Stay updated with real-time air quality in La Grange, 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
La Grange, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.47 μg/m³
0
55
155
255
425
605+
18.66 ppb
0
55
71
86
201
201+
0.92 ppb
0
36
76
186
605
1005+
13.41 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
La Grange, Illinois
La Grange, Illinois
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AQI 33
Good
5.61μg/m³
PM2.5
24.29μg/m³
PM10
18.82ppb
O3
0.92ppb
SO2
13.44ppb
NO2
0.37ppm
CO
AQI 33
Good
5.56μg/m³
PM2.5
24.29μg/m³
PM10
18.99ppb
O3
0.91ppb
SO2
13.46ppb
NO2
0.36ppm
CO
AQI 33
Good
5.55μg/m³
PM2.5
24.18μg/m³
PM10
18.98ppb
O3
0.91ppb
SO2
13.49ppb
NO2
0.37ppm
CO
AQI 33
Good
5.90μg/m³
PM2.5
26.26μg/m³
PM10
19.05ppb
O3
0.92ppb
SO2
12.98ppb
NO2
0.38ppm
CO
AQI 27
Good
5.46μg/m³
PM2.5
23.84μg/m³
PM10
18.98ppb
O3
0.91ppb
SO2
13.61ppb
NO2
0.35ppm
CO
AQI 33
Good
5.85μg/m³
PM2.5
25.83μg/m³
PM10
18.90ppb
O3
0.92ppb
SO2
13.07ppb
NO2
0.38ppm
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 La Grange, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in La Grange, Illinois was at its worst at 06:00:00 on 2025-09-05.
In the last 24 hours, the best air quality in La Grange, Illinois was observed at 03:00:00 on 2025-09-06.
As of now, the AQI in La Grange, Illinois is 22, indicating Good conditions.
La Grange, Illinois air has the highest levels of O3.
Poor air quality in La Grange, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in La Grange, Illinois are currently 3.168 μg/m3.
The PM10 concentration in La Grange, Illinois is 14.156 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in La Grange, Illinois is 0.207 ppm.
Currently, La Grange, Illinois has a sulfur dioxide (SO2) concentration of 0.815 ppb.
The current ozone (O3) level in La Grange, Illinois at the moment is 24.424 ppm.
Nitrogen dioxide (NO2) level in La Grange, Illinois at the moment is 7.813 ppb.
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