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Air Quality History for Mont-Royal, Canada

Historical PM2.5 and AQI trend from monitoring stations near Mont-Royal, Canada.

56
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

300h

PM2.5 Station

300h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-22 63 52–74 17.8 µg/m³ 15.3 6h 2
2026-10-21 27 4–106 7.1 µg/m³ 6.6 24h 2
2026-10-20 13 1–43 3.1 µg/m³ 3.6 23h 2
2026-10-19 10 4–25 2.5 µg/m³ 1.8 24h 2
2026-10-18 7 1–22 1.6 µg/m³ 1.5 23h 2
2026-10-17 4 3–6 1.0 µg/m³ 4.0 5h 1
2026-10-16 21 3–51 5.1 µg/m³ 5.1 22h 2
2026-10-15 12 1–69 3.1 µg/m³ 4.6 20h 2
2026-10-14 12 2–59 3.0 µg/m³ 3.3 24h 2
2026-10-13 10 1–35 2.5 µg/m³ 3.1 23h 1
2026-10-12 22 4–70 5.5 µg/m³ 4.7 24h 2
2026-10-11 15 5–50 3.7 µg/m³ 3.5 24h 2
2026-10-10 8 2–28 1.9 µg/m³ 3.3 20h 2
2026-10-09 11 1–57 2.5 µg/m³ 6.1 21h 1
2026-10-08 20 4–56 4.6 µg/m³ 4.2 17h 2
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