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)
44
Good
La Grange, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.30 μg/m³
0
55
155
255
425
605+
14.70 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
20.65 ppb
0
54
101
361
1250
2050+
0.25 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 44
Good
8.50μg/m³
PM2.5
38.54μg/m³
PM10
18.73ppb
O3
0.65ppb
SO2
8.69ppb
NO2
0.21ppm
CO
AQI 44
Good
8.20μg/m³
PM2.5
37.01μg/m³
PM10
18.82ppb
O3
0.65ppb
SO2
8.61ppb
NO2
0.21ppm
CO
AQI 44
Good
8.29μg/m³
PM2.5
37.47μg/m³
PM10
18.81ppb
O3
0.65ppb
SO2
8.72ppb
NO2
0.21ppm
CO
AQI 38
Good
7.11μg/m³
PM2.5
31.88μg/m³
PM10
18.70ppb
O3
0.68ppb
SO2
8.34ppb
NO2
0.21ppm
CO
AQI 44
Good
8.34μg/m³
PM2.5
37.58μg/m³
PM10
18.93ppb
O3
0.65ppb
SO2
8.77ppb
NO2
0.21ppm
CO
AQI 44
Good
7.50μg/m³
PM2.5
33.80μg/m³
PM10
18.70ppb
O3
0.67ppb
SO2
8.42ppb
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 2026-01-23.
In the last 24 hours, the best air quality in La Grange, Illinois was observed at 05:00:00 on 2026-01-23.
As of now, the AQI in La Grange, Illinois is 49, indicating Good 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 8.649 μg/m3.
The PM10 concentration in La Grange, Illinois is 39.292 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in La Grange, Illinois is 0.21 ppm.
Currently, La Grange, Illinois has a sulfur dioxide (SO2) concentration of 0.646 ppb.
The current ozone (O3) level in La Grange, Illinois at the moment is 18.712 ppm.
Nitrogen dioxide (NO2) level in La Grange, Illinois at the moment is 8.719 ppb.
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