Oakville Seasonal Pollution
Oakville usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in November. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Ontario, Canada.
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Average EPA AQI
35
Rank 48 of 158 cities by average AQI
PM2.5
6.8
ug/m3 annualized city average
Seasonality
January
Cleanest: November
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Oakville
43
41
26
25
36
37
41
42
37
30
24
34
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Oakville, the current global analytics build covers 365 daily rows from 2024-01-01 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.