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Live air quality index in Elmhurst, Illinois today

Stay updated with real-time air quality in Elmhurst, 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)

96

Moderate

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Elmhurst, Illinois

Last updated: ... (Local time)

Major air pollutants in Elmhurst, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

33.40 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

139.80 μg/m³

0

55

155

255

425

605+

Ozone (O3)

46.72 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.47 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

2.08 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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Elmhurst, Illinois

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Elmhurst, Illinois air quality map: Track AQI near you




How accurate is Illinois, USA air quality data?

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.


Frequently asked questions

How often is the air quality data for Elmhurst, Illinois updated?

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The air quality for Elmhurst, Illinois is updated every hour.


When was the worst air quality at Elmhurst, Illinois in the last 24 hrs?

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The worst air quality in Elmhurst, Illinois in the last 24 hours was observed at 09:00:00 on 2025-06-05.


When was the best air quality at Elmhurst, Illinois in the last 24 hrs?

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In the last 24 hrs, the best air quality in Elmhurst, Illinois was observed at 06:00:00 on 2025-06-06.


What is the current air quality in Elmhurst, Illinois?

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The current air quality in Elmhurst, Illinois is 96, categorized as Moderate based on real-time data.


What pollutant is the most common in Elmhurst, Illinois?

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The most common pollutant in Elmhurst, Illinois is PM2.5.


What should I do if the air quality in Elmhurst, Illinois is poor?

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If the air quality in Elmhurst, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Elmhurst, Illinois?

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The current PM2.5 concentration at Elmhurst, Illinois is 33.399 μg/m3.


What is the current concentration of PM10 in Elmhurst, Illinois?

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The current PM10 concentration at Elmhurst, Illinois is 139.799 μg/m3.


What is the current concentration of carbon monoxide (CO) in Elmhurst, Illinois?

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The current carbon monoxide (CO) concentration at Elmhurst, Illinois is 0.261 ppm.


What is the current concentration of sulfur dioxide (SO2) in Elmhurst, Illinois?

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The current sulfur dioxide (SO2) concentration at Elmhurst, Illinois is 0.465 ppb.


What is the current concentration of ozone (O3) in Elmhurst, Illinois?

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The current ozone (O3) concentration at Elmhurst, Illinois is 46.715 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Elmhurst, Illinois?

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The current nitrogen dioxide (NO2) concentration at Elmhurst, Illinois is 2.079 ppb.


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