Worst air pollution Shawville, today and tomorrow

Today (16 July): Air quality in Shawville 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 Shawville 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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Shawville's air quality benefits from the rural Pontiac-region farmland surrounding this small Outaouais town, with vehicle traffic on Highway 148 the primary local source amid good wind dispersal.

Today - 16 July | Pollution peaks at 07:00

AQI:

Fair

36.7/100

PM2.5 (fine particles):

Good

6.5/100

PM10 (coarse particles):

Good

2.5/100

NO2 (nitrogen dioxide):

Good

16.2/100

O3 (ozone):

Fair

36.7/100

SO2 (sulfur dioxide):

Good

2.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.0/100

PM1 (ultrafine particles):

Good

6.1/100

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

8.2/100

PM10 (coarse particles):

Good

3.0/100

NO2 (nitrogen dioxide):

Good

15.9/100

O3 (ozone):

Fair

30.9/100

SO2 (sulfur dioxide):

Good

1.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.9/100

PM1 (ultrafine particles):

Good

7.0/100

Pollen forecast in Shawville

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Frequently Asked Questions

Is air quality bad in Shawville right now?

On 16 July 2026, overall air quality in Shawville 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 Shawville?

On 17 July 2026, air quality conditions in Shawville 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 Shawville?

Shawville's air quality varies through the year, influenced by farmland of the Pontiac region along the Ottawa River. 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. Away from the main roads, air quality generally stays good even during the busier farming months.

Are air quality levels in Shawville 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