Worst air pollution Glen Leven - Mississauga, today and tomorrow
Today (25 August): Air quality in Glen Leven is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 25.6/100).
Tomorrow (26 August 2026): Air quality in Glen Leven is fair. All pollutants stay as today. Pollution peaks around 10:00 AM (O3: 33.8/100). Airmine updates local air quality forecasts four times daily.
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In Glen Leven, congested streets and dense urban activity keep particulate matter and nitrogen dioxide readings consistently on the higher side. A patch of green space in the area offers some natural buffering against local particulate matter. Actual air quality on a given day still depends heavily on local wind and weather conditions.
Today - 25 August | Pollution peaks at 11:00
AQI:
Fair
25.6/100
PM2.5 (fine particles):
Good
3.2/100
PM10 (coarse particles):
Good
1.1/100
NO2 (nitrogen dioxide):
Good
0.8/100
O3 (ozone):
Fair
25.6/100
SO2 (sulfur dioxide):
Good
0.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.4/100
PM1 (ultrafine particles):
Good
3.2/100
Levels show the poorest local air quality during the day
Tomorrow - 26 August | Pollution peaks at 10:00
AQI:
Fair
33.8/100
PM2.5 (fine particles):
Good
5.1/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Good
0.9/100
O3 (ozone):
Fair
33.8/100
SO2 (sulfur dioxide):
Good
0.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.4/100
PM1 (ultrafine particles):
Good
3.8/100
Other Landmarks in Mississauga
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Frequently Asked Questions
Is air quality bad in Glen Leven right now?
On 25 August 2026, overall air quality in Glen Leven is fair. AQI is the main air quality indicator at 25.6/100. Pollution peaks around 11:00 AM (O3: 25.6/100).
Will air quality be worse tomorrow in Glen Leven?
On 26 August 2026, air quality conditions in Glen Leven will be similar to today, with AQI forecast at fair at 33.8/100. Pollution peaks around 10:00 AM (O3: 33.8/100).
When is air pollution at its worst in Glen Leven?
Air quality often dips most sharply in winter in this urban setting, when combined heating and traffic emissions get trapped near the ground by winter's stiller air. Summer shifts the concern toward ground-level ozone across the city, since dense traffic emissions combined with intense sun and heat fuel ozone formation across the city. The transitional months of spring and fall typically see the year's lowest particulate and ozone levels.
Are air quality levels in Glen Leven 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: 26 August 2026 at 02:28 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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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