Worst air pollution Wanuskewin Heritage Park - Saskatoon, today and tomorrow
Today (20 September): Air quality in Wanuskewin Heritage Park is fair. AQI, PM2.5, and NO2 are fair; PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (NO2: 30.6/100).
Tomorrow (21 September 2026): Air quality in Wanuskewin Heritage Park is poor. AQI worsens to poor; PM2.5 increases to moderate; PM10 increases to fair; NO2 increases to poor; all other pollutants stay as today. Pollution peaks around 4:00 PM (NO2: 65.1/100). 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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Wanuskewin Heritage Park's air quality is excellent given its rural, undeveloped prairie setting well away from major roads.
Today - 20 September | Pollution peaks at 16:00
AQI:
Fair
30.6/100
PM2.5 (fine particles):
Fair
28.6/100
PM10 (coarse particles):
Good
15.5/100
NO2 (nitrogen dioxide):
Fair
30.6/100
O3 (ozone):
Good
16.0/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.9/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
3.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 16:00
AQI:
Poor
65.1/100
PM2.5 (fine particles):
Moderate
43.8/100
PM10 (coarse particles):
Fair
24.9/100
NO2 (nitrogen dioxide):
Poor
65.1/100
O3 (ozone):
Good
16.4/100
SO2 (sulfur dioxide):
Good
3.9/100
CO (carbon monoxide):
Good
1.1/100
HCHO (formaldehyde):
Good
4.9/100
PM1 (ultrafine particles):
Good
9.1/100
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Frequently Asked Questions
Is air quality bad in Wanuskewin Heritage Park right now?
On 20 September 2026, overall air quality in Wanuskewin Heritage Park is fair. AQI is the main air quality indicator at 30.6/100. Pollution peaks around 4:00 PM (NO2: 30.6/100).
Will air quality be worse tomorrow in Wanuskewin Heritage Park?
On 21 September 2026, air quality conditions in Wanuskewin Heritage Park will be worse than today, with AQI forecast at poor at 65.1/100. Pollution peaks around 4:00 PM (NO2: 65.1/100).
When is air pollution at its worst in Wanuskewin Heritage Park?
The air over Wanuskewin Heritage Park varies through the year, influenced by its river-valley grassland setting north of the city. Cold, calm winter days can trap heating and traffic emissions near the ground, while hot summer stretches occasionally bring drifting wildfire smoke from the boreal north. Strong gusts sweeping across the open prairie generally keep pollution from lingering for long.
Are air quality levels in Wanuskewin Heritage 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 14:33 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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