Worst air pollution Montreal Botanical Garden - Montréal, today and tomorrow

Today (16 July): Air quality in Montreal Botanical Garden is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 36.7/100).
Tomorrow (17 July 2026): Air quality in Montreal Botanical Garden is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 30.9/100). 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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Montréal Botanical Garden's air quality benefits from its extensive landscaped grounds adjacent to Olympic Park, providing substantial green space and natural buffering from surrounding east-end traffic.

Today - 16 July | Pollution peaks at 07:00

AQI:

Fair

36.7/100

PM2.5 (fine particles):

Good

5.2/100

PM10 (coarse particles):

Good

2.0/100

NO2 (nitrogen dioxide):

Good

5.6/100

O3 (ozone):

Fair

36.7/100

SO2 (sulfur dioxide):

Good

0.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.0/100

PM1 (ultrafine particles):

Good

4.9/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 08:00

AQI:

Fair

30.9/100

PM2.5 (fine particles):

Good

6.5/100

PM10 (coarse particles):

Good

2.4/100

NO2 (nitrogen dioxide):

Good

5.5/100

O3 (ozone):

Fair

30.9/100

SO2 (sulfur dioxide):

Good

0.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.9/100

PM1 (ultrafine particles):

Good

5.6/100

Other Landmarks in Montréal

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Frequently Asked Questions

Is air quality bad in Montreal Botanical Garden right now?

On 16 July 2026, overall air quality in Montreal Botanical Garden is fair. AQI is the main air quality indicator at 36.7/100. Pollution peaks around 7:00 AM (O3: 36.7/100).

Will air quality be worse tomorrow in Montreal Botanical Garden?

On 17 July 2026, air quality conditions in Montreal Botanical Garden will be similar to today, with AQI forecast at fair at 30.9/100. Pollution peaks around 8:00 AM (O3: 30.9/100).

When is air pollution at its worst in Montreal Botanical Garden?

Montreal Botanical Garden's air quality follows a seasonal rhythm tied to its setting beside the Olympic Park in eastern Montréal. The warmest months typically see the poorest air quality, with heat and heavy traffic driving up smog levels on windless days, whereas fall and winter tend to bring cleaner, more variable conditions. Local monitoring stations typically flag the sharpest changes during still, hot afternoons in July and August.

Are air quality levels in Montreal Botanical Garden 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