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Air Quality History for Laval, Canada

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

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

Air Quality Index Station

457h

PM2.5 Station

457h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-21 57 25–96 16.3 µg/m³ 17.6 23h 2
2026-07-20 34 13–57 8.2 µg/m³ 8.5 24h 2
2026-07-19 44 4–153 13.9 µg/m³ 15.8 24h 2
2026-07-18 57 13–165 20.1 µg/m³ 22.4 24h 2
2026-07-17 14 4–33 3.4 µg/m³ 3.6 24h 2
2026-07-16 42 4–68 10.8 µg/m³ 12.3 24h 2
2026-07-15 81 13–147 27.2 µg/m³ 30.3 24h 2
2026-07-14 82 59–117 26.8 µg/m³ 28.6 24h 2
2026-07-13 85 68–107 28.0 µg/m³ 30.4 24h 2
2026-07-12 55 22–86 15.3 µg/m³ 15.9 24h 2
2026-07-11 41 25–59 10.1 µg/m³ 11.0 24h 2
2026-07-10 55 22–84 15.5 µg/m³ 16.2 24h 2
2026-07-09 36 4–70 9.3 µg/m³ 9.8 24h 2
2026-07-08 45 9–67 11.5 µg/m³ 12.1 24h 2
2026-07-07 59 37–110 16.4 µg/m³ 17.9 24h 2
2026-07-06 56 30–70 15.3 µg/m³ 17.4 13h 2
2026-07-05 35 9–61 8.4 µg/m³ 9.0 24h 2
2026-07-04 56 24–84 15.8 µg/m³ 16.4 24h 2
2026-07-03 53 26–72 14.0 µg/m³ 15.1 24h 2
2026-07-02 30 9–55 7.3 µg/m³ 8.8 13h 3
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