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Live air quality index in Glen Ellyn, Illinois today

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

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Glen Ellyn, Illinois

Last updated: ... (Local time)

Major air pollutants in Glen Ellyn, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

26.83 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

118.78 μg/m³

0

55

155

255

425

605+

Ozone (O3)

32.38 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.29 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

6.53 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Glen Ellyn, Illinois

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Glen Ellyn, Illinois air quality map: Real-time AQI near you




How accurate is Illinois, USA air quality data?

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.


Frequently asked questions

How frequently is the air quality data for Glen Ellyn, Illinois updated?

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Air quality data for Glen Ellyn, Illinois is updated on an hourly basis.


When did Glen Ellyn, Illinois experience the worst air quality in the last 24 hours?

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The worst air quality in Glen Ellyn, Illinois was recorded at 01:00:00 on 2025-06-07.


When did Glen Ellyn, Illinois have its best air quality in the last 24 hours?

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The best air quality in Glen Ellyn, Illinois was recorded at 09:00:00 on 2025-06-07.


What is the real-time air quality index for Glen Ellyn, Illinois?

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The real-time air quality index in Glen Ellyn, Illinois is 84, currently categorized as Moderate.


Which pollutant is found most often in Glen Ellyn, Illinois?

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The most common pollutant in Glen Ellyn, Illinois is PM2.5.


What can I do if the air quality in Glen Ellyn, Illinois is poor?

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If the air quality in Glen Ellyn, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in Glen Ellyn, Illinois?

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The measured PM2.5 levels in Glen Ellyn, Illinois at present are 26.831 μg/m3.


What are the current PM10 levels at Glen Ellyn, Illinois?

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The current PM10 levels in Glen Ellyn, Illinois are 118.78 μg/m3.


What are the current carbon monoxide (CO) levels at Glen Ellyn, Illinois?

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The current carbon monoxide (CO) level in Glen Ellyn, Illinois is 0.269 ppm.


What are the current sulfur dioxide (SO2) levels at Glen Ellyn, Illinois?

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The current sulfur dioxide (SO2) levels in Glen Ellyn, Illinois are 0.288 ppb.


What are the current ozone (O3) levels at Glen Ellyn, Illinois?

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The current ozone (O3) levels at Glen Ellyn, Illinois is 32.377 ppm.


What are the current nitrogen dioxide (NO2) levels at Glen Ellyn, Illinois?

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The current nitrogen dioxide (NO2) levels at Glen Ellyn, Illinois is 6.528 ppb.


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