Charlottetown Seasonal Pollution
Charlottetown usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in November. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Prince Edward Island, Canada.
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Average EPA AQI
23
Rank 124 of 158 cities by average AQI
PM2.5
4.3
ug/m3 annualized city average
Seasonality
August
Cleanest: November
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Charlottetown
27
26
24
25
21
22
28
30
19
19
18
20
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Charlottetown, the current global analytics build covers 358 daily rows from 2024-01-02 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.