Worst air pollution Souris, today and tomorrow
Today (9 August): Air quality in Souris is very poor. AQI and NO2 are very poor; PM2.5, O3, SO2, and PM1 are fair; PM10, CO, and HCHO are good. Pollution peaks around 2:00 PM (NO2: 81.3/100).
Tomorrow (10 August 2026): Air quality in Souris is poor. AQI improves to poor; NO2 decreases to poor; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 6:00 PM (NO2: 64.6/100). 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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Souris's air quality reflects its small-town riverside character, with Highway 2 traffic the primary modest local source.
Today - 9 August | Pollution peaks at 14:00
AQI:
Very poor
81.3/100
PM2.5 (fine particles):
Fair
31.1/100
PM10 (coarse particles):
Good
11.9/100
NO2 (nitrogen dioxide):
Very poor
81.3/100
O3 (ozone):
Fair
39.0/100
SO2 (sulfur dioxide):
Fair
37.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.0/100
PM1 (ultrafine particles):
Fair
25.4/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 18:00
AQI:
Poor
64.6/100
PM2.5 (fine particles):
Fair
27.6/100
PM10 (coarse particles):
Good
10.9/100
NO2 (nitrogen dioxide):
Poor
64.6/100
O3 (ozone):
Fair
23.3/100
SO2 (sulfur dioxide):
Fair
24.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.1/100
PM1 (ultrafine particles):
Good
19.3/100
Pollen forecast in Souris
View pollen forecastFrequently Asked Questions
Is air quality bad in Souris right now?
On 9 August 2026, overall air quality in Souris is very poor. AQI is the main air quality indicator at 81.3/100. Pollution peaks around 2:00 PM (NO2: 81.3/100).
Will air quality be worse tomorrow in Souris?
On 10 August 2026, air quality conditions in Souris will be better than today, with AQI forecast at poor at 64.6/100. Pollution peaks around 6:00 PM (NO2: 64.6/100).
When is air pollution at its worst in Souris?
Souris's air quality varies through the year, influenced by its small-town riverside streets near Highway 2. Cold winter days can trap heating emissions close to the ground, while summer heat, farm dust and occasional wildfire smoke can push pollution higher than usual. Strong prairie winds usually clear the air within a day or two, though nearby fields can add dust during planting and harvest.
Are air quality levels in Souris 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: 9 August 2026 at 20:27 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.
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