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Air Quality History for Saint-Laurent, Canada

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

33
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

410h

PM2.5 Station

410h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 56 35–76 15.8 µg/m³ 11.2 3h 2
2026-10-20 13 1–43 3.1 µg/m³ 3.5 23h 2
2026-10-19 10 4–25 2.5 µg/m³ 1.7 24h 2
2026-10-18 7 1–21 1.6 µg/m³ 1.4 23h 2
2026-10-17 4 3–6 1.0 µg/m³ 4.0 5h 1
2026-10-16 21 3–50 5.1 µg/m³ 4.9 22h 2
2026-10-15 12 1–67 3.1 µg/m³ 4.5 20h 2
2026-10-14 12 2–59 3.0 µg/m³ 3.2 24h 2
2026-10-13 10 1–35 2.4 µg/m³ 3.0 23h 1
2026-10-12 22 4–69 5.5 µg/m³ 4.6 24h 2
2026-10-11 15 5–50 3.7 µg/m³ 3.4 24h 2
2026-10-10 8 2–28 1.9 µg/m³ 3.2 20h 2
2026-10-09 11 1–56 2.5 µg/m³ 5.9 21h 1
2026-10-08 22 4–56 5.1 µg/m³ 4.4 24h 2
2026-10-07 7 2–28 1.7 µg/m³ 1.7 23h 2
2026-10-06 3 2–4 0.5 µg/m³ 1.0 6h 1
2026-10-05 12 2–48 3.0 µg/m³ 3.0 18h 2
2026-10-04 28 5–73 7.1 µg/m³ 7.0 24h 2
2026-10-03 24 2–73 6.3 µg/m³ 9.6 14h 2
2026-10-02 38 5–85 10.4 µg/m³ 8.2 24h 2
2026-10-01 43 18–64 10.7 µg/m³ 8.4 21h 2
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