What is the air quality in Perth?

Perth, Australia has an annual US AQI of 35 (Reasonable) and average PM2.5 of 6.3 µg/m³, ranking #142 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Perth?

June is typically the cleanest month (AQI 29) and January the most polluted (AQI 44).

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
142	Perth, Australia	Oceania	AQI 35	PM2.5 6.3 µg/m³