Stay updated with real-time air quality in Glen Carbon, 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)
42
Good
Glen Carbon, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.33 μg/m³
0
55
155
255
425
605+
44.60 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
3.43 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Glen Carbon, Illinois
Glen Carbon, Illinois
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AQI 41
Good
6.19μg/m³
PM2.5
22.16μg/m³
PM10
44.35ppb
O3
0.53ppb
SO2
3.39ppb
NO2
0.20ppm
CO
AQI 42
Good
6.30μg/m³
PM2.5
21.41μg/m³
PM10
44.97ppb
O3
0.52ppb
SO2
3.66ppb
NO2
0.20ppm
CO
AQI 42
Good
6.23μg/m³
PM2.5
21.25μg/m³
PM10
44.85ppb
O3
0.53ppb
SO2
3.48ppb
NO2
0.20ppm
CO
AQI 42
Good
6.45μg/m³
PM2.5
23.65μg/m³
PM10
44.82ppb
O3
0.46ppb
SO2
4.27ppb
NO2
0.20ppm
CO
AQI 40
Good
5.95μg/m³
PM2.5
26.92μg/m³
PM10
42.97ppb
O3
0.54ppb
SO2
3.08ppb
NO2
0.20ppm
CO
AQI 42
Good
5.97μg/m³
PM2.5
26.41μg/m³
PM10
44.55ppb
O3
0.53ppb
SO2
3.56ppb
NO2
0.20ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Glen Carbon, Illinois are available every hour.
Glen Carbon, Illinois experienced its worst air quality at 12:00:00, 2026-07-23.
The best air quality in Glen Carbon, Illinois was observed at 03:00:00 on 2026-07-23.
The air quality in Glen Carbon, Illinois right now is Good, with an AQI of 42.
In Glen Carbon, Illinois, O3 is the most frequently found pollutant.
When air quality in Glen Carbon, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Glen Carbon, Illinois currently has a PM2.5 concentration of 6.204 μg/m3.
Glen Carbon, Illinois currently has a PM10 concentration of 21.333 μg/m3.
The current carbon monoxide (CO) level in Glen Carbon, Illinois is 0.205 ppm.
The current sulfur dioxide (SO2) concentration in Glen Carbon, Illinois is 0.531 ppb.
Glen Carbon, Illinois currently has an ozone (O3) concentration of 44.6 ppm.
The current level of nitrogen dioxide (NO2) in Glen Carbon, Illinois is 3.43 ppb.
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