Worst air pollution Financial District Toronto - Toronto, today and tomorrow

Today (16 July): Air quality in Financial District Toronto is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 32.0/100).
Tomorrow (17 July 2026): Air quality in Financial District Toronto is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 29.1/100). 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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Financial District Toronto's air quality reflects the city's densest skyscraper core, with vehicle traffic and urban canyon effects between towers contributing to concentrated local emissions during rush hours.

Today - 16 July | Pollution peaks at 10:00

AQI:

Fair

32.0/100

PM2.5 (fine particles):

Good

7.1/100

PM10 (coarse particles):

Good

4.5/100

NO2 (nitrogen dioxide):

Good

4.1/100

O3 (ozone):

Fair

32.0/100

SO2 (sulfur dioxide):

Good

0.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.3/100

PM1 (ultrafine particles):

Good

4.8/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 08:00

AQI:

Fair

29.1/100

PM2.5 (fine particles):

Good

5.4/100

PM10 (coarse particles):

Good

2.2/100

NO2 (nitrogen dioxide):

Good

4.2/100

O3 (ozone):

Fair

29.1/100

SO2 (sulfur dioxide):

Good

0.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.0/100

PM1 (ultrafine particles):

Good

3.9/100

Other Landmarks in Toronto

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Frequently Asked Questions

Is air quality bad in Financial District Toronto right now?

On 16 July 2026, overall air quality in Financial District Toronto is fair. AQI is the main air quality indicator at 32.0/100. Pollution peaks around 10:00 AM (O3: 32.0/100).

Will air quality be worse tomorrow in Financial District Toronto?

On 17 July 2026, air quality conditions in Financial District Toronto will be similar to today, with AQI forecast at fair at 29.1/100. Pollution peaks around 8:00 AM (O3: 29.1/100).

When is air pollution at its worst in Financial District Toronto?

Financial District Toronto's air quality follows a seasonal rhythm tied to its cluster of skyscrapers and some of the city's densest traffic. 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. A day of rain or wind usually clears things up quickly.

Are air quality levels in Financial District Toronto 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