Worst air pollution Mont Sainte-Anne - Quebec City, today and tomorrow
Today (16 July): Air quality in Mont Sainte-Anne is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 60.6/100).
Tomorrow (17 July 2026): Air quality in Mont Sainte-Anne is fair. AQI improves to fair; O3 decreases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 38.5/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Mont Sainte-Anne's air quality benefits from its elevated position near Quebec City, with winter ski tourism and summer mountain-biking traffic the primary seasonal local sources amid clean conditions.
Today - 16 July | Pollution peaks at 07:00
AQI:
Poor
60.6/100
PM2.5 (fine particles):
Good
10.5/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Poor
60.6/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
11.9/100
PM1 (ultrafine particles):
Good
13.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Fair
38.5/100
PM2.5 (fine particles):
Good
7.5/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
38.5/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
3.6/100
PM1 (ultrafine particles):
Good
9.8/100
Other Landmarks in Quebec City
Sports venues in Quebec City
Frequently Asked Questions
Is air quality bad in Mont Sainte-Anne right now?
On 16 July 2026, overall air quality in Mont Sainte-Anne is poor. AQI is the main air quality indicator at 60.6/100. Pollution peaks around 7:00 AM (O3: 60.6/100).
Will air quality be worse tomorrow in Mont Sainte-Anne?
On 17 July 2026, air quality conditions in Mont Sainte-Anne will be better than today, with AQI forecast at fair at 38.5/100. Pollution peaks around 12:00 PM (O3: 38.5/100).
When is air pollution at its worst in Mont Sainte-Anne?
Mont-Sainte-Anne's air quality follows a seasonal rhythm tied to its ski slopes rising above the St. Lawrence east of Quebec City. For most of the year the air stays clean and lake-fresh, but summer tourist traffic and, in some years, drifting wildfire smoke can briefly worsen conditions. Weekday air quality is often noticeably better than on busy summer weekends when visitor numbers peak.
Are air quality levels in Mont Sainte-Anne 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.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.
For long term forecasts and maps, see the Airmine app