Sorel-Tracy Seasonal Pollution
Sorel-Tracy usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in November. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Quebec, Canada.
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Average EPA AQI
36
Rank 32 of 158 cities by average AQI
PM2.5
7.5
ug/m3 annualized city average
Seasonality
July
Cleanest: November
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Sorel-Tracy
-
-
-
-
37
42
45
44
35
31
20
38
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Sorel-Tracy, the current global analytics build covers 243 daily rows from 2024-04-30 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.