Worst air pollution Cole Harbour - Halifax, today and tomorrow

Today (16 July): Air quality in Cole Harbour is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 37.0/100).
Tomorrow (17 July 2026): Air quality in Cole Harbour is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 30.4/100). 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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Cole Harbour's air quality benefits from its estuary and coastal position, with Cole Harbour Road traffic the modest primary local source.

Today - 16 July | Pollution peaks at 08:00

AQI:

Fair

37.0/100

PM2.5 (fine particles):

Good

6.7/100

PM10 (coarse particles):

Good

3.0/100

NO2 (nitrogen dioxide):

Good

4.9/100

O3 (ozone):

Fair

37.0/100

SO2 (sulfur dioxide):

Good

1.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.5/100

PM1 (ultrafine particles):

Good

5.7/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 09:00

AQI:

Fair

30.4/100

PM2.5 (fine particles):

Good

6.5/100

PM10 (coarse particles):

Good

2.9/100

NO2 (nitrogen dioxide):

Good

5.0/100

O3 (ozone):

Fair

30.4/100

SO2 (sulfur dioxide):

Good

0.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.4/100

PM1 (ultrafine particles):

Good

5.0/100

Other Landmarks in Halifax

Sports venues in Halifax

Frequently Asked Questions

Is air quality bad in Cole Harbour right now?

On 16 July 2026, overall air quality in Cole Harbour is fair. AQI is the main air quality indicator at 37.0/100. Pollution peaks around 8:00 AM (O3: 37.0/100).

Will air quality be worse tomorrow in Cole Harbour?

On 17 July 2026, air quality conditions in Cole Harbour will be similar to today, with AQI forecast at fair at 30.4/100. Pollution peaks around 9:00 AM (O3: 30.4/100).

When is air pollution at its worst in Cole Harbour?

Cole Harbour experiences a distinct seasonal pattern in air quality, tied to its suburban streets east of Dartmouth. Coastal fog and summer humidity are the main features, occasionally trapping local emissions on calm, muggy days, while winter storms off the Atlantic usually keep the air scoured clean. Onshore breezes off the Atlantic usually clear the air within a day or so.

Are air quality levels in Cole Harbour 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