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)
67
Moderate
Summit, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
17.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
78.60 μg/m³
0
55
155
255
425
605+
42.01 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
3.76 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Summit, Illinois
Summit, Illinois
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AQI 69
Moderate
19.00μg/m³
PM2.5
84.28μg/m³
PM10
45.29ppb
O3
0.40ppb
SO2
4.47ppb
NO2
0.23ppm
CO
AQI 67
Moderate
18.41μg/m³
PM2.5
81.64μg/m³
PM10
44.95ppb
O3
0.39ppb
SO2
4.47ppb
NO2
0.23ppm
CO
AQI 67
Moderate
17.99μg/m³
PM2.5
79.84μg/m³
PM10
45.83ppb
O3
0.40ppb
SO2
4.47ppb
NO2
0.23ppm
CO
AQI 67
Moderate
18.32μg/m³
PM2.5
81.23μg/m³
PM10
44.91ppb
O3
0.40ppb
SO2
4.47ppb
NO2
0.23ppm
CO
AQI 67
Moderate
18.26μg/m³
PM2.5
80.97μg/m³
PM10
44.88ppb
O3
0.39ppb
SO2
4.47ppb
NO2
0.23ppm
CO
AQI 66
Moderate
16.72μg/m³
PM2.5
74.10μg/m³
PM10
43.30ppb
O3
0.37ppb
SO2
4.48ppb
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 Summit, Illinois is updated every hour.
The worst air quality in Summit, Illinois in the last 24 hours was observed at 11:00:00 on 2025-07-22.
In the last 24 hrs, the best air quality in Summit, Illinois was observed at 11:00:00 on 2025-07-23.
The current air quality in Summit, Illinois is 67, 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 18.471 μg/m3.
The current PM10 concentration at Summit, Illinois is 81.347 μg/m3.
The current carbon monoxide (CO) concentration at Summit, Illinois is 0.194 ppm.
The current sulfur dioxide (SO2) concentration at Summit, Illinois is 0.335 ppb.
The current ozone (O3) concentration at Summit, Illinois is 43.857 ppm.
The current nitrogen dioxide (NO2) concentration at Summit, Illinois is 3.881 ppb.
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