Worst air pollution Vernon Hills, today and tomorrow
Today (9 August): Air quality in Vernon Hills is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 34.0/100).
Tomorrow (10 August 2026): Air quality in Vernon Hills is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 33.4/100). 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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Vernon Hills's air quality is driven largely by a combination of vehicle traffic, seasonal heating, and nearby land use. Vegetation near the Des Plaines River and within the Chain O'Lakes wetlands offers a measure of natural filtering for the surrounding air. Wind direction and seasonal weather patterns drive much of the day-to-day variation seen here.
Today - 9 August | Pollution peaks at 07:00
AQI:
Fair
34.0/100
PM2.5 (fine particles):
Good
6.5/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Good
4.8/100
O3 (ozone):
Fair
34.0/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Good
4.8/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 12:00
AQI:
Fair
33.4/100
PM2.5 (fine particles):
Good
8.0/100
PM10 (coarse particles):
Good
4.7/100
NO2 (nitrogen dioxide):
Good
8.8/100
O3 (ozone):
Fair
33.4/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Good
5.2/100
Pollen forecast in Vernon Hills
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Vernon Hills
Frequently Asked Questions
Is air quality bad in Vernon Hills right now?
On 9 August 2026, overall air quality in Vernon Hills is fair. AQI is the main air quality indicator at 34.0/100. Pollution peaks around 7:00 AM (O3: 34.0/100).
Will air quality be worse tomorrow in Vernon Hills?
On 10 August 2026, air quality conditions in Vernon Hills will be similar to today, with AQI forecast at fair at 33.4/100. Pollution peaks around 12:00 PM (O3: 33.4/100).
When is air pollution at its worst in Vernon Hills?
Vernon Hills typically sees its highest particulate readings in winter, when heating and traffic emissions linger under calm, cold skies. Summer heat and sunlight typically push ozone to the top of the seasonal concerns here. Some summers bring an extra layer of haze from wildfire smoke carried in from elsewhere. Air quality tends to be at its best in spring and fall, when temperatures are milder and winds more consistent.
Are air quality levels in Vernon Hills 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: 9 August 2026 at 20:27 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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