Quebec City AQI Trends
Quebec City AQI was measured across 2024-2025, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Quebec, Canada.
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Average EPA AQI
33
Rank 58 of 158 cities by average AQI
PM2.5
6.8
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
Quebec City
33
40
27
22
28
34
43
48
36
29
25
37
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Quebec City, 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.