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Air Quality History for Pierrefonds, Canada

Historical PM2.5 and AQI trend from monitoring stations near Pierrefonds, Canada.

69
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

423h

PM2.5 Station

423h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 7 4–12 1.8 µg/m³ 2.5 3h 1
2026-05-29 25 4–102 7.2 µg/m³ 8.1 24h 2
2026-05-28 11 4–47 2.6 µg/m³ 2.6 22h 1
2026-05-27 12 4–29 2.9 µg/m³ 2.9 24h 2
2026-05-26 28 8–47 6.8 µg/m³ 7.2 24h 2
2026-05-25 10 4–27 2.5 µg/m³ 2.6 20h 2
2026-05-24 18 4–80 4.8 µg/m³ 5.5 24h 2
2026-05-23 23 4–93 6.1 µg/m³ 6.8 24h 2
2026-05-22 8 4–36 2.0 µg/m³ 2.4 21h 2
2026-05-21 8 3–32 1.9 µg/m³ 2.0 15h 1
2026-05-20 28 4–45 6.7 µg/m³ 7.3 17h 2
2026-05-19 48 12–81 13.2 µg/m³ 14.2 24h 2
2026-05-18 18 4–53 4.4 µg/m³ 4.7 24h 2
2026-05-17 33 4–84 8.7 µg/m³ 9.0 23h 2
2026-05-16 18 5–58 4.5 µg/m³ 4.6 24h 2
2026-05-15 31 11–60 7.7 µg/m³ 8.1 24h 2
2026-05-14 49 21–73 12.8 µg/m³ 13.4 24h 2
2026-05-13 13 2–35 3.2 µg/m³ 3.8 24h 2
2026-05-12 5 4–8 1.2 µg/m³ 1.3 9h 1
2026-05-11 11 3–74 3.0 µg/m³ 3.5 13h 1
2026-05-10 18 4–76 5.0 µg/m³ 5.4 16h 2
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