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)
33
Good
Glen Carbon, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.96 μg/m³
0
55
155
255
425
605+
35.74 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
2.12 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Glen Carbon, Illinois
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AQI 33
Good
1.20μg/m³
PM2.5
6.57μg/m³
PM10
35.76ppb
O3
0.40ppb
SO2
2.12ppb
NO2
0.16ppm
CO
AQI 32
Good
1.33μg/m³
PM2.5
7.00μg/m³
PM10
35.34ppb
O3
0.40ppb
SO2
2.15ppb
NO2
0.16ppm
CO
AQI 33
Good
1.23μg/m³
PM2.5
7.22μg/m³
PM10
35.56ppb
O3
0.40ppb
SO2
2.12ppb
NO2
0.16ppm
CO
AQI 31
Good
1.76μg/m³
PM2.5
5.73μg/m³
PM10
34.47ppb
O3
0.41ppb
SO2
2.28ppb
NO2
0.17ppm
CO
AQI 33
Good
0.93μg/m³
PM2.5
4.03μg/m³
PM10
35.97ppb
O3
0.41ppb
SO2
2.13ppb
NO2
0.15ppm
CO
AQI 31
Good
1.75μg/m³
PM2.5
6.47μg/m³
PM10
33.76ppb
O3
0.40ppb
SO2
2.10ppb
NO2
0.16ppm
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, 2026-03-15.
The best air quality in Glen Carbon, Illinois was observed at 04:00:00 on 2026-03-16.
The air quality in Glen Carbon, Illinois right now is Good, with an AQI of 33.
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 1.229 μg/m3.
Glen Carbon, Illinois currently has a PM10 concentration of 6.956 μg/m3.
The current carbon monoxide (CO) level in Glen Carbon, Illinois is 0.158 ppm.
The current sulfur dioxide (SO2) concentration in Glen Carbon, Illinois is 0.401 ppb.
Glen Carbon, Illinois currently has an ozone (O3) concentration of 35.741 ppm.
The current level of nitrogen dioxide (NO2) in Glen Carbon, Illinois is 2.119 ppb.
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