Worst air pollution Joliette, today and tomorrow

Today (16 July): Air quality in Joliette is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 38.9/100).
Tomorrow (17 July 2026): Air quality in Joliette is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 32.3/100). 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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Joliette's air quality benefits from the flat, open Lanaudière farmland surrounding this regional hub, with agricultural operations and vehicle traffic on Highway 31 the primary local sources.

Today - 16 July | Pollution peaks at 07:00

AQI:

Fair

38.9/100

PM2.5 (fine particles):

Good

7.8/100

PM10 (coarse particles):

Good

2.9/100

NO2 (nitrogen dioxide):

Fair

34.2/100

O3 (ozone):

Fair

38.9/100

SO2 (sulfur dioxide):

Good

2.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.2/100

PM1 (ultrafine particles):

Good

8.3/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 10:00

AQI:

Fair

32.3/100

PM2.5 (fine particles):

Good

7.6/100

PM10 (coarse particles):

Good

3.1/100

NO2 (nitrogen dioxide):

Good

19.5/100

O3 (ozone):

Fair

32.3/100

SO2 (sulfur dioxide):

Good

1.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.1/100

PM1 (ultrafine particles):

Good

6.6/100

Pollen forecast in Joliette

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Sports venues in Joliette

Frequently Asked Questions

Is air quality bad in Joliette right now?

On 16 July 2026, overall air quality in Joliette is fair. AQI is the main air quality indicator at 38.9/100. Pollution peaks around 7:00 AM (O3: 38.9/100).

Will air quality be worse tomorrow in Joliette?

On 17 July 2026, air quality conditions in Joliette will be similar to today, with AQI forecast at fair at 32.3/100. Pollution peaks around 10:00 AM (O3: 32.3/100).

When is air pollution at its worst in Joliette?

Air quality in Joliette shifts noticeably across the seasons, shaped by the farmland of the Lanaudiere region surrounding it. Spring planting and fall harvest can raise dust levels briefly, while summer heat occasionally pushes up ground-level ozone; winter usually brings the cleanest, calmest air of the year. Wind can carry dust well beyond the fields themselves during the busiest planting and harvest weeks.

Are air quality levels in Joliette 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