Regina Seasonal Pollution
Regina usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in June. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Saskatchewan, Canada.
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Average EPA AQI
42
Rank 15 of 158 cities by average AQI
PM2.5
9.9
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
Regina
42
52
53
29
32
21
74
65
40
32
33
34
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Regina, the current global analytics build covers 360 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.