Sherbrooke Seasonal Pollution
Sherbrooke usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in October. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Quebec, Canada.
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Average EPA AQI
27
Rank 96 of 158 cities by average AQI
PM2.5
5.2
ug/m3 annualized city average
Seasonality
August
Cleanest: October
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Sherbrooke
31
40
27
21
25
34
39
40
16
16
20
21
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Sherbrooke, the current global analytics build covers 366 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.