Grande Prairie Seasonal Pollution
Grande Prairie 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 Alberta, Canada.
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Average EPA AQI
36
Rank 38 of 158 cities by average AQI
PM2.5
10.2
ug/m3 annualized city average
Seasonality
August
Cleanest: April
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Grande Prairie
47
37
23
16
43
23
48
68
41
20
30
35
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Grande Prairie, 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.