Worst air pollution Cicero, today and tomorrow
Today (9 August): Air quality in Cicero is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 32.8/100).
Tomorrow (10 August 2026): Air quality in Cicero is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 34.7/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Cicero's air quality reflects its position in the densely urbanised Chicago metropolitan inner western suburbs, with vehicle traffic on the I-290 Eisenhower Expressway and the surrounding industrial and warehouse character generating sustained NO₂ and PM2.5. The flat Illinois prairie allows reasonable dispersal on most days, while the broader Chicago metropolitan regional ozone from prevailing southwesterly winds and the dense metropolitan industrial background are the primary ongoing air quality concerns.
Today - 9 August | Pollution peaks at 08:00
AQI:
Fair
32.8/100
PM2.5 (fine particles):
Good
5.6/100
PM10 (coarse particles):
Good
1.7/100
NO2 (nitrogen dioxide):
Good
4.3/100
O3 (ozone):
Fair
32.8/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.0/100
PM1 (ultrafine particles):
Good
6.8/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 09:00
AQI:
Fair
34.7/100
PM2.5 (fine particles):
Good
6.5/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Good
9.7/100
O3 (ozone):
Fair
34.7/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.7/100
PM1 (ultrafine particles):
Good
4.4/100
Pollen forecast in Cicero
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Cicero
Frequently Asked Questions
Is air quality bad in Cicero right now?
On 9 August 2026, overall air quality in Cicero is fair. AQI is the main air quality indicator at 32.8/100. Pollution peaks around 8:00 AM (O3: 32.8/100).
Will air quality be worse tomorrow in Cicero?
On 10 August 2026, air quality conditions in Cicero will be similar to today, with AQI forecast at fair at 34.7/100. Pollution peaks around 9:00 AM (O3: 34.7/100).
When is air pollution at its worst in Cicero?
Cicero's air quality follows a clear seasonal pattern, as the mildest, cleanest weather usually falls in spring and autumn; by contrast, hot, humid summer conditions drive ozone formation, especially during heat waves. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.
Are air quality levels in Cicero based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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