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)
27
Good
Glen Carbon, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.08 μg/m³
0
55
155
255
425
605+
21.66 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
4.25 ppb
0
54
101
361
1250
2050+
0.12 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 33
Good
5.54μg/m³
PM2.5
20.51μg/m³
PM10
21.76ppb
O3
0.51ppb
SO2
4.28ppb
NO2
0.12ppm
CO
AQI 27
Good
5.01μg/m³
PM2.5
17.70μg/m³
PM10
21.21ppb
O3
0.52ppb
SO2
4.17ppb
NO2
0.12ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
17.94μg/m³
PM10
21.46ppb
O3
0.52ppb
SO2
4.23ppb
NO2
0.12ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
23.41μg/m³
PM10
20.04ppb
O3
0.50ppb
SO2
3.99ppb
NO2
0.11ppm
CO
AQI 38
Good
6.61μg/m³
PM2.5
29.76μg/m³
PM10
22.80ppb
O3
0.48ppb
SO2
4.45ppb
NO2
0.12ppm
CO
AQI 22
Good
4.09μg/m³
PM2.5
19.14μg/m³
PM10
20.20ppb
O3
0.54ppb
SO2
4.04ppb
NO2
0.12ppm
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 05:00:00, 2026-06-07.
The best air quality in Glen Carbon, Illinois was observed at 09:00:00 on 2026-06-08.
The air quality in Glen Carbon, Illinois right now is Good, with an AQI of 27.
In Glen Carbon, Illinois, PM2.5 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 5.367 μg/m3.
Glen Carbon, Illinois currently has a PM10 concentration of 19.082 μg/m3.
The current carbon monoxide (CO) level in Glen Carbon, Illinois is 0.117 ppm.
The current sulfur dioxide (SO2) concentration in Glen Carbon, Illinois is 0.513 ppb.
Glen Carbon, Illinois currently has an ozone (O3) concentration of 21.664 ppm.
The current level of nitrogen dioxide (NO2) in Glen Carbon, Illinois is 4.251 ppb.
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