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Illinois Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in United States

Last Updated: 5 minutes ago (Local Time)

location image
Live AQI
54
Air Quality is
Moderate
pm10 :  20 µg/m³
PM2.5 :  11 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level in Illinois
clear

22 °C

Clear
Humidity
Humidity42 %
Wind Speed
Wind Speed16 km/h
UV Index
UV Index0
Last Updated: 5 minutes ago (Local Time)
Map

Illinois

Major Air Pollutants

Illinois

PM2.5's Icon

Particulate Matter(PM2.5)

11µg/m³

PM10's Icon

Particulate Matter(PM10)

20µg/m³

CO's Icon

Carbon Monoxide(CO)

70ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

7ppb

O3's Icon

Ozone(O3)

32ppb

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AQI Graph

Historical Air Quality Data

Illinois

24 Hours
AQI
Illinois

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

Illinois's Cities

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Alsip
Moderate
53
10
22
20
47
Alton
Moderate
55
11
17
22
79
Aurora
Moderate
57
12
23
20
62
Baldwin
Moderate
55
11
19
23
82
Benton
Moderate
55
11
18
22
84
Braidwood
Moderate
53
10
17
21
56
Cary
Moderate
61
14
25
20
59
Champaign
Moderate
53
10
19
19
64
Chester
Moderate
55
11
19
23
82
Chicago
Moderate
55
11
20
17
50
Cicero
Moderate
54
11
18
18
48
Decatur
Moderate
54
11
17
21
63
Des Plaines
Moderate
55
11
17
18
48
East Peoria
Moderate
54
11
24
21
64
East St Louis
Moderate
53
10
21
23
80
Elgin
Moderate
60
14
23
20
59
Evergreen Park
Moderate
53
10
21
18
48
Glencoe
Moderate
51
9
16
18
51
Glenview
Moderate
55
11
17
18
48
Granite City
Moderate
54
11
21
23
74
Jerseyville
Good
42
7
17
22
76
Joliet
Moderate
53
10
20
21
50
Lansing
Moderate
58
13
19
21
57
Maryville
Moderate
53
10
18
22
79
McCook
Moderate
53
10
22
16
47
McLeansboro
Moderate
55
11
18
22
84
Moline
Moderate
62
15
23
22
59
Naperville
Moderate
55
11
19
21
56
Normal
Moderate
56
12
21
19
71
Northbrook
Moderate
51
9
16
18
51
Oak Park
Moderate
54
11
19
16
48
Peoria
Moderate
54
11
24
21
64
Robinson
Good
42
8
16
18
74
Rock Island
Moderate
59
14
30
22
62
Rockford
Moderate
60
14
25
21
59
Savoy
Moderate
52
10
18
19
62
Schiller Park
Moderate
56
12
19
21
47
Springfield
Moderate
55
11
18
21
69
Stockton
Moderate
60
14
24
22
66
West Union
Moderate
53
10
17
19
73
Wilmington
Moderate
53
10
17
21
56
Winthrop Harbor
Moderate
53
10
24
15
69
Wood River
Moderate
55
11
23
23
75

United States's Metro Cities

Air Quality Index

East Chicago City AQI

East Chicago

55

temp.19°C
hum.58%
Los Angeles City AQI

Los Angeles

34

temp.17°C
hum.78%
Minneapolis City AQI

Minneapolis

52

temp.21°C
hum.84%
Nashville City AQI

Nashville

64

temp.22°C
hum.79%
New Orleans City AQI

New Orleans

49

temp.26°C
hum.74%
New York City City AQI

New York City

40

temp.17°C
hum.58%
San Francisco City AQI

San Francisco

30

temp.13°C
hum.90%
Port Washington City AQI

Port Washington

52

temp.20°C
hum.56%

Health Advice For People Living In

Illinois

0Cigarettes per day

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Prevent Health Problems: Understand Your Risks

Illinois

  • asthma due to air pollution in IllinoisAsthma
  • heart due to air pollution in IllinoisHeart Issues
  • allergy due to air pollution in IllinoisAllergies
  • sinus due to air pollution in IllinoisSinus
  • flu due to air pollution in IllinoisCold/Flu
  • copd due to air pollution in IllinoisChronic (COPD)
asthma due to air pollution in Illinois

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Most Polluted Cities 2025

United States

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Northwest St. Louis, United States

245
Severe
16xabove Standard

2.

Cass Lake, United States

190
Unhealthy
13xabove Standard

3.

Virginia, United States

189
Unhealthy
13xabove Standard

4.

Detroit Lakes, United States

152
Unhealthy
10xabove Standard

5.

Bemidji, United States

150
Poor
10xabove Standard

6.

Sioux Falls, United States

142
Poor
9xabove Standard

7.

Dickinson, United States

126
Poor
8xabove Standard

8.

Dunn Center, United States

126
Poor
8xabove Standard

9.

Marshall, United States

116
Poor
8xabove Standard

10.

Red Lake, United States

111
Poor
7xabove Standard

Last Updated: 03 Jun 2025, 07:22 AM

AQI City Rankings

Air Quality Solutions For Illinois

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Illinois

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Illinois

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Illinois

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Illinois

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Illinois

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Illinois

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Illinois

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Illinois

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Illinois

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Illinois

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Illinois

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Illinois

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Illinois

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Illinois

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Illinois

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Illinois

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Illinois's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Illinois
Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at Illinois

Frequently Asked Questions About Air Quality

What is the current AQI level in Illinois?

The current real-time AQI level in Illinois is 54 (Moderate). This was last updated 5 minutes ago (Local Time).

When was the best AQI level in Illinois in the last 24 hours?

The best AQI level was 36 (Good) at 11:09 AM, Jun 2, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Illinois in the last 24 hours?

The worst AQI level was 56 (Moderate) at 10:09 PM, Jun 2, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Illinois during last 24 hours?

The AQI levels in Illinois have been fluctuating throughout the last 24 hours. The levels have increased by highest 56 at 10:09 PM, Jun 2, 2025 (Local Time), lowest 36 at 11:09 AM, Jun 2, 2025 (Local Time).

What actions are recommended as per the current AQI level in Illinois?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Wildfire Alert in Northeastern Minnesota: From Crisis to Control Journey.

Wildfire Alert in Northeastern Minnesota: From Crisis to Control Journey.

30 May 2025Shakshi
Delhi Rain May 2025 Breaks Records — Why It Happened and What’s Next

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26 May 2025Shakshi
How Air Pollution Fuels COPD—and What You Can Do About It?

How Air Pollution Fuels COPD—and What You Can Do About It?

22 May 2025Shakshi
How Heat and Air Pollution Can Be Increasing Mortality in India: New Study Reveals

How Heat and Air Pollution Can Be Increasing Mortality in India: New Study Reveals

19 May 2025Shakshi
Thick Dust Covers New Delhi: What’s Happening on May 15, 2025?

Thick Dust Covers New Delhi: What’s Happening on May 15, 2025?

15 May 2025Shakshi
Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

Long-Term Exposure to Polluted Air and Its Impact on Heart Health: A Global Perspective

15 May 2025Gyane
Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

Carbon monoxide (CO) or PM2.5: Which is more dangerous for human health and the environment?

14 May 2025Shakshi
Methane Emissions from Delhi’s Landfills: An Invisible Threat

Methane Emissions from Delhi’s Landfills: An Invisible Threat

12 May 2025Shakshi
The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

The Hidden Link Between Air Pollution and Parkinson’s Disease: What the Study Shows?

7 May 2025Shakshi
World Asthma Day 2025: The Link Between Air Pollution and Asthma

World Asthma Day 2025: The Link Between Air Pollution and Asthma

6 May 2025Shakshi
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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor