SmogRank / Countries / Australia / July 2026
Most polluted cities in Australia, July 2026
9 cities in Australia ranked by their average PM2.5 over the 31 days. Worst: Melbourne at 6.7 µg/m³, #1,820 of 2,262 cities in the world. Cleanest: Bendigo at 3.5. A city needs measurements on 70% of the days to be ranked.
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+