Worst air pollution Matane, today and tomorrow
Today (20 September): Air quality in Matane is fair. AQI and PM2.5 are fair; PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (PM2.5: 26.6/100).
Tomorrow (21 September 2026): Air quality in Matane is fair. PM10 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (PM2.5: 30.6/100). 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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Matane's air quality benefits from its St. Lawrence estuary shoreline position, with river and gulf breezes providing reliable ventilation across this Gaspé-region fishing town.
Today - 20 September | Pollution peaks at 23:00
AQI:
Fair
26.6/100
PM2.5 (fine particles):
Fair
26.6/100
PM10 (coarse particles):
Good
18.1/100
NO2 (nitrogen dioxide):
Good
12.2/100
O3 (ozone):
Good
10.3/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
1.8/100
PM1 (ultrafine particles):
Good
17.3/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 13:00
AQI:
Fair
30.6/100
PM2.5 (fine particles):
Fair
30.6/100
PM10 (coarse particles):
Fair
22.4/100
NO2 (nitrogen dioxide):
Good
17.2/100
O3 (ozone):
Good
17.2/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
2.5/100
PM1 (ultrafine particles):
Good
18.4/100
Pollen forecast in Matane
View pollen forecastFrequently Asked Questions
Is air quality bad in Matane right now?
On 20 September 2026, overall air quality in Matane is fair. AQI is the main air quality indicator at 26.6/100. Pollution peaks around 11:00 PM (PM2.5: 26.6/100).
Will air quality be worse tomorrow in Matane?
On 21 September 2026, air quality conditions in Matane will be similar to today, with AQI forecast at fair at 30.6/100. Pollution peaks around 1:00 PM (PM2.5: 30.6/100).
When is air pollution at its worst in Matane?
The air over Matane varies through the year, influenced by its position along the Gaspe Peninsula's St. Lawrence shoreline. Air quality is generally good, though spring and fall fieldwork stir up dust and occasional agricultural burning, and summer humidity can trap haze close to the ground. Away from the main roads, air quality generally stays good even during the busier farming months.
Are air quality levels in Matane 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: 20 September 2026 at 14:33 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.
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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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