Home › Canada › Saint-Léonard › History

Air Quality History for Saint-Léonard, Canada

Historical PM2.5 and AQI trend from monitoring stations near Saint-Léonard, Canada.

62
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

470h

PM2.5 Station

470h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 69 69–69 20.9 µg/m³ 7.6 1h 2
2026-08-07 64 46–78 18.5 µg/m³ 6.7 24h 2
2026-08-06 56 42–65 15.0 µg/m³ 5.7 24h 2
2026-08-05 32 18–47 7.6 µg/m³ 2.9 24h 2
2026-08-04 23 11–38 5.6 µg/m³ 2.3 24h 2
2026-08-03 43 4–97 11.5 µg/m³ 4.6 21h 2
2026-08-02 80 59–93 25.8 µg/m³ 10.6 24h 2
2026-08-01 64 40–84 18.2 µg/m³ 6.1 24h 2
2026-07-31 80 57–114 25.5 µg/m³ 9.4 24h 2
2026-07-30 62 43–92 17.7 µg/m³ 7.2 24h 2
2026-07-29 68 27–99 20.9 µg/m³ 8.5 24h 2
2026-07-28 90 70–112 30.3 µg/m³ 11.7 24h 2
2026-07-27 64 51–77 18.5 µg/m³ 7.4 24h 2
2026-07-26 59 40–70 16.0 µg/m³ 6.6 24h 2
2026-07-25 62 35–90 18.1 µg/m³ 7.2 24h 2
2026-07-24 31 18–58 7.5 µg/m³ 2.7 24h 2
2026-07-23 15 1–32 3.6 µg/m³ 1.8 23h 2
2026-07-22 46 2–81 12.8 µg/m³ 6.2 19h 2
2026-07-21 59 32–86 17.0 µg/m³ 7.4 24h 2
2026-07-20 39 15–57 9.5 µg/m³ 3.5 24h 2
2026-07-19 36 9–140 10.5 µg/m³ 4.6 22h 2
Back to Saint-Léonard Air Quality