Worst air pollution Iles-de-la-Madeleine - Perce, today and tomorrow
Today (9 August): Air quality in Iles-de-la-Madeleine is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 38.0/100).
Tomorrow (10 August 2026): Air quality in Iles-de-la-Madeleine is fair. All pollutants stay as today. Pollution peaks around 11:00 AM (O3: 27.3/100). 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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Îles-de-la-Madeleine's air quality benefits from their exceptionally exposed Gulf of St. Lawrence position, with consistent powerful winds providing among Quebec's most reliable natural ventilation.
Today - 9 August | Pollution peaks at 09:00
AQI:
Fair
38.0/100
PM2.5 (fine particles):
Good
11.7/100
PM10 (coarse particles):
Good
9.1/100
NO2 (nitrogen dioxide):
Good
12.8/100
O3 (ozone):
Fair
38.0/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.2/100
PM1 (ultrafine particles):
Good
6.6/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 11:00
AQI:
Fair
27.3/100
PM2.5 (fine particles):
Good
8.1/100
PM10 (coarse particles):
Good
5.8/100
NO2 (nitrogen dioxide):
Good
8.9/100
O3 (ozone):
Fair
27.3/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.9/100
PM1 (ultrafine particles):
Good
4.8/100
Other Landmarks in Perce
Frequently Asked Questions
Is air quality bad in Iles-de-la-Madeleine right now?
On 9 August 2026, overall air quality in Iles-de-la-Madeleine is fair. AQI is the main air quality indicator at 38.0/100. Pollution peaks around 9:00 AM (O3: 38.0/100).
Will air quality be worse tomorrow in Iles-de-la-Madeleine?
On 10 August 2026, air quality conditions in Iles-de-la-Madeleine will be similar to today, with AQI forecast at fair at 27.3/100. Pollution peaks around 11:00 AM (O3: 27.3/100).
When is air pollution at its worst in Iles-de-la-Madeleine?
The Îles-de-la-Madeleine's air quality changes through the year largely because of its remote sandy archipelago in the Gulf of St. Lawrence. For much of the year the air is clean and forest-fresh, but summer and early autumn carry real risk of smoke episodes when wildfires burn nearby or further north. Because the population is small, local emissions rarely matter as much as what drifts in from distant fires.
Are air quality levels in Iles-de-la-Madeleine 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: 10 August 2026 at 02:34 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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