logo
search icon

Real-time air quality index in Quincy, Illinois today

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

97

Moderate

icon

Quincy, Illinois

Last updated: ... (Local time)

Major air pollutants in Quincy, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

34.21 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

50.86 μg/m³

0

55

155

255

425

605+

Ozone (O3)

22.74 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.47 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

6.90 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.39 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

icon

Quincy, Illinois

Get Live Pollen Counts arrow

Track live Quincy, Illinois air quality forecast and history

circleQuincy

Loading...

Get reliable air quality data to drive your business


Quincy, 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 Quincy, Illinois?

expand

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


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

expand

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


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

expand

In the last 24 hours, the best air quality in Quincy, Illinois was observed at 11:00:00 on 2025-06-05.


What is the AQI in Quincy, Illinois right now?

expand

As of now, the AQI in Quincy, Illinois is 97, indicating Moderate conditions.


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

expand

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


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

expand

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


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

expand

PM2.5 levels in Quincy, Illinois are currently 34.209 μg/m3.


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

expand

The PM10 concentration in Quincy, Illinois is 50.862 μg/m3 at the moment.


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

expand

The current carbon monoxide (CO) concentration in Quincy, Illinois is 0.387 ppm.


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

expand

Currently, Quincy, Illinois has a sulfur dioxide (SO2) concentration of 0.467 ppb.


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

expand

The current ozone (O3) level in Quincy, Illinois at the moment is 22.74 ppm.


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

expand

Nitrogen dioxide (NO2) level in Quincy, Illinois at the moment is 6.903 ppb.


Ambee Footer Logo

All Rights Reserved © Ambee Inc. 2025