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Brossard AQI Trends

Brossard 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 Quebec, Canada.

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Average EPA AQI

32

Rank 75 of 158 cities by average AQI

PM2.5

6.4

ug/m3 annualized city average

Seasonality

July

Cleanest: April

Health indicator

0.3

cigarette-equivalent per day

Yearly EPA AQI trend

0501002024Brossard

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec
Brossard
32
36
24
19
28
36
43
42
35
26
22
39

What this trends page measures

Compare yearly air-quality direction, best years, worst years, and trend deltas.

For Brossard, the current global analytics build covers 359 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.

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