What is the air quality in Yellowknife?

Yellowknife, Canada has an annual US AQI of 34 (Reasonable) and average PM2.5 of 6.1 µg/m³, ranking #122 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Yellowknife?

October is typically the cleanest month (AQI 25) and July the most polluted (AQI 55).

Where does Yellowknife's air quality data come from?

PM2.5: 1998–2024 (monitors 2003–2024, satellite 1998–2004, 2006–2007, 2010, 2017). Measured by government monitoring stations. Full sources are on the methodology page.

Yellowknife, Canada — Air Quality & Clean City Guide 2026

Yellowknife Air Quality Data

Global rank	City	Continent	AQI	PM2.5
122	Yellowknife, Canada	North America	AQI 34	PM2.5 6.1 µg/m³