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Real-time air quality index in Belleville, Illinois today

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

52

Moderate

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Belleville, Illinois

Last updated: ... (Local time)

Major air pollutants in Belleville, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

10.11 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

49.13 μg/m³

0

55

155

255

425

605+

Ozone (O3)

15.74 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.51 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

17.00 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.56 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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Belleville, Illinois

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Belleville, Illinois air quality map: Stay updated on AQI near you




How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.


Frequently asked questions

How often is air quality information updated for Belleville, Illinois?

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The air quality information for Belleville, Illinois is updated every hour for accuracy.


What time in the last 24 hours was the air quality in Belleville, Illinois at its worst?

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In the past 24 hours, the air quality in Belleville, Illinois was at its worst at 09:00:00 on 2025-06-05.


When did Belleville, Illinois experience the best air quality in the last 24 hours?

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In the last 24 hours, the best air quality in Belleville, Illinois was observed at 10:00:00 on 2025-06-05.


What is the AQI in Belleville, Illinois right now?

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As of now, the AQI in Belleville, Illinois is 52, indicating Moderate conditions.


What is the most common type of pollution in Belleville, Illinois?

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Belleville, Illinois air has the highest levels of PM2.5.


What should I do in case of poor air quality in Belleville, Illinois?

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Poor air quality in Belleville, Illinois means it's advisable to stay indoors and wear a mask for your protection.


What is the PM2.5 level in Belleville, Illinois at the moment?

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PM2.5 levels in Belleville, Illinois are currently 10.108 μg/m3.


What is the PM10 level in Belleville, Illinois at the moment?

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The PM10 concentration in Belleville, Illinois is 49.128 μg/m3 at the moment.


What is the carbon monoxide (CO) level in Belleville, Illinois at the moment?

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The current carbon monoxide (CO) concentration in Belleville, Illinois is 0.559 ppm.


What is the sulfur dioxide (SO2) level in Belleville, Illinois at the moment?

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Currently, Belleville, Illinois has a sulfur dioxide (SO2) concentration of 0.505 ppb.


What is the ozone (O3) level in Belleville, Illinois at the moment?

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The current ozone (O3) level in Belleville, Illinois at the moment is 15.74 ppm.


What is the nitrogen dioxide (NO2) level in Belleville, Illinois at the moment?

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Nitrogen dioxide (NO2) level in Belleville, Illinois at the moment is 16.998 ppb.


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