Stay updated with real-time air quality in Summit, 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)
62
Moderate
Summit, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
58.99 μg/m³
0
55
155
255
425
605+
3.50 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
13.79 ppb
0
54
101
361
1250
2050+
0.47 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Summit, Illinois
Summit, Illinois
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AQI 16
Good
2.69μg/m³
PM2.5
11.37μg/m³
PM10
13.33ppb
O3
0.51ppb
SO2
3.80ppb
NO2
0.26ppm
CO
AQI 16
Good
2.64μg/m³
PM2.5
11.10μg/m³
PM10
13.56ppb
O3
0.51ppb
SO2
3.83ppb
NO2
0.26ppm
CO
AQI 16
Good
2.53μg/m³
PM2.5
10.24μg/m³
PM10
13.05ppb
O3
0.51ppb
SO2
3.80ppb
NO2
0.26ppm
CO
AQI 16
Good
2.54μg/m³
PM2.5
10.33μg/m³
PM10
13.04ppb
O3
0.51ppb
SO2
3.79ppb
NO2
0.26ppm
CO
AQI 16
Good
2.59μg/m³
PM2.5
10.80μg/m³
PM10
13.47ppb
O3
0.51ppb
SO2
3.83ppb
NO2
0.26ppm
CO
AQI 13
Good
2.50μg/m³
PM2.5
10.43μg/m³
PM10
14.01ppb
O3
0.51ppb
SO2
3.93ppb
NO2
0.26ppm
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 Summit, Illinois is updated every hour.
The worst air quality in Summit, Illinois in the last 24 hours was observed at 03:00:00 on 2025-10-22.
In the last 24 hrs, the best air quality in Summit, Illinois was observed at 10:00:00 on 2025-10-22.
The current air quality in Summit, Illinois is 16, categorized as Good based on real-time data.
The most common pollutant in Summit, Illinois is PM2.5.
If the air quality in Summit, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Summit, Illinois is 2.663 μg/m3.
The current PM10 concentration at Summit, Illinois is 11.119 μg/m3.
The current carbon monoxide (CO) concentration at Summit, Illinois is 0.257 ppm.
The current sulfur dioxide (SO2) concentration at Summit, Illinois is 0.513 ppb.
The current ozone (O3) concentration at Summit, Illinois is 13.257 ppm.
The current nitrogen dioxide (NO2) concentration at Summit, Illinois is 3.799 ppb.
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