Worst air pollution Courtenay, today and tomorrow
Today (15 July): Air quality in Courtenay is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (NO2: 46.7/100).
Tomorrow (16 July 2026): Air quality in Courtenay is fair. All pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 43.3/100). 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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Courtenay's air quality benefits from Georgia Strait proximity and valley ventilation, with Highway 19 traffic the primary local source amid otherwise clean island air.
Today - 15 July | Pollution peaks at 22:00
AQI:
Medium
46.7/100
PM2.5 (fine particles):
Good
16.1/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Medium
46.7/100
O3 (ozone):
Fair
27.4/100
SO2 (sulfur dioxide):
Good
8.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
12.4/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 22:00
AQI:
Medium
43.3/100
PM2.5 (fine particles):
Good
14.6/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Medium
43.3/100
O3 (ozone):
Fair
28.8/100
SO2 (sulfur dioxide):
Good
10.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
12.0/100
Pollen forecast in Courtenay
View pollen forecastFrequently Asked Questions
Is air quality bad in Courtenay right now?
On 15 July 2026, overall air quality in Courtenay is fair. O3 is the main pollutant at 27.4/100. Pollution peaks around 10:00 PM (NO2: 46.7/100).
Will air quality be worse tomorrow in Courtenay?
On 16 July 2026, air quality conditions in Courtenay will be similar to today, with O3 forecast at fair at 28.8/100. Pollution peaks around 10:00 PM (NO2: 43.3/100).
When is air pollution at its worst in Courtenay?
Courtenay's air quality varies through the year, influenced by the farmland and forest of the Comox Valley on Vancouver Island. Persistent winter rain generally keeps pollution levels low, while dry summer stretches can bring some haze from traffic and, in smoky years, wildfires burning inland. Frequent Pacific storms during the cooler months usually clear the air completely within a day.
Are air quality levels in Courtenay 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