Prince George Seasonal Pollution
Prince George usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in May. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in British Columbia, Canada.
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Average EPA AQI
40
Rank 21 of 158 cities by average AQI
PM2.5
9.1
ug/m3 annualized city average
Seasonality
August
Cleanest: May
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Prince George
47
53
47
27
20
28
43
57
47
35
35
41
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Prince George, the current global analytics build covers 366 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.