Worst air pollution Mont-Grand-Fonds - La Malbaie, today and tomorrow
Today (16 July): Air quality in Mont-Grand-Fonds is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 51.8/100).
Tomorrow (17 July 2026): Air quality in Mont-Grand-Fonds is medium. All pollutants stay as today. Pollution peaks around 10:00 AM (O3: 44.2/100). 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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Mont-Grand-Fonds' air quality benefits from its elevated Charlevoix position, with winter ski tourism traffic the primary seasonal local source amid otherwise clean rural conditions.
Today - 16 July | Pollution peaks at 07:00
AQI:
Medium
51.8/100
PM2.5 (fine particles):
Good
8.7/100
PM10 (coarse particles):
Good
3.0/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
51.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
11.5/100
PM1 (ultrafine particles):
Good
10.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 10:00
AQI:
Medium
44.2/100
PM2.5 (fine particles):
Good
5.5/100
PM10 (coarse particles):
Good
1.6/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
44.2/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Good
7.0/100
Sports venues in La Malbaie
Frequently Asked Questions
Is air quality bad in Mont-Grand-Fonds right now?
On 16 July 2026, overall air quality in Mont-Grand-Fonds is medium. AQI is the main air quality indicator at 51.8/100. Pollution peaks around 7:00 AM (O3: 51.8/100).
Will air quality be worse tomorrow in Mont-Grand-Fonds?
On 17 July 2026, air quality conditions in Mont-Grand-Fonds will be similar to today, with AQI forecast at medium at 44.2/100. Pollution peaks around 10:00 AM (O3: 44.2/100).
When is air pollution at its worst in Mont-Grand-Fonds?
Mont-Grand-Fonds's air quality changes through the year largely because of its forested slopes above La Malbaie in Charlevoix. 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-Grand-Fonds 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