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)
60
Moderate
La Grange, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
63.55 μg/m³
0
55
155
255
425
605+
1.43 ppb
0
55
71
86
201
201+
2.72 ppb
0
36
76
186
605
1005+
23.34 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 27
Good
4.82μg/m³
PM2.5
20.81μg/m³
PM10
4.80ppb
O3
1.05ppb
SO2
16.11ppb
NO2
0.35ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
20.64μg/m³
PM10
4.41ppb
O3
1.05ppb
SO2
16.19ppb
NO2
0.35ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
20.64μg/m³
PM10
4.48ppb
O3
1.05ppb
SO2
16.14ppb
NO2
0.35ppm
CO
AQI 27
Good
4.77μg/m³
PM2.5
20.83μg/m³
PM10
3.55ppb
O3
1.06ppb
SO2
16.76ppb
NO2
0.36ppm
CO
AQI 27
Good
4.71μg/m³
PM2.5
20.52μg/m³
PM10
4.44ppb
O3
1.05ppb
SO2
16.11ppb
NO2
0.34ppm
CO
AQI 27
Good
4.82μg/m³
PM2.5
20.92μg/m³
PM10
4.00ppb
O3
1.05ppb
SO2
16.61ppb
NO2
0.36ppm
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 2025-10-24.
In the last 24 hours, the best air quality in La Grange, Illinois was observed at 10:00:00 on 2025-10-23.
As of now, the AQI in La Grange, Illinois is 27, 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 5.084 μg/m3.
The PM10 concentration in La Grange, Illinois is 21.932 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in La Grange, Illinois is 0.371 ppm.
Currently, La Grange, Illinois has a sulfur dioxide (SO2) concentration of 1.308 ppb.
The current ozone (O3) level in La Grange, Illinois at the moment is 4.358 ppm.
Nitrogen dioxide (NO2) level in La Grange, Illinois at the moment is 13.675 ppb.
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