Worst air pollution Vieux-Levis - Lévis, today and tomorrow
Today (16 July): Air quality in Vieux-Levis is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (O3: 48.7/100).
Tomorrow (17 July 2026): Air quality in Vieux-Levis is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 11:00 AM (O3: 34.1/100). 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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Vieux-Lévis' air quality benefits from its St. Lawrence River shoreline position across from Quebec City's old town, with river breezes providing reasonable ventilation across this historic sector.
Today - 16 July | Pollution peaks at 06:00
AQI:
Medium
48.7/100
PM2.5 (fine particles):
Good
9.4/100
PM10 (coarse particles):
Good
3.4/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
48.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
9.4/100
PM1 (ultrafine particles):
Good
11.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 11:00
AQI:
Fair
34.1/100
PM2.5 (fine particles):
Good
6.2/100
PM10 (coarse particles):
Good
1.9/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
34.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
3.0/100
PM1 (ultrafine particles):
Good
7.6/100
Other Landmarks in Lévis
Frequently Asked Questions
Is air quality bad in Vieux-Levis right now?
On 16 July 2026, overall air quality in Vieux-Levis is medium. AQI is the main air quality indicator at 48.7/100. Pollution peaks around 6:00 AM (O3: 48.7/100).
Will air quality be worse tomorrow in Vieux-Levis?
On 17 July 2026, air quality conditions in Vieux-Levis will be worse than today, with AQI forecast at fair at 34.1/100. Pollution peaks around 11:00 AM (O3: 34.1/100).
When is air pollution at its worst in Vieux-Levis?
The air over Vieux-Lévis varies through the year, influenced by its riverside streets directly across the St. Lawrence from old Quebec City. Warmer months usually bring elevated ozone and haze as heat, sunlight and vehicle emissions interact, while cooler months bring a marked improvement, apart from occasional temperature inversions that trap pollutants near the surface overnight. Its position along the St. Lawrence River tends to moderate the sharpest seasonal extremes.
Are air quality levels in Vieux-Levis 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