Worst air pollution La Baie - Saguenay, today and tomorrow
Today (16 July): Air quality in La Baie is fair. PM1 is fair; AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 8:00 AM (O3: 50.9/100).
Tomorrow (17 July 2026): Air quality in La Baie is fair. O3 increases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 45.5/100). 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
Use our Strava plugin to check your own exposure.
La Baie's air quality benefits from its Saguenay Fjord shoreline position, with fjord breezes providing reasonable ventilation across this historic port sector of Saguenay.
Today - 16 July | Pollution peaks at 08:00
AQI:
Medium
50.9/100
PM2.5 (fine particles):
Good
16.7/100
PM10 (coarse particles):
Good
5.4/100
NO2 (nitrogen dioxide):
Medium
48.2/100
O3 (ozone):
Medium
50.9/100
SO2 (sulfur dioxide):
Good
7.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.0/100
PM1 (ultrafine particles):
Fair
20.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Medium
45.5/100
PM2.5 (fine particles):
Good
13.0/100
PM10 (coarse particles):
Good
4.3/100
NO2 (nitrogen dioxide):
Medium
45.5/100
O3 (ozone):
Fair
39.8/100
SO2 (sulfur dioxide):
Good
7.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
14.9/100
Other Landmarks in Saguenay
Frequently Asked Questions
Is air quality bad in La Baie right now?
On 16 July 2026, overall air quality in La Baie is fair. PM1 is the main pollutant at 20.1/100. Pollution peaks around 8:00 AM (O3: 50.9/100).
Will air quality be worse tomorrow in La Baie?
On 17 July 2026, air quality conditions in La Baie will be similar to today, with O3 forecast at fair at 39.8/100. Pollution peaks around 11:00 PM (NO2: 45.5/100).
When is air pollution at its worst in La Baie?
La Baie sees clear seasonal swings in air quality, driven in part by its position at the head of the Saguenay Fjord. Air quality is generally very good outside of wildfire season, though hot, dry summers can bring smoky, hazy stretches when fires burn across the wider region. Wind direction across the river determines how much of the industrial output drifts into town on any given day.
Are air quality levels in La Baie 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.
Check air quality in other popular cities:
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