AQI

Champaign Air Quality Index & Realtime Air Pollution

Live AQI
32(AQI-US)
Air Quality is
Good
PM2.5 :7.7µg/m³
PM10 :7.9µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants Champaign (Illinois)

PM2.58µg/m³
PM2.5
Fine particles
PM108µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO146µg/m³
CO
Carbon monoxide
NO₂1µg/m³
NO₂
Nitrogen dioxide
O₃103µg/m³
O₃
Ozone

Hourly forecast Champaign (Illinois)

Now31°
Mostly clear
16:0031°
Mostly clear
17:0030°
Mostly clear
18:0029°
Clear sky
19:0028°
Clear sky
20:0026°
Clear sky
21:0024°
Overcast
22:0025°
Overcast
23:0023°
Clear sky
00:0022°
Clear sky
01:0021°
Clear sky
02:0020°
Clear sky
03:0019°
Clear sky
04:0018°
Clear sky
05:0017°
Clear sky
06:0016°
Clear sky
07:0017°
Clear sky
08:0018°
Clear sky
09:0019°
Clear sky
10:0021°
Clear sky
11:0023°
Overcast
12:0024°
Overcast
13:0024°
Overcast
14:0024°
Partly cloudy

Health Recommendations for Champaign Residents

Based on current air quality: Good · AQI 32

Good
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable

UV Index

5.7

Moderate

Use protection if you’re out for extended periods.

Wind

23.4 km/h

Moderate wind — noticeable and steady.

AQI Graph

Historical AQI Data Champaign (Illinois)

26
Min. AQIat 7:00 AM on 21st Jul
80
Max. AQIat 4:00 PM on 20th Jul
20-07-2026Time21-07-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

Last Updated: 21 Jul 2026, 15:01

Health Advice For People Living in Champaign

0.4
Cigarettes
per day
Weekly2.8 Cigarettes
Monthly12 Cigarettes

Breathing the air in this location is equivalent to smoking 0.4 cigarettes a day.

Disclaimer: This cigarette-equivalent estimate is calculated using the average PM2.5 concentration from the past 24 hours, assuming constant exposure throughout that period.
Solutions for Champaign Current AQI (US)
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Champaign · Current air quality: Good · AQI 32

Low Trigger Risk

Headaches

Risk of Headaches symptoms is Low when AQI of Champaign is Good (0-50).

Common signs

Typical signs can include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Choose indoor, clean indoor air when the AQI is elevated.
  • Stay hydrated and take short breaks from devices or harsh light if you are migraine-prone.
  • If you Make use of prescribed migraine meds, Keep close them accessible.
Don’ts :
  • Try not to do intense outdoor exercise during worse AQI periods.
  • Don’t ignore worsening symptoms that feel unusual for you.

Disclaimer: The health risks mentioned above are precautionary recommendations based on current AQI levels. While you may not experience immediate effects, prolonged exposure to air pollution can lead to these health issues over time. This is not medical advice. Please consult a clinician if you experience severe, unusual, or worsening symptoms.

Champaign's Nearby Cities AQI

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10.Cook
State: Illinois
Population: 5,194,675
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State: Illinois
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13.Lake
State: Illinois
Population: 714,342
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State: Illinois
Population: 3,012
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Air Quality FAQs at Champaign, Illinois

The current real-time AQI (US) level in Champaign, Illinois is 32 (Good). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in Champaign, Illinois have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are good for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.