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)
27
Good
Mundelein, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.85 μg/m³
0
55
155
255
425
605+
28.74 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
5.56 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Mundelein, Illinois
Mundelein, Illinois
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AQI 22
Good
4.13μg/m³
PM2.5
13.90μg/m³
PM10
21.00ppb
O3
0.88ppb
SO2
5.26ppb
NO2
0.23ppm
CO
AQI 27
Good
4.63μg/m³
PM2.5
18.89μg/m³
PM10
23.62ppb
O3
0.87ppb
SO2
5.43ppb
NO2
0.23ppm
CO
AQI 22
Good
4.24μg/m³
PM2.5
16.89μg/m³
PM10
23.50ppb
O3
0.87ppb
SO2
5.55ppb
NO2
0.23ppm
CO
AQI 22
Good
4.18μg/m³
PM2.5
17.60μg/m³
PM10
21.44ppb
O3
0.88ppb
SO2
5.33ppb
NO2
0.23ppm
CO
AQI 23
Good
4.41μg/m³
PM2.5
19.43μg/m³
PM10
25.45ppb
O3
0.87ppb
SO2
5.49ppb
NO2
0.24ppm
CO
AQI 22
Good
4.17μg/m³
PM2.5
19.68μg/m³
PM10
23.83ppb
O3
0.88ppb
SO2
5.46ppb
NO2
0.23ppm
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 06:00:00 on 2025-09-08.
In the last 24 hrs, the best air quality in Mundelein, Illinois was observed at 02:00:00 on 2025-09-08.
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 PM2.5.
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 3.918 μg/m3.
The current PM10 concentration at Mundelein, Illinois is 15.727 μg/m3.
The current carbon monoxide (CO) concentration at Mundelein, Illinois is 0.229 ppm.
The current sulfur dioxide (SO2) concentration at Mundelein, Illinois is 0.796 ppb.
The current ozone (O3) concentration at Mundelein, Illinois is 22.781 ppm.
The current nitrogen dioxide (NO2) concentration at Mundelein, Illinois is 4.803 ppb.
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