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
15.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
68.44 μg/m³
0
55
155
255
425
605+
35.03 ppb
0
55
71
86
201
201+
2.10 ppb
0
36
76
186
605
1005+
12.24 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Summit, Illinois
Summit, Illinois
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AQI 71
Moderate
19.74μg/m³
PM2.5
87.17μg/m³
PM10
28.30ppb
O3
3.09ppb
SO2
22.82ppb
NO2
0.21ppm
CO
AQI 71
Moderate
19.68μg/m³
PM2.5
86.84μg/m³
PM10
27.53ppb
O3
3.13ppb
SO2
22.56ppb
NO2
0.21ppm
CO
AQI 64
Moderate
15.72μg/m³
PM2.5
69.46μg/m³
PM10
28.95ppb
O3
2.98ppb
SO2
20.39ppb
NO2
0.21ppm
CO
AQI 64
Moderate
16.09μg/m³
PM2.5
71.08μg/m³
PM10
28.77ppb
O3
2.98ppb
SO2
20.31ppb
NO2
0.21ppm
CO
AQI 69
Moderate
18.65μg/m³
PM2.5
82.31μg/m³
PM10
27.77ppb
O3
3.10ppb
SO2
21.89ppb
NO2
0.21ppm
CO
AQI 69
Moderate
19.23μg/m³
PM2.5
84.67μg/m³
PM10
25.48ppb
O3
3.19ppb
SO2
21.11ppb
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 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 2026-10-22.
In the last 24 hrs, the best air quality in Summit, Illinois was observed at 03:00:00 on 2026-10-22.
The current air quality in Summit, Illinois is 62, categorized as Moderate 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 15.334 μg/m3.
The current PM10 concentration at Summit, Illinois is 68.444 μg/m3.
The current carbon monoxide (CO) concentration at Summit, Illinois is 0.212 ppm.
The current sulfur dioxide (SO2) concentration at Summit, Illinois is 2.098 ppb.
The current ozone (O3) concentration at Summit, Illinois is 35.032 ppm.
The current nitrogen dioxide (NO2) concentration at Summit, Illinois is 12.244 ppb.
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