Worst air pollution Canmore, today and tomorrow
Today (9 August): Air quality in Canmore is fair. NO2 and PM1 are fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 8:00 AM (O3: 56.2/100).
Tomorrow (10 August 2026): Air quality in Canmore is fair. AQI worsens to fair; NO2 decreases to good; O3 increases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 33.3/100). 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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Canmore's air quality is generally clean given its mountain-valley position, though winter temperature inversions can trap wood-heating smoke and Trans-Canada Highway truck traffic emissions.
Today - 9 August | Pollution peaks at 08:00
AQI:
Medium
56.2/100
PM2.5 (fine particles):
Good
17.9/100
PM10 (coarse particles):
Good
4.7/100
NO2 (nitrogen dioxide):
Fair
20.5/100
O3 (ozone):
Medium
56.2/100
SO2 (sulfur dioxide):
Good
3.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.8/100
PM1 (ultrafine particles):
Fair
23.6/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 10:00
AQI:
Fair
33.3/100
PM2.5 (fine particles):
Good
6.0/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
6.2/100
O3 (ozone):
Fair
33.3/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
5.2/100
Pollen forecast in Canmore
View pollen forecastFrequently Asked Questions
Is air quality bad in Canmore right now?
On 9 August 2026, overall air quality in Canmore is fair. PM1 is the main pollutant at 23.6/100. Pollution peaks around 8:00 AM (O3: 56.2/100).
Will air quality be worse tomorrow in Canmore?
On 10 August 2026, air quality conditions in Canmore will be similar to today, with AQI forecast at fair at 33.3/100. Pollution peaks around 10:00 AM (O3: 33.3/100).
When is air pollution at its worst in Canmore?
Canmore's air quality varies through the year, influenced by its position in the Bow Valley amid the Rocky Mountains. Air quality is typically excellent for much of the year, though summer weekends bring a rise in vehicle traffic from visitors, and occasional wildfire smoke can drift in during hot, dry stretches. Weekday air quality is often noticeably better than on busy summer weekends when visitor numbers peak.
Are air quality levels in Canmore 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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