Worst air pollution Terry Fox Memorial - Thunder Bay, today and tomorrow

Today (16 July): Air quality in Terry Fox Memorial is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 50.9/100).
Tomorrow (17 July 2026): Air quality in Terry Fox Memorial is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 AM (O3: 39.8/100). 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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Terry Fox Memorial's air quality benefits from its elevated Lake Superior lookout position near Thunder Bay, with lake breezes providing reliable ventilation amid minimal local traffic.

Today - 16 July | Pollution peaks at 08:00

AQI:

Medium

50.9/100

PM2.5 (fine particles):

Good

6.8/100

PM10 (coarse particles):

Good

2.2/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Medium

50.9/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Good

7.0/100

PM1 (ultrafine particles):

Good

8.3/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 09:00

AQI:

Fair

39.8/100

PM2.5 (fine particles):

Good

5.3/100

PM10 (coarse particles):

Good

1.7/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Fair

39.8/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Good

3.3/100

PM1 (ultrafine particles):

Good

6.1/100

Other Landmarks in Thunder Bay

Sports venues in Thunder Bay

Frequently Asked Questions

Is air quality bad in Terry Fox Memorial right now?

On 16 July 2026, overall air quality in Terry Fox Memorial is medium. AQI is the main air quality indicator at 50.9/100. Pollution peaks around 8:00 AM (O3: 50.9/100).

Will air quality be worse tomorrow in Terry Fox Memorial?

On 17 July 2026, air quality conditions in Terry Fox Memorial will be worse than today, with AQI forecast at fair at 39.8/100. Pollution peaks around 9:00 AM (O3: 39.8/100).

When is air pollution at its worst in Terry Fox Memorial?

Seasonal air quality in Terry Fox Memorial is closely linked to its lookout position above Lake Superior on the edge of Thunder Bay. For much of the year the air is clean and forest-fresh, but summer and early autumn carry real risk of smoke episodes when wildfires burn nearby or further north. Local monitoring stations often see their highest readings of the year during major regional fire events.

Are air quality levels in Terry Fox Memorial 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