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Live air quality index in Brookfield, Illinois today

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

88

Moderate

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Brookfield, Illinois

Last updated: ... (Local time)

Major air pollutants in Brookfield, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

29.10 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

128.00 μg/m³

0

55

155

255

425

605+

Ozone (O3)

41.10 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.79 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.07 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

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Brookfield, 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 Brookfield, Illinois updated?

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


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

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The worst air quality in Brookfield, Illinois in the last 24 hours was observed at 07:00:00 on 2025-06-05.


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

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In the last 24 hrs, the best air quality in Brookfield, Illinois was observed at 10:00:00 on 2025-06-06.


What is the current air quality in Brookfield, Illinois?

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The current air quality in Brookfield, Illinois is 88, categorized as Moderate based on real-time data.


What pollutant is the most common in Brookfield, Illinois?

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


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

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


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

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The current PM2.5 concentration at Brookfield, Illinois is 29.099 μg/m3.


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

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The current PM10 concentration at Brookfield, Illinois is 128.004 μg/m3.


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

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The current carbon monoxide (CO) concentration at Brookfield, Illinois is 0.264 ppm.


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

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The current sulfur dioxide (SO2) concentration at Brookfield, Illinois is 0.787 ppb.


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

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The current ozone (O3) concentration at Brookfield, Illinois is 41.105 ppm.


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

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The current nitrogen dioxide (NO2) concentration at Brookfield, Illinois is 3.068 ppb.


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