Stay updated with real-time air quality in Homer Glen, 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)
21
Good
Homer Glen, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.47 μg/m³
0
55
155
255
425
605+
22.88 ppb
0
55
71
86
201
201+
1.76 ppb
0
36
76
186
605
1005+
9.75 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Homer Glen, Illinois
Homer Glen, Illinois
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AQI 22
Good
3.89μg/m³
PM2.5
17.33μg/m³
PM10
10.31ppb
O3
0.78ppb
SO2
10.19ppb
NO2
0.30ppm
CO
AQI 22
Good
3.84μg/m³
PM2.5
16.92μg/m³
PM10
10.88ppb
O3
0.77ppb
SO2
9.43ppb
NO2
0.30ppm
CO
AQI 22
Good
3.84μg/m³
PM2.5
16.57μg/m³
PM10
6.00ppb
O3
0.77ppb
SO2
9.34ppb
NO2
0.28ppm
CO
AQI 22
Good
3.62μg/m³
PM2.5
15.83μg/m³
PM10
8.57ppb
O3
0.76ppb
SO2
8.97ppb
NO2
0.26ppm
CO
AQI 22
Good
3.81μg/m³
PM2.5
16.66μg/m³
PM10
11.35ppb
O3
0.76ppb
SO2
9.37ppb
NO2
0.28ppm
CO
AQI 22
Good
3.85μg/m³
PM2.5
16.92μg/m³
PM10
5.84ppb
O3
0.80ppb
SO2
10.08ppb
NO2
0.30ppm
CO
Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Homer Glen, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Homer Glen, Illinois was at its worst at 03:00:00 on 2025-10-23.
In the last 24 hours, the best air quality in Homer Glen, Illinois was observed at 09:00:00 on 2025-10-23.
As of now, the AQI in Homer Glen, Illinois is 16, indicating Good conditions.
Homer Glen, Illinois air has the highest levels of PM2.5.
Poor air quality in Homer Glen, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Homer Glen, Illinois are currently 3.422 μg/m3.
The PM10 concentration in Homer Glen, Illinois is 15.649 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Homer Glen, Illinois is 0.24 ppm.
Currently, Homer Glen, Illinois has a sulfur dioxide (SO2) concentration of 1.536 ppb.
The current ozone (O3) level in Homer Glen, Illinois at the moment is 9.31 ppm.
Nitrogen dioxide (NO2) level in Homer Glen, Illinois at the moment is 7.31 ppb.
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