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)
62
Moderate
La Grange, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
68.49 μg/m³
0
55
155
255
425
605+
30.74 ppb
0
55
71
86
201
201+
2.31 ppb
0
36
76
186
605
1005+
3.31 ppb
0
54
101
361
1250
2050+
0.21 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 64
Moderate
15.69μg/m³
PM2.5
70.37μg/m³
PM10
29.48ppb
O3
2.53ppb
SO2
2.66ppb
NO2
0.21ppm
CO
AQI 64
Moderate
15.62μg/m³
PM2.5
69.97μg/m³
PM10
28.84ppb
O3
2.52ppb
SO2
2.66ppb
NO2
0.20ppm
CO
AQI 64
Moderate
15.63μg/m³
PM2.5
70.03μg/m³
PM10
28.86ppb
O3
2.52ppb
SO2
2.66ppb
NO2
0.21ppm
CO
AQI 64
Moderate
15.58μg/m³
PM2.5
69.29μg/m³
PM10
30.09ppb
O3
2.59ppb
SO2
2.65ppb
NO2
0.21ppm
CO
AQI 64
Moderate
15.62μg/m³
PM2.5
69.99μg/m³
PM10
27.99ppb
O3
2.50ppb
SO2
2.67ppb
NO2
0.20ppm
CO
AQI 64
Moderate
15.65μg/m³
PM2.5
69.71μg/m³
PM10
30.07ppb
O3
2.57ppb
SO2
2.65ppb
NO2
0.21ppm
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 2026-08-23.
In the last 24 hours, the best air quality in La Grange, Illinois was observed at 03:00:00 on 2026-08-23.
As of now, the AQI in La Grange, Illinois is 62, indicating Moderate conditions.
La Grange, Illinois air has the highest levels of PM2.5.
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 15.229 μg/m3.
The PM10 concentration in La Grange, Illinois is 68.494 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in La Grange, Illinois is 0.206 ppm.
Currently, La Grange, Illinois has a sulfur dioxide (SO2) concentration of 2.306 ppb.
The current ozone (O3) level in La Grange, Illinois at the moment is 30.74 ppm.
Nitrogen dioxide (NO2) level in La Grange, Illinois at the moment is 3.31 ppb.
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