Townsville Seasonal Pollution
Townsville usually records its highest OpenAQ-derived EPA AQI in September and its cleanest month in January. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Queensland, Australia.
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Average EPA AQI
30
Rank 20 of 59 cities by average AQI
PM2.5
5.7
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
Townsville
25
25
30
29
29
31
30
31
45
31
33
27
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Townsville, the current global analytics build covers 359 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.