Ayr Seasonal Pollution
Ayr usually records its highest OpenAQ-derived EPA AQI in September and its cleanest month in February. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Queensland, Australia.
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Average EPA AQI
26
Rank 32 of 59 cities by average AQI
PM2.5
4.8
ug/m3 annualized city average
Seasonality
September
Cleanest: February
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ayr
28
19
25
24
22
23
27
26
39
30
26
23
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ayr, the current global analytics build covers 335 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.