Drummondville Seasonal Pollution
Drummondville usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in April. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Quebec, Canada.
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Average EPA AQI
30
Rank 84 of 158 cities by average AQI
PM2.5
5.9
ug/m3 annualized city average
Seasonality
August
Cleanest: April
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Drummondville
29
35
24
19
26
35
40
41
31
25
20
32
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Drummondville, the current global analytics build covers 367 daily rows from 2024-01-01 to 2025-01-01. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.