Maple Ridge Seasonal Pollution
Maple Ridge usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in May. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in British Columbia, Canada.
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Average EPA AQI
32
Rank 74 of 158 cities by average AQI
PM2.5
6.7
ug/m3 annualized city average
Seasonality
August
Cleanest: May
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Maple Ridge
-
-
-
-
15
16
35
46
42
31
33
30
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Maple Ridge, the current global analytics build covers 235 daily rows from 2024-05-12 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.