Stay updated with real-time air quality in Sterling, 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)
22
Good
Sterling, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.73 μg/m³
0
55
155
255
425
605+
22.57 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
4.40 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sterling, Illinois
Scroll To Air Quality MapLoading...
AQI 56
Moderate
12.46μg/m³
PM2.5
55.07μg/m³
PM10
23.89ppb
O3
0.56ppb
SO2
3.21ppb
NO2
0.22ppm
CO
AQI 58
Moderate
13.25μg/m³
PM2.5
59.49μg/m³
PM10
19.66ppb
O3
0.41ppb
SO2
2.18ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.88μg/m³
PM2.5
52.83μg/m³
PM10
23.50ppb
O3
0.44ppb
SO2
3.36ppb
NO2
0.22ppm
CO
AQI 66
Moderate
16.53μg/m³
PM2.5
56.03μg/m³
PM10
24.34ppb
O3
0.47ppb
SO2
2.23ppb
NO2
0.20ppm
CO
AQI 62
Moderate
15.12μg/m³
PM2.5
67.25μg/m³
PM10
23.64ppb
O3
0.46ppb
SO2
1.38ppb
NO2
0.20ppm
CO
AQI 60
Moderate
14.50μg/m³
PM2.5
64.99μg/m³
PM10
24.11ppb
O3
0.60ppb
SO2
3.81ppb
NO2
0.22ppm
CO
Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Sterling, Illinois is updated on an hourly basis.
The worst air quality in Sterling, Illinois was recorded at 10:00:00 on 2025-09-05.
The best air quality in Sterling, Illinois was recorded at 05:00:00 on 2025-09-05.
The real-time air quality index in Sterling, Illinois is 22, currently categorized as Good.
The most common pollutant in Sterling, Illinois is PM2.5.
If the air quality in Sterling, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Sterling, Illinois at present are 3.624 μg/m3.
The current PM10 levels in Sterling, Illinois are 16.725 μg/m3.
The current carbon monoxide (CO) level in Sterling, Illinois is 0.128 ppm.
The current sulfur dioxide (SO2) levels in Sterling, Illinois are 0.336 ppb.
The current ozone (O3) levels at Sterling, Illinois is 22.567 ppm.
The current nitrogen dioxide (NO2) levels at Sterling, Illinois is 4.399 ppb.
All Rights Reserved © Ambee Inc. 2025