Worst air pollution Squamish, today and tomorrow
Today (15 July): Air quality in Squamish 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: 27.4/100).
Tomorrow (16 July 2026): Air quality in Squamish is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 28.8/100). 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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Squamish's air quality benefits from Howe Sound's fjord winds, though the historic Woodfibre pulp-mill site and Sea to Sky Highway traffic have historically contributed local emissions.
Today - 15 July | Pollution peaks at 09:00
AQI:
Fair
27.4/100
PM2.5 (fine particles):
Good
7.8/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
27.4/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
6.1/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 09:00
AQI:
Fair
28.8/100
PM2.5 (fine particles):
Good
7.1/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
28.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
3.8/100
PM1 (ultrafine particles):
Good
5.8/100
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Frequently Asked Questions
Is air quality bad in Squamish right now?
On 15 July 2026, overall air quality in Squamish is fair. AQI is the main air quality indicator at 27.4/100. Pollution peaks around 9:00 AM (O3: 27.4/100).
Will air quality be worse tomorrow in Squamish?
On 16 July 2026, air quality conditions in Squamish will be similar to today, with AQI forecast at fair at 28.8/100. Pollution peaks around 9:00 AM (O3: 28.8/100).
When is air pollution at its worst in Squamish?
Squamish's air quality varies through the year, influenced by its position between the ocean fjord of Howe Sound and the Coast Mountains. 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 Squamish 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