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Air Quality History for Willowdale, Canada

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

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

Air Quality Index Station

480h

PM2.5 Station

480h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-05 18 1–72 4.7 µg/m³ 5.6 20h 2
2026-09-04 9 1–23 2.1 µg/m³ 2.7 24h 2
2026-09-03 25 6–49 6.0 µg/m³ 7.0 24h 2
2026-09-02 32 1–65 8.0 µg/m³ 9.8 24h 2
2026-09-01 47 20–67 12.1 µg/m³ 14.5 24h 2
2026-08-31 29 4–53 7.0 µg/m³ 8.3 24h 2
2026-08-30 25 11–54 6.1 µg/m³ 7.1 24h 2
2026-08-29 32 4–168 10.9 µg/m³ 11.7 24h 2
2026-08-28 32 6–165 11.0 µg/m³ 23.4 24h 3
2026-08-27 68 10–141 21.7 µg/m³ 25.3 24h 2
2026-08-26 24 14–47 5.8 µg/m³ 6.9 24h 2
2026-08-25 11 1–22 2.6 µg/m³ 2.9 24h 2
2026-08-24 53 5–193 21.6 µg/m³ 33.1 24h 2
2026-08-23 45 1–155 15.1 µg/m³ 21.5 24h 2
2026-08-22 21 6–62 5.2 µg/m³ 6.7 24h 2
2026-08-21 23 1–64 5.6 µg/m³ 8.1 24h 1
2026-08-20 25 11–39 6.1 µg/m³ 8.3 24h 1
2026-08-19 18 4–42 4.3 µg/m³ 5.0 24h 1
2026-08-18 12 2–25 3.0 µg/m³ 2.2 24h 2
2026-08-17 35 4–190 12.5 µg/m³ 15.7 24h 2
2026-08-16 21 18–24 5.1 µg/m³ 6.1 4h 2
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