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Real-time air quality index in Galesburg, Illinois today

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

49

Good

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Galesburg, Illinois

Last updated: ... (Local time)

Common air pollutants in Galesburg, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

8.57 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

34.20 μg/m³

0

55

155

255

425

605+

Ozone (O3)

36.77 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.47 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

1.24 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Galesburg, Illinois

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Galesburg, 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 Galesburg, Illinois updated?

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


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

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The worst air quality in Galesburg, Illinois was recorded at 01:00:00 on 2025-07-21.


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

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The best air quality in Galesburg, Illinois was recorded at 06:00:00 on 2025-07-21.


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

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The real-time air quality index in Galesburg, Illinois is 44, currently categorized as Good.


Which pollutant is found most often in Galesburg, Illinois?

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


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

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


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

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The measured PM2.5 levels in Galesburg, Illinois at present are 8.33 μg/m3.


What are the current PM10 levels at Galesburg, Illinois?

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The current PM10 levels in Galesburg, Illinois are 33.455 μg/m3.


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

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The current carbon monoxide (CO) level in Galesburg, Illinois is 0.188 ppm.


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

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The current sulfur dioxide (SO2) levels in Galesburg, Illinois are 0.581 ppb.


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

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The current ozone (O3) levels at Galesburg, Illinois is 37.259 ppm.


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

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The current nitrogen dioxide (NO2) levels at Galesburg, Illinois is 1.471 ppb.


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