Adelaide Seasonal Pollution
Adelaide usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in February. The page uses OpenAQ-derived daily history for 9 mapped monitoring locations in South Australia, Australia.
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Average EPA AQI
18
Rank 48 of 59 cities by average AQI
PM2.5
3.4
ug/m3 annualized city average
Seasonality
May
Cleanest: February
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Adelaide
19
8
14
14
38
25
21
22
15
14
13
11
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Adelaide, the current global analytics build covers 365 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.