Squamish AQI Trends
Squamish AQI was measured across 2024-2025, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in British Columbia, Canada.
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Average EPA AQI
26
Rank 107 of 158 cities by average AQI
PM2.5
4.8
ug/m3 annualized city average
Seasonality
August
Cleanest: December
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Squamish
18
22
30
23
22
23
39
40
33
22
22
17
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Squamish, the current global analytics build covers 365 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.