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Air Quality History for Mercier–Hochelaga-Maisonneuve, Canada

Historical PM2.5 and AQI trend from monitoring stations near Mercier–Hochelaga-Maisonneuve, Canada.

65
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

409h

PM2.5 Station

409h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 152 152–152 58.2 µg/m³ 0.5 1h 2
2026-10-20 16 1–55 4.0 µg/m³ 0.2 23h 2
2026-10-19 14 2–25 3.2 µg/m³ 0.1 24h 2
2026-10-18 8 1–38 2.0 µg/m³ 0.0 23h 2
2026-10-17 4 3–6 1.0 µg/m³ 4.0 5h 1
2026-10-16 21 3–51 5.0 µg/m³ 0.2 22h 2
2026-10-15 7 1–20 1.8 µg/m³ 0.2 20h 2
2026-10-14 12 2–36 2.9 µg/m³ 0.1 24h 2
2026-10-13 9 1–35 2.3 µg/m³ 1.3 23h 1
2026-10-12 24 4–57 5.9 µg/m³ 0.1 24h 2
2026-10-11 20 8–54 4.9 µg/m³ 0.1 24h 2
2026-10-10 5 1–22 1.3 µg/m³ 0.4 20h 2
2026-10-09 8 1–32 1.7 µg/m³ 0.2 21h 1
2026-10-08 31 4–78 7.8 µg/m³ 0.1 24h 2
2026-10-07 10 2–52 2.4 µg/m³ 0.1 23h 2
2026-10-06 3 2–4 0.5 µg/m³ 1.0 6h 1
2026-10-05 17 2–48 4.1 µg/m³ 1.1 18h 2
2026-10-04 22 7–62 5.5 µg/m³ 0.2 24h 2
2026-10-03 18 2–86 4.5 µg/m³ 0.4 14h 2
2026-10-02 49 6–102 14.8 µg/m³ 0.3 24h 2
2026-10-01 50 24–87 13.3 µg/m³ 0.3 22h 2
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