Mackay Seasonal Pollution
Mackay usually records its highest OpenAQ-derived EPA AQI in September and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Queensland, Australia.
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Average EPA AQI
33
Rank 7 of 59 cities by average AQI
PM2.5
6.0
ug/m3 annualized city average
Seasonality
September
Cleanest: May
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Mackay
30
31
36
28
28
32
33
30
45
40
34
30
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Mackay, 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.