Estevan Health Impact
Estevan averaged 9.7 ug/m3 PM2.5, equal to 1.9x 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 1 mapped monitoring location in Saskatchewan, Canada.
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Average EPA AQI
43
Rank 12 of 158 cities by average AQI
PM2.5
9.7
ug/m3 annualized city average
Seasonality
July
Cleanest: June
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Estevan
36
44
37
38
39
28
82
60
45
35
36
33
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Estevan, the current global analytics build covers 362 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.