Worst air pollution Vanier - Ottawa, today and tomorrow
Today (9 August): Air quality in Vanier is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 37.5/100).
Tomorrow (10 August 2026): Air quality in Vanier is fair. All pollutants stay as today. Pollution peaks around 11:00 AM (O3: 35.9/100). Airmine updates local air quality forecasts four times daily.
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Vanier's air quality reflects its dense central-eastern Ottawa residential character, with vehicle traffic on Montréal Road contributing the primary local emissions to this historic district.
Today - 9 August | Pollution peaks at 09:00
AQI:
Fair
37.5/100
PM2.5 (fine particles):
Good
10.2/100
PM10 (coarse particles):
Good
6.6/100
NO2 (nitrogen dioxide):
Fair
26.9/100
O3 (ozone):
Fair
37.5/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.7/100
PM1 (ultrafine particles):
Good
7.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 11:00
AQI:
Fair
35.9/100
PM2.5 (fine particles):
Good
13.1/100
PM10 (coarse particles):
Good
8.4/100
NO2 (nitrogen dioxide):
Fair
33.2/100
O3 (ozone):
Fair
35.9/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Good
10.1/100
Other Landmarks in Ottawa
Sports venues in Ottawa
Frequently Asked Questions
Is air quality bad in Vanier right now?
On 9 August 2026, overall air quality in Vanier is fair. AQI is the main air quality indicator at 37.5/100. Pollution peaks around 9:00 AM (O3: 37.5/100).
Will air quality be worse tomorrow in Vanier?
On 10 August 2026, air quality conditions in Vanier will be similar to today, with AQI forecast at fair at 35.9/100. Pollution peaks around 11:00 AM (O3: 35.9/100).
When is air pollution at its worst in Vanier?
Seasonal air quality in Vanier is closely linked to its older industrial legacy mixed with dense residential streets. The warmest months typically see the poorest air quality, with heat and heavy traffic driving up smog levels on windless days, whereas fall and winter tend to bring cleaner, more variable conditions. The surrounding Greenbelt helps buffer some neighbourhoods, though downtown corridors still see the sharpest seasonal shifts.
Are air quality levels in Vanier 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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