Worst air pollution Mont Sutton - Cowansville, today and tomorrow
Today (16 July): Air quality in Mont Sutton is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 36.4/100).
Tomorrow (17 July 2026): Air quality in Mont Sutton is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 29.7/100). 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 Sutton's air quality benefits from its elevated Eastern Townships position near the Vermont border, with winter ski tourism traffic the primary seasonal local source amid otherwise clean conditions.
Today - 16 July | Pollution peaks at 07:00
AQI:
Fair
36.4/100
PM2.5 (fine particles):
Good
4.4/100
PM10 (coarse particles):
Good
1.8/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
36.4/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
3.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Fair
29.7/100
PM2.5 (fine particles):
Good
5.4/100
PM10 (coarse particles):
Good
2.0/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
29.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
2.9/100
PM1 (ultrafine particles):
Good
4.6/100
Sports venues in Cowansville
Frequently Asked Questions
Is air quality bad in Mont Sutton right now?
On 16 July 2026, overall air quality in Mont Sutton is fair. AQI is the main air quality indicator at 36.4/100. Pollution peaks around 7:00 AM (O3: 36.4/100).
Will air quality be worse tomorrow in Mont Sutton?
On 17 July 2026, air quality conditions in Mont Sutton will be similar to today, with AQI forecast at fair at 29.7/100. Pollution peaks around 8:00 AM (O3: 29.7/100).
When is air pollution at its worst in Mont Sutton?
Mont Sutton's air quality varies through the year, influenced by its wooded slopes in the Eastern Townships. 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 Mont Sutton 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