Stay updated with real-time air quality in Matteson, 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)
46
Good
Matteson, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.51 μg/m³
0
55
155
255
425
605+
50.06 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
3.42 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Matteson, Illinois
Matteson, Illinois
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AQI 48
Good
3.52μg/m³
PM2.5
14.99μg/m³
PM10
52.30ppb
O3
0.36ppb
SO2
2.56ppb
NO2
0.18ppm
CO
AQI 48
Good
3.52μg/m³
PM2.5
14.99μg/m³
PM10
52.30ppb
O3
0.36ppb
SO2
2.56ppb
NO2
0.18ppm
CO
AQI 48
Good
3.68μg/m³
PM2.5
15.98μg/m³
PM10
51.85ppb
O3
0.37ppb
SO2
2.18ppb
NO2
0.19ppm
CO
AQI 46
Good
3.52μg/m³
PM2.5
13.17μg/m³
PM10
49.86ppb
O3
0.36ppb
SO2
2.48ppb
NO2
0.19ppm
CO
AQI 48
Good
3.66μg/m³
PM2.5
11.32μg/m³
PM10
52.49ppb
O3
0.36ppb
SO2
2.48ppb
NO2
0.19ppm
CO
AQI 46
Good
3.92μg/m³
PM2.5
15.39μg/m³
PM10
50.25ppb
O3
0.36ppb
SO2
2.38ppb
NO2
0.19ppm
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 Matteson, Illinois is updated every hour.
The worst air quality in Matteson, Illinois in the last 24 hours was observed at 08:00:00 on 2026-06-10.
In the last 24 hrs, the best air quality in Matteson, Illinois was observed at 04:00:00 on 2026-06-11.
The current air quality in Matteson, Illinois is 51, categorized as Moderate based on real-time data.
The most common pollutant in Matteson, Illinois is O3.
If the air quality in Matteson, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Matteson, Illinois is 3.713 μg/m3.
The current PM10 concentration at Matteson, Illinois is 18.272 μg/m3.
The current carbon monoxide (CO) concentration at Matteson, Illinois is 0.194 ppm.
The current sulfur dioxide (SO2) concentration at Matteson, Illinois is 0.347 ppb.
The current ozone (O3) concentration at Matteson, Illinois is 54.831 ppm.
The current nitrogen dioxide (NO2) concentration at Matteson, Illinois is 6.484 ppb.
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