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Air Quality History for Pierrefonds, Canada

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

39
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

456h

PM2.5 Station

456h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 68 68–68 20.3 µg/m³ 21.7 1h 2
2026-07-21 62 30–96 18.4 µg/m³ 20.5 24h 2
2026-07-20 35 17–54 8.5 µg/m³ 9.0 24h 2
2026-07-19 42 8–142 12.5 µg/m³ 14.2 24h 2
2026-07-18 61 15–168 22.4 µg/m³ 25.4 24h 2
2026-07-17 18 4–29 4.3 µg/m³ 4.6 24h 2
2026-07-16 44 7–68 11.4 µg/m³ 12.7 24h 1
2026-07-15 81 12–147 27.2 µg/m³ 31.3 24h 1
2026-07-14 82 64–116 26.6 µg/m³ 28.9 24h 2
2026-07-13 86 70–107 28.4 µg/m³ 31.0 24h 2
2026-07-12 64 41–92 18.9 µg/m³ 20.2 24h 2
2026-07-11 44 28–62 11.0 µg/m³ 11.8 24h 2
2026-07-10 55 18–89 15.3 µg/m³ 16.6 24h 2
2026-07-09 38 6–73 10.3 µg/m³ 10.9 24h 2
2026-07-08 45 11–61 11.4 µg/m³ 12.0 24h 2
2026-07-07 60 44–78 16.9 µg/m³ 18.0 24h 2
2026-07-06 55 22–70 15.2 µg/m³ 17.1 12h 2
2026-07-05 36 9–63 8.8 µg/m³ 9.4 24h 2
2026-07-04 54 25–75 14.9 µg/m³ 15.8 24h 2
2026-07-03 52 21–71 13.6 µg/m³ 14.6 24h 2
2026-07-02 32 14–47 7.7 µg/m³ 8.9 11h 2
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