SmogRank / World / Australia / June 2025

Most polluted cities in Australia, June 2025

2 cities in Australia ranked by their average PM2.5 over the 30 days. Worst: Sydney at 8.9 µg/m³, #1,463 of 2,182 cities in the world. Cleanest: Melbourne at 6.9. A city needs measurements on 70% of the days to be ranked.

  1. 1Sydneylow-cost sensorsNew South Wales
    49
  2. 2Melbournelow-cost sensorsVictoria
    38
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, June 2025 · Australia now

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SmogRank, most polluted cities in Australia, PM2.5, June 2025, smogrank.com/au/history/2025-06 (accessed 2 Oct 2026).

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