Melbourne Seasonal Pollution
Melbourne usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in September. The page uses OpenAQ-derived daily history for 17 mapped monitoring locations in Victoria, Australia.
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Average EPA AQI
30
Rank 21 of 59 cities by average AQI
PM2.5
6.0
ug/m3 annualized city average
Seasonality
May
Cleanest: September
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Melbourne
-
-
-
30
48
33
31
31
22
25
30
23
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Melbourne, the current global analytics build covers 265 daily rows from 2024-04-11 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.