Stay updated with real-time air quality in New Lenox, 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)
56
Moderate
New Lenox, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.86 μg/m³
0
55
155
255
425
605+
40.33 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
3.53 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
New Lenox, Illinois
New Lenox, Illinois
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AQI 44
Good
8.27μg/m³
PM2.5
34.79μg/m³
PM10
48.03ppb
O3
0.49ppb
SO2
3.77ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.14μg/m³
PM2.5
45.15μg/m³
PM10
49.89ppb
O3
0.46ppb
SO2
3.96ppb
NO2
0.20ppm
CO
AQI 44
Good
7.82μg/m³
PM2.5
36.67μg/m³
PM10
48.10ppb
O3
0.50ppb
SO2
3.71ppb
NO2
0.20ppm
CO
AQI 44
Good
8.41μg/m³
PM2.5
37.15μg/m³
PM10
47.65ppb
O3
0.49ppb
SO2
3.94ppb
NO2
0.21ppm
CO
AQI 42
Good
7.22μg/m³
PM2.5
27.23μg/m³
PM10
45.02ppb
O3
0.46ppb
SO2
3.80ppb
NO2
0.20ppm
CO
AQI 49
Good
8.98μg/m³
PM2.5
39.29μg/m³
PM10
48.15ppb
O3
0.47ppb
SO2
4.02ppb
NO2
0.20ppm
CO
Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for New Lenox, Illinois is updated every hour.
The worst air quality in New Lenox, Illinois in the last 24 hours was observed at 12:00:00 on 2026-08-07.
In the last 24 hrs, the best air quality in New Lenox, Illinois was observed at 08:00:00 on 2026-08-07.
The current air quality in New Lenox, Illinois is 45, categorized as Good based on real-time data.
The most common pollutant in New Lenox, Illinois is O3.
If the air quality in New Lenox, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at New Lenox, Illinois is 7.223 μg/m3.
The current PM10 concentration at New Lenox, Illinois is 31.994 μg/m3.
The current carbon monoxide (CO) concentration at New Lenox, Illinois is 0.202 ppm.
The current sulfur dioxide (SO2) concentration at New Lenox, Illinois is 0.479 ppb.
The current ozone (O3) concentration at New Lenox, Illinois is 48.928 ppm.
The current nitrogen dioxide (NO2) concentration at New Lenox, Illinois is 3.818 ppb.
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