Worst air pollution Knoll Crest - North Peoria, today and tomorrow
Today (9 August): Air quality in Knoll Crest is fair. AQI, O3, and PM1 are fair; PM2.5, PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 10:00 AM (O3: 38.1/100).
Tomorrow (10 August 2026): Air quality in Knoll Crest is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 36.1/100). 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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In Knoll Crest, lighter traffic and surrounding agricultural land make wind-blown dust and seasonal field activity bigger factors than congestion. Some of this load is absorbed by vegetation roughly 286m off, acting as a modest natural filter. Conditions on any given day depend heavily on wind speed and direction locally.
Today - 9 August | Pollution peaks at 10:00
AQI:
Fair
38.1/100
PM2.5 (fine particles):
Good
15.6/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Good
14.1/100
O3 (ozone):
Fair
38.1/100
SO2 (sulfur dioxide):
Good
1.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Fair
20.6/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 10:00
AQI:
Fair
36.1/100
PM2.5 (fine particles):
Fair
20.4/100
PM10 (coarse particles):
Good
6.8/100
NO2 (nitrogen dioxide):
Good
14.8/100
O3 (ozone):
Fair
36.1/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.6/100
PM1 (ultrafine particles):
Fair
24.6/100
Other Landmarks in North Peoria
Frequently Asked Questions
Is air quality bad in Knoll Crest right now?
On 9 August 2026, overall air quality in Knoll Crest is fair. AQI is the main air quality indicator at 38.1/100. Pollution peaks around 10:00 AM (O3: 38.1/100).
Will air quality be worse tomorrow in Knoll Crest?
On 10 August 2026, air quality conditions in Knoll Crest will be similar to today, with AQI forecast at fair at 36.1/100. Pollution peaks around 10:00 AM (O3: 36.1/100).
When is air pollution at its worst in Knoll Crest?
Winter tends to bring the year's worst particulate spikes here, when wood-burning and furnace use rise just as calm, cold air traps the smoke locally. Warmer months bring a different problem: ground-level ozone, as heat and sunlight drive photochemical smog, occasionally worsened by drifting wildfire smoke. The shoulder seasons, spring and fall, usually offer the year's best air quality thanks to milder, breezier conditions.
Are air quality levels in Knoll Crest 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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