Estevan Seasonal Pollution
Estevan usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in June. 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 seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
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.