Worst air pollution Transcona - Winnipeg, today and tomorrow
Today (16 July): Air quality in Transcona is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 25.9/100).
Tomorrow (17 July 2026): Air quality in Transcona is fair. All pollutants stay as today. Pollution peaks around 11:00 AM (O3: 22.9/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Transcona's air quality reflects its historic rail-yard industrial character, with CN rail operations and Regent Avenue traffic contributing local emissions.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
25.9/100
PM2.5 (fine particles):
Good
11.1/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Good
1.8/100
O3 (ozone):
Fair
25.9/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
7.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 11:00
AQI:
Fair
22.9/100
PM2.5 (fine particles):
Good
13.3/100
PM10 (coarse particles):
Good
4.9/100
NO2 (nitrogen dioxide):
Good
1.7/100
O3 (ozone):
Fair
22.9/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
10.4/100
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Frequently Asked Questions
Is air quality bad in Transcona right now?
On 16 July 2026, overall air quality in Transcona is fair. AQI is the main air quality indicator at 25.9/100. Pollution peaks around 12:00 PM (O3: 25.9/100).
Will air quality be worse tomorrow in Transcona?
On 17 July 2026, air quality conditions in Transcona will be similar to today, with AQI forecast at fair at 22.9/100. Pollution peaks around 11:00 AM (O3: 22.9/100).
When is air pollution at its worst in Transcona?
Throughout the year, air quality in Transcona rises and falls with the seasons, shaped by its rail-yard heritage in the city's east end. Air quality tends to dip during hot, humid summer lulls, and again on the coldest winter nights when heating smoke lingers close to the ground. The open, flat terrain means winds rarely take long to disperse whatever accumulates.
Are air quality levels in Transcona 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