Worst air pollution Calgary Zoo - Calgary, today and tomorrow
Today (9 August): Air quality in Calgary Zoo is poor. AQI and NO2 are poor; PM2.5, SO2, and PM1 are fair; O3 is medium; PM10, CO, and HCHO are good. Pollution peaks around 12:00 AM (NO2: 64.7/100).
Tomorrow (10 August 2026): Air quality in Calgary Zoo is fair. AQI improves to fair; PM2.5 decreases to good; NO2 decreases to fair; O3 increases to fair; SO2 decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 33.3/100). 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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Calgary Zoo's air quality benefits from its Bow River island setting, with Memorial Drive traffic along the riverbank the modest local source.
Today - 9 August | Pollution peaks at 00:00
AQI:
Poor
64.7/100
PM2.5 (fine particles):
Fair
27.9/100
PM10 (coarse particles):
Good
7.7/100
NO2 (nitrogen dioxide):
Poor
64.7/100
O3 (ozone):
Medium
56.2/100
SO2 (sulfur dioxide):
Fair
24.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.8/100
PM1 (ultrafine particles):
Fair
34.8/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 23:00
AQI:
Fair
33.3/100
PM2.5 (fine particles):
Good
9.7/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Fair
33.3/100
O3 (ozone):
Fair
33.3/100
SO2 (sulfur dioxide):
Good
7.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
8.4/100
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Frequently Asked Questions
Is air quality bad in Calgary Zoo right now?
On 9 August 2026, overall air quality in Calgary Zoo is poor. AQI is the main air quality indicator at 64.7/100. Pollution peaks around 12:00 AM (NO2: 64.7/100).
Will air quality be worse tomorrow in Calgary Zoo?
On 10 August 2026, air quality conditions in Calgary Zoo will be better than today, with AQI forecast at fair at 33.3/100. Pollution peaks around 11:00 PM (NO2: 33.3/100).
When is air pollution at its worst in Calgary Zoo?
Air quality at the Calgary Zoo shifts noticeably across the seasons, shaped by its Bow River island setting along Memorial Drive. Winter's sudden chinook winds can melt snow and clear the air within hours, while summer heat and wildfire smoke drifting from the Rockies occasionally push pollution higher. These warm winter winds are one of the most distinctive features of the local climate.
Are air quality levels in Calgary Zoo 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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