SmogRank / World / Australia / January 2024

Most polluted cities in Australia, January 2024

1 city in Australia ranked by their average PM2.5 over the 31 days. Worst: Sydney at 3.7 µg/m³, #1,988 of 2,056 cities in the world. A city needs measurements on 70% of the days to be ranked.

  1. 1Sydneylow-cost sensorsNew South Wales
    21
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, January 2024 · Australia now

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SmogRank, most polluted cities in Australia, PM2.5, January 2024, smogrank.com/au/history/2024-01 (accessed 2 Oct 2026).

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