Cairns Health Impact
Cairns averaged 5.8 ug/m3 PM2.5, equal to 1.2x 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 1 mapped monitoring location in Queensland, Australia.
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Average EPA AQI
32
Rank 17 of 59 cities by average AQI
PM2.5
5.8
ug/m3 annualized city average
Seasonality
September
Cleanest: January
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Cairns
25
25
25
28
30
31
32
33
46
39
34
30
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Cairns, the current global analytics build covers 360 daily rows from 2023-12-31 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.