Warrnambool Seasonal Pollution
Warrnambool usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Victoria, Australia.
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Average EPA AQI
14
Rank 58 of 59 cities by average AQI
PM2.5
2.7
ug/m3 annualized city average
Seasonality
August
Cleanest: September
Health indicator
0.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Warrnambool
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16
14
15
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What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Warrnambool, the current global analytics build covers 52 daily rows from 2024-08-25 to 2024-10-15. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.