Stony Plain Health Impact
Stony Plain averaged 8.1 ug/m3 PM2.5, equal to 1.6x the WHO annual PM2.5 guideline and about 0.4 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Alberta, Canada.
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Average EPA AQI
34
Rank 52 of 158 cities by average AQI
PM2.5
8.1
ug/m3 annualized city average
Seasonality
July
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Stony Plain
39
26
26
16
35
30
60
57
30
21
31
37
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Stony Plain, 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.