Sydney Health Impact
Sydney averaged 6.7 ug/m3 PM2.5, equal to 1.3x the WHO annual PM2.5 guideline and about 0.3 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in New South Wales, Australia.
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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 health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
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.