Stay updated with real-time air quality in Wheaton, 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)
30
Good
Wheaton, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.69 μg/m³
0
55
155
255
425
605+
31.77 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
2.21 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Wheaton, Illinois
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AQI 29
Good
3.08μg/m³
PM2.5
12.88μg/m³
PM10
31.36ppb
O3
0.30ppb
SO2
2.27ppb
NO2
0.16ppm
CO
AQI 30
Good
3.01μg/m³
PM2.5
12.52μg/m³
PM10
31.70ppb
O3
0.30ppb
SO2
2.20ppb
NO2
0.16ppm
CO
AQI 29
Good
3.08μg/m³
PM2.5
12.96μg/m³
PM10
30.95ppb
O3
0.30ppb
SO2
2.24ppb
NO2
0.16ppm
CO
AQI 30
Good
2.97μg/m³
PM2.5
9.04μg/m³
PM10
31.99ppb
O3
0.30ppb
SO2
2.22ppb
NO2
0.16ppm
CO
AQI 30
Good
2.95μg/m³
PM2.5
12.30μg/m³
PM10
31.73ppb
O3
0.30ppb
SO2
2.18ppb
NO2
0.16ppm
CO
AQI 30
Good
3.04μg/m³
PM2.5
12.65μg/m³
PM10
32.00ppb
O3
0.31ppb
SO2
2.18ppb
NO2
0.16ppm
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 Wheaton, Illinois is updated on an hourly basis.
The worst air quality in Wheaton, Illinois was recorded at 12:00:00 on 2026-06-14.
The best air quality in Wheaton, Illinois was recorded at 10:00:00 on 2026-06-14.
The real-time air quality index in Wheaton, Illinois is 30, currently categorized as Good.
The most common pollutant in Wheaton, Illinois is O3.
If the air quality in Wheaton, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Wheaton, Illinois at present are 3.037 μg/m3.
The current PM10 levels in Wheaton, Illinois are 12.694 μg/m3.
The current carbon monoxide (CO) level in Wheaton, Illinois is 0.162 ppm.
The current sulfur dioxide (SO2) levels in Wheaton, Illinois are 0.305 ppb.
The current ozone (O3) levels at Wheaton, Illinois is 31.771 ppm.
The current nitrogen dioxide (NO2) levels at Wheaton, Illinois is 2.209 ppb.
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