SmogRank / World / Australia / October 2024
Most polluted cities in Australia, October 2024
8 cities in Australia ranked by their average PM2.5 over the 31 days. Worst: Melbourne at 4.9 µg/m³, #1,391 of 1,561 cities in the world. Cleanest: Bendigo at 1.9. A city needs measurements on 70% of the days to be ranked.
← Melbourne 4.9
- 1Melbournelow-cost sensorsVictoria 27
- 1GeelongVictoria 27
- 1Bacchus MarshVictoria 27
- 4TraralgonVictoria 25
- 5Sydneylow-cost sensorsNew South Wales 24
- 6MilduraVictoria 18
- 7WangarattaVictoria 11
- 8BendigoVictoria 11
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, October 2024 · Australia now
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SmogRank, most polluted cities in Australia, PM2.5, October 2024, smogrank.com/au/history/2024-10 (accessed 2 Oct 2026).
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