SmogRank / World / Australia / Queensland / September 2025
Most polluted cities in Queensland, Australia, September 2025
18 cities in Queensland, Australia ranked by their average PM2.5 over the 30 days. Worst: Townsville at 9.3 µg/m³, #788 of 3,052 cities in the world. Cleanest: Tannum Sands at 4.4. A city needs measurements on 70% of the days to be ranked.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Townsville 0%
- 2Mackay 0%
- 3Toowoomba 0%
- 4Ayr 0%
- 4Moranbah 0%
- 6Emerald 0%
- 7Blackwater 0%
- 8Brisbane 0%
- 9Maryborough 0%
- 10Cairns 0%
- 10Logan City 0%
- 12Gold Coast 0%
- 13Mango Hill 0%
- 13Coomera 0%
- 15Mount Isa 0%
- 16Sunshine Coast 0%
- 17Gladstone 0%
- 18Tannum Sands 0%
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
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SmogRank, most polluted cities in Queensland, Australia, PM2.5, September 2025, smogrank.com/au/region/queensland/history/2025-09 (accessed 7 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.