Sydney AQI Trends
Sydney AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in New South Wales, Australia.
Search city analytics
Average EPA AQI
32
Rank 13 of 59 cities by average AQI
PM2.5
6.7
ug/m3 annualized city average
Seasonality
August
Cleanest: October
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Sydney
-
28
33
35
39
36
28
42
29
26
27
31
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Sydney, the current global analytics build covers 327 daily rows from 2024-02-07 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.