Stay updated with real-time air quality in Glen Ellyn, 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)
84
Moderate
Glen Ellyn, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
26.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
118.78 μg/m³
0
55
155
255
425
605+
32.38 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
6.53 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Glen Ellyn, Illinois
Glen Ellyn, Illinois
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AQI 84
Moderate
27.08μg/m³
PM2.5
119.50μg/m³
PM10
32.32ppb
O3
0.29ppb
SO2
6.52ppb
NO2
0.27ppm
CO
AQI 79
Moderate
24.42μg/m³
PM2.5
76.32μg/m³
PM10
39.47ppb
O3
0.28ppb
SO2
6.24ppb
NO2
0.26ppm
CO
AQI 82
Moderate
25.52μg/m³
PM2.5
112.87μg/m³
PM10
34.68ppb
O3
0.28ppb
SO2
6.49ppb
NO2
0.27ppm
CO
AQI 79
Moderate
24.46μg/m³
PM2.5
107.55μg/m³
PM10
37.28ppb
O3
0.27ppb
SO2
6.27ppb
NO2
0.27ppm
CO
AQI 84
Moderate
27.25μg/m³
PM2.5
119.67μg/m³
PM10
33.93ppb
O3
0.28ppb
SO2
6.33ppb
NO2
0.27ppm
CO
AQI 84
Moderate
26.99μg/m³
PM2.5
118.55μg/m³
PM10
33.14ppb
O3
0.29ppb
SO2
6.51ppb
NO2
0.27ppm
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 Glen Ellyn, Illinois is updated on an hourly basis.
The worst air quality in Glen Ellyn, Illinois was recorded at 01:00:00 on 2025-06-07.
The best air quality in Glen Ellyn, Illinois was recorded at 09:00:00 on 2025-06-07.
The real-time air quality index in Glen Ellyn, Illinois is 84, currently categorized as Moderate.
The most common pollutant in Glen Ellyn, Illinois is PM2.5.
If the air quality in Glen Ellyn, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Glen Ellyn, Illinois at present are 26.831 μg/m3.
The current PM10 levels in Glen Ellyn, Illinois are 118.78 μg/m3.
The current carbon monoxide (CO) level in Glen Ellyn, Illinois is 0.269 ppm.
The current sulfur dioxide (SO2) levels in Glen Ellyn, Illinois are 0.288 ppb.
The current ozone (O3) levels at Glen Ellyn, Illinois is 32.377 ppm.
The current nitrogen dioxide (NO2) levels at Glen Ellyn, Illinois is 6.528 ppb.
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