Edmundston Seasonal Pollution
Edmundston 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 New Brunswick, Canada.
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Average EPA AQI
19
Rank 155 of 158 cities by average AQI
PM2.5
3.7
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
Edmundston
15
14
13
12
17
28
34
45
22
15
8
12
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Edmundston, the current global analytics build covers 348 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.