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)
21
Good
New Lenox, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.58 μg/m³
0
55
155
255
425
605+
22.89 ppb
0
55
71
86
201
201+
0.92 ppb
0
36
76
186
605
1005+
6.92 ppb
0
54
101
361
1250
2050+
0.27 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 24
Good
2.27μg/m³
PM2.5
14.89μg/m³
PM10
26.12ppb
O3
0.93ppb
SO2
7.13ppb
NO2
0.27ppm
CO
AQI 23
Good
2.00μg/m³
PM2.5
8.23μg/m³
PM10
24.62ppb
O3
0.92ppb
SO2
7.09ppb
NO2
0.26ppm
CO
AQI 25
Good
2.51μg/m³
PM2.5
11.52μg/m³
PM10
26.87ppb
O3
0.93ppb
SO2
7.08ppb
NO2
0.27ppm
CO
AQI 24
Good
2.12μg/m³
PM2.5
12.95μg/m³
PM10
25.79ppb
O3
0.93ppb
SO2
7.08ppb
NO2
0.27ppm
CO
AQI 24
Good
2.01μg/m³
PM2.5
10.74μg/m³
PM10
26.43ppb
O3
0.93ppb
SO2
8.27ppb
NO2
0.26ppm
CO
AQI 24
Good
2.01μg/m³
PM2.5
10.76μg/m³
PM10
25.57ppb
O3
0.92ppb
SO2
7.08ppb
NO2
0.27ppm
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 11:00:00 on 2025-10-23.
In the last 24 hrs, the best air quality in New Lenox, Illinois was observed at 09:00:00 on 2025-10-23.
The current air quality in New Lenox, Illinois is 21, 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 2.037 μg/m3.
The current PM10 concentration at New Lenox, Illinois is 14.583 μg/m3.
The current carbon monoxide (CO) concentration at New Lenox, Illinois is 0.265 ppm.
The current sulfur dioxide (SO2) concentration at New Lenox, Illinois is 0.922 ppb.
The current ozone (O3) concentration at New Lenox, Illinois is 22.886 ppm.
The current nitrogen dioxide (NO2) concentration at New Lenox, Illinois is 6.921 ppb.
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