Worst air pollution Assiniboine Park - Winnipeg, today and tomorrow
Today (16 July): Air quality in Assiniboine Park is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (NO2: 28.2/100).
Tomorrow (17 July 2026): Air quality in Assiniboine Park is fair. All pollutants stay as today. Pollution peaks around 4:00 PM (NO2: 27.1/100). 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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Assiniboine Park's air quality benefits from its extensive parkland setting along the Assiniboine River, buffered from nearby Portage Avenue traffic.
Today - 16 July | Pollution peaks at 00:00
AQI:
Fair
28.2/100
PM2.5 (fine particles):
Good
15.1/100
PM10 (coarse particles):
Good
5.8/100
NO2 (nitrogen dioxide):
Fair
28.2/100
O3 (ozone):
Fair
25.9/100
SO2 (sulfur dioxide):
Good
2.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
10.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 16:00
AQI:
Fair
27.1/100
PM2.5 (fine particles):
Good
18.1/100
PM10 (coarse particles):
Good
6.7/100
NO2 (nitrogen dioxide):
Fair
27.1/100
O3 (ozone):
Fair
22.9/100
SO2 (sulfur dioxide):
Good
3.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
14.1/100
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Frequently Asked Questions
Is air quality bad in Assiniboine Park right now?
On 16 July 2026, overall air quality in Assiniboine Park is fair. AQI is the main air quality indicator at 28.2/100. Pollution peaks around 12:00 AM (NO2: 28.2/100).
Will air quality be worse tomorrow in Assiniboine Park?
On 17 July 2026, air quality conditions in Assiniboine Park will be similar to today, with AQI forecast at fair at 27.1/100. Pollution peaks around 4:00 PM (NO2: 27.1/100).
When is air pollution at its worst in Assiniboine Park?
Throughout the year, air quality in Assiniboine Park rises and falls with the seasons, shaped by its wooded riverside parkland in southwest Winnipeg. 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. A blustery prairie wind system typically sweeps any buildup away within a day or so.
Are air quality levels in Assiniboine Park 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