SmogRank / Cleaner or dirtier / Australia

Australia: cleaner or dirtier, 2024

In Australia, 15 cities have enough days in both years to compare 2024 with the same days of 2023: 3 got dirtier and 11 cleaner.

The 3 cities that got dirtier, biggest rise first

#	City	2023	2024	Change
1	CanberraAustralian Capital Territory, Australia	32	38	+1.0 µg/m³+17%
2	Logan CityQueensland, Australia	36	39	+0.7 µg/m³+11%
3	TuggeranongAustralian Capital Territory, Australia	37	38	+0.1 µg/m³+1%

The 11 cities that got cleaner, biggest fall first

#	City	2023	2024	Change
1	Tannum SandsQueensland, Australia	42	29	−2.2 µg/m³−29%
2	AyrQueensland, Australia	36	28	−1.5 µg/m³−23%
3	EmeraldQueensland, Australia	44	36	−1.5 µg/m³−19%
4	GladstoneQueensland, Australia	36	31	−0.9 µg/m³−14%
5	MackayQueensland, Australia	38	34	−0.8 µg/m³−12%
6	TownsvilleQueensland, Australia	36	32	−0.7 µg/m³−11%
7	BrisbaneQueensland, Australia	40	36	−0.7 µg/m³−10%
8	ToowoombaQueensland, Australia	35	33	−0.4 µg/m³−6%
9	Sunshine CoastQueensland, Australia	34	32	−0.3 µg/m³−5%
10	MoranbahQueensland, Australia	41	41	−0.1 µg/m³−1%
11	Mango HillQueensland, Australia	35	34	−0.1 µg/m³−2%

Means in US AQI over the days a city was measured in both years, the same calendar days each year; a city needs 55% of the days paired, and at least 30. The change is in µg/m³ and per cent. How we compare.

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

Updated 2026-10-07 12:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.