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
13.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
62.94 μg/m³
0
55
155
255
425
605+
21.38 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
6.45 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
La Grange, Illinois
La Grange, Illinois
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AQI 64
Moderate
16.31μg/m³
PM2.5
71.54μg/m³
PM10
19.19ppb
O3
0.44ppb
SO2
4.41ppb
NO2
0.18ppm
CO
AQI 60
Moderate
13.72μg/m³
PM2.5
60.30μg/m³
PM10
18.39ppb
O3
0.43ppb
SO2
4.41ppb
NO2
0.18ppm
CO
AQI 60
Moderate
14.20μg/m³
PM2.5
62.40μg/m³
PM10
18.37ppb
O3
0.43ppb
SO2
4.41ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.15μg/m³
PM2.5
44.62μg/m³
PM10
20.33ppb
O3
0.44ppb
SO2
4.47ppb
NO2
0.18ppm
CO
AQI 58
Moderate
12.84μg/m³
PM2.5
56.55μg/m³
PM10
17.23ppb
O3
0.42ppb
SO2
4.39ppb
NO2
0.18ppm
CO
AQI 56
Moderate
12.18μg/m³
PM2.5
53.45μg/m³
PM10
20.30ppb
O3
0.44ppb
SO2
4.46ppb
NO2
0.18ppm
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 07:00:00 on 2026-04-27.
In the last 24 hours, the best air quality in La Grange, Illinois was observed at 03:00:00 on 2026-04-27.
As of now, the AQI in La Grange, Illinois is 66, 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 17.382 μg/m3.
The PM10 concentration in La Grange, Illinois is 76.202 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in La Grange, Illinois is 0.18 ppm.
Currently, La Grange, Illinois has a sulfur dioxide (SO2) concentration of 0.442 ppb.
The current ozone (O3) level in La Grange, Illinois at the moment is 19.537 ppm.
Nitrogen dioxide (NO2) level in La Grange, Illinois at the moment is 4.406 ppb.
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