Worst air pollution Canyon Sainte-Anne - Quebec City, today and tomorrow
Today (16 July): Air quality in Canyon Sainte-Anne is poor. AQI and O3 are poor; PM2.5 and PM1 are fair; NO2 is medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 7:00 AM (O3: 60.6/100).
Tomorrow (17 July 2026): Air quality in Canyon Sainte-Anne is fair. AQI improves to medium; PM2.5 decreases to good; O3 decreases to fair; all other pollutants stay as today. Pollution peaks around 7:00 PM (NO2: 48.0/100). 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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Canyon Sainte-Anne's air quality benefits from its forested gorge position near Quebec City, with minimal traffic beyond seasonal visitors keeping conditions generally excellent.
Today - 16 July | Pollution peaks at 07:00
AQI:
Poor
60.6/100
PM2.5 (fine particles):
Fair
26.2/100
PM10 (coarse particles):
Good
9.1/100
NO2 (nitrogen dioxide):
Medium
58.8/100
O3 (ozone):
Poor
60.6/100
SO2 (sulfur dioxide):
Good
6.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.9/100
PM1 (ultrafine particles):
Fair
29.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 19:00
AQI:
Medium
48.0/100
PM2.5 (fine particles):
Good
19.4/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Medium
48.0/100
O3 (ozone):
Fair
38.5/100
SO2 (sulfur dioxide):
Good
4.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.6/100
PM1 (ultrafine particles):
Fair
23.7/100
Other Landmarks in Quebec City
Sports venues in Quebec City
Frequently Asked Questions
Is air quality bad in Canyon Sainte-Anne right now?
On 16 July 2026, overall air quality in Canyon 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 Canyon Sainte-Anne?
On 17 July 2026, air quality conditions in Canyon Sainte-Anne will be better than today, with O3 forecast at fair at 38.5/100. Pollution peaks around 7:00 PM (NO2: 48.0/100).
When is air pollution at its worst in Canyon Sainte-Anne?
Air quality at Canyon Sainte-Anne shifts noticeably across the seasons, shaped by its forested gorge east of Quebec City. 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. As a part of the old capital region, it shares much of downtown Quebec City's broad seasonal pattern.
Are air quality levels in Canyon 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