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)
64
Moderate
La Grange, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
69.36 μg/m³
0
55
155
255
425
605+
14.40 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
12.57 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
La Grange, Illinois
La Grange, Illinois
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AQI 49
Good
8.71μg/m³
PM2.5
38.05μg/m³
PM10
20.85ppb
O3
0.80ppb
SO2
9.50ppb
NO2
0.22ppm
CO
AQI 49
Good
8.63μg/m³
PM2.5
37.66μg/m³
PM10
21.50ppb
O3
0.79ppb
SO2
9.36ppb
NO2
0.22ppm
CO
AQI 49
Good
8.72μg/m³
PM2.5
38.11μg/m³
PM10
20.83ppb
O3
0.81ppb
SO2
9.62ppb
NO2
0.22ppm
CO
AQI 49
Good
8.69μg/m³
PM2.5
37.78μg/m³
PM10
20.71ppb
O3
0.81ppb
SO2
9.34ppb
NO2
0.22ppm
CO
AQI 49
Good
8.80μg/m³
PM2.5
38.43μg/m³
PM10
20.41ppb
O3
0.84ppb
SO2
10.02ppb
NO2
0.22ppm
CO
AQI 49
Good
8.57μg/m³
PM2.5
37.21μg/m³
PM10
21.59ppb
O3
0.76ppb
SO2
8.73ppb
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 02:00:00 on 2025-12-10.
In the last 24 hours, the best air quality in La Grange, Illinois was observed at 07:00:00 on 2025-12-09.
As of now, the AQI in La Grange, Illinois is 64, 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 15.503 μg/m3.
The PM10 concentration in La Grange, Illinois is 69.361 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in La Grange, Illinois is 0.208 ppm.
Currently, La Grange, Illinois has a sulfur dioxide (SO2) concentration of 0.47 ppb.
The current ozone (O3) level in La Grange, Illinois at the moment is 14.396 ppm.
Nitrogen dioxide (NO2) level in La Grange, Illinois at the moment is 12.567 ppb.
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