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.
Excellent0–50
Good51–100
Lightly polluted101–150
Moderately polluted151–200
Heavily polluted201–300
Severely polluted301+
China's Air Quality Index (HJ 633-2012), PM2.5 individual index. 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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