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Air Quality History for Saint-Léonard, Canada

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

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

322h

PM2.5 Station

322h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 28 17–36 6.6 µg/m³ 2.5 6h 2
2026-06-08 23 7–58 5.5 µg/m³ 2.2 24h 2
2026-06-07 21 6–56 5.2 µg/m³ 2.1 24h 2
2026-06-06 78 37–102 25.3 µg/m³ 9.3 24h 2
2026-06-05 46 29–61 11.4 µg/m³ 4.6 24h 2
2026-06-04 30 13–39 7.1 µg/m³ 3.1 24h 2
2026-06-03 17 9–34 4.2 µg/m³ 1.9 24h 2
2026-06-02 18 1–54 4.3 µg/m³ 2.4 23h 2
2026-06-01 18 5–57 4.3 µg/m³ 2.2 21h 2
2026-05-31 30 4–72 7.5 µg/m³ 4.9 24h 2
2026-05-30 11 4–17 2.6 µg/m³ 1.4 23h 2
2026-05-29 21 2–60 5.3 µg/m³ 4.4 24h 2
2026-05-28 13 2–70 3.1 µg/m³ 4.7 20h 1
2026-05-27 13 3–44 2.9 µg/m³ 1.1 19h 2
2026-05-26 29 5–45 6.9 µg/m³ 3.2 18h 2
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