
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 03:00:00 on 2026-10-05.
In the last 24 hrs, the best air quality in Mundelein, Illinois was observed at 02:00:00 on 2026-10-06.
The current air quality in Mundelein, Illinois is 22, 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 3.307 μg/m3.
The current PM10 concentration at Mundelein, Illinois is 12.452 μg/m3.
The current carbon monoxide (CO) concentration at Mundelein, Illinois is 0.209 ppm.
The current sulfur dioxide (SO2) concentration at Mundelein, Illinois is 0.518 ppb.
The current ozone (O3) concentration at Mundelein, Illinois is 23.869 ppm.
The current nitrogen dioxide (NO2) concentration at Mundelein, Illinois is 20.125 ppb.
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