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)
122
Unhealthy for sensitive groups
Summit, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
44.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
197.48 μg/m³
0
55
155
255
425
605+
16.39 ppb
0
55
71
86
201
201+
1.30 ppb
0
36
76
186
605
1005+
14.84 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Summit, Illinois
Summit, Illinois
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AQI 124
Unhealthy for sensitive groups
44.73μg/m³
PM2.5
200.44μg/m³
PM10
9.28ppb
O3
1.02ppb
SO2
13.98ppb
NO2
0.38ppm
CO
AQI 122
Unhealthy for sensitive groups
44.06μg/m³
PM2.5
197.09μg/m³
PM10
9.18ppb
O3
1.06ppb
SO2
13.98ppb
NO2
0.38ppm
CO
AQI 119
Unhealthy for sensitive groups
42.94μg/m³
PM2.5
192.07μg/m³
PM10
8.86ppb
O3
0.97ppb
SO2
13.96ppb
NO2
0.38ppm
CO
AQI 120
Unhealthy for sensitive groups
43.09μg/m³
PM2.5
192.75μg/m³
PM10
9.26ppb
O3
0.98ppb
SO2
13.90ppb
NO2
0.38ppm
CO
AQI 122
Unhealthy for sensitive groups
43.64μg/m³
PM2.5
195.15μg/m³
PM10
9.23ppb
O3
1.04ppb
SO2
13.97ppb
NO2
0.39ppm
CO
AQI 117
Unhealthy for sensitive groups
41.71μg/m³
PM2.5
185.45μg/m³
PM10
8.79ppb
O3
1.17ppb
SO2
13.98ppb
NO2
0.39ppm
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 01:00:00 on 2025-07-14.
In the last 24 hrs, the best air quality in Summit, Illinois was observed at 02:00:00 on 2025-07-13.
The current air quality in Summit, Illinois is 122, categorized as Unhealthy for Sensitive Groups based on real-time data.
The most common pollutant in Summit, Illinois is PM10.
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 44.191 μg/m3.
The current PM10 concentration at Summit, Illinois is 197.48 μg/m3.
The current carbon monoxide (CO) concentration at Summit, Illinois is 0.367 ppm.
The current sulfur dioxide (SO2) concentration at Summit, Illinois is 1.302 ppb.
The current ozone (O3) concentration at Summit, Illinois is 16.394 ppm.
The current nitrogen dioxide (NO2) concentration at Summit, Illinois is 14.838 ppb.
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