What is the air quality in Whitehorse?

Whitehorse, Canada has an annual US AQI of 33 (Reasonable) and average PM2.5 of 4.2 µg/m³, ranking #90 of 5856 cities. Main pollutant: O3.

What is the cleanest month in Whitehorse?

September is typically the cleanest month (AQI 25) and April the most polluted (AQI 40).

Where does Whitehorse's air quality data come from?

PM2.5: 1998–2026 (monitors 2001–2005, 2007–2023, 2025–2026, satellite 1998–2001, 2006, 2009, 2011, 2014–2015, 2018–2019, 2022, 2024; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Whitehorse, Canada — Air Quality & Clean City Guide 2026

Whitehorse Air Quality Data

Global rank	City	Continent	AQI	PM2.5
90	Whitehorse, Canada	North America	AQI 33	PM2.5 4.2 µg/m³