Edmonton Seasonal Pollution
Edmonton usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in April. The page uses OpenAQ-derived daily history for 11 mapped monitoring locations in Alberta, Canada.
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Average EPA AQI
47
Rank 6 of 158 cities by average AQI
PM2.5
12.7
ug/m3 annualized city average
Seasonality
August
Cleanest: April
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Edmonton
57
43
37
23
42
28
77
77
44
31
49
57
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Edmonton, 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.