Worst air pollution Basilique Sainte-Anne-de-Beaupre - Quebec City, today and tomorrow

Today (16 July): Air quality in Basilique Sainte-Anne-de-Beaupre is poor. AQI, NO2, and O3 are poor; PM2.5 and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 12:00 AM (NO2: 76.4/100).
Tomorrow (17 July 2026): Air quality in Basilique Sainte-Anne-de-Beaupre is poor. O3 decreases to fair; all other pollutants stay as today. Pollution peaks around 7:00 PM (NO2: 61.1/100). 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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Basilique Sainte-Anne-de-Beaupré's air quality benefits from its St. Lawrence River shoreline position, with river breezes providing reliable ventilation, though pilgrim coach traffic generates seasonal local peaks.

Today - 16 July | Pollution peaks at 00:00

AQI:

Poor

76.4/100

PM2.5 (fine particles):

Fair

34.6/100

PM10 (coarse particles):

Good

12.3/100

NO2 (nitrogen dioxide):

Poor

76.4/100

O3 (ozone):

Poor

60.6/100

SO2 (sulfur dioxide):

Good

10.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

11.9/100

PM1 (ultrafine particles):

Fair

38.2/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 19:00

AQI:

Poor

61.1/100

PM2.5 (fine particles):

Fair

25.6/100

PM10 (coarse particles):

Good

7.7/100

NO2 (nitrogen dioxide):

Poor

61.1/100

O3 (ozone):

Fair

38.5/100

SO2 (sulfur dioxide):

Good

6.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.6/100

PM1 (ultrafine particles):

Fair

30.2/100

Other Landmarks in Quebec City

Sports venues in Quebec City

Frequently Asked Questions

Is air quality bad in Basilique Sainte-Anne-de-Beaupre right now?

On 16 July 2026, overall air quality in Basilique Sainte-Anne-de-Beaupre is poor. AQI is the main air quality indicator at 76.4/100. Pollution peaks around 12:00 AM (NO2: 76.4/100).

Will air quality be worse tomorrow in Basilique Sainte-Anne-de-Beaupre?

On 17 July 2026, air quality conditions in Basilique Sainte-Anne-de-Beaupre will be similar to today, with AQI forecast at poor at 61.1/100. Pollution peaks around 7:00 PM (NO2: 61.1/100).

When is air pollution at its worst in Basilique Sainte-Anne-de-Beaupre?

Air quality at Basilique Sainte-Anne-de-Beaupré shifts noticeably across the seasons, shaped by its riverside pilgrimage setting east of 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 Basilique Sainte-Anne-de-Beaupre 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