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Air Quality History for Downsview-Roding-CFB, Canada

Historical PM2.5 and AQI trend from monitoring stations near Downsview-Roding-CFB, Canada.

17
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

480h

PM2.5 Station

480h · 6 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 12 6–19 3.0 µg/m³ 1.6 2h 4
2026-10-20 27 4–84 7.6 µg/m³ 8.8 24h 2
2026-10-19 60 4–155 20.0 µg/m³ 23.5 24h 2
2026-10-18 12 1–89 3.2 µg/m³ 3.8 24h 2
2026-10-17 50 4–158 16.9 µg/m³ 22.6 24h 2
2026-10-16 54 5–173 18.6 µg/m³ 21.5 24h 2
2026-10-15 57 2–136 19.1 µg/m³ 22.7 24h 2
2026-10-14 38 1–103 11.6 µg/m³ 16.5 24h 3
2026-10-13 71 31–156 22.7 µg/m³ 25.4 24h 3
2026-10-12 57 15–124 17.0 µg/m³ 19.6 24h 3
2026-10-11 25 8–52 5.9 µg/m³ 6.1 24h 2
2026-10-10 15 2–80 3.9 µg/m³ 4.1 24h 1
2026-10-09 63 5–157 21.8 µg/m³ 24.5 24h 2
2026-10-08 19 2–97 5.5 µg/m³ 6.2 24h 2
2026-10-07 16 2–57 3.8 µg/m³ 4.1 24h 2
2026-10-06 9 2–21 1.9 µg/m³ 1.5 24h 2
2026-10-05 25 1–92 7.3 µg/m³ 8.9 24h 2
2026-10-04 27 3–107 7.4 µg/m³ 8.2 24h 2
2026-10-03 17 3–183 7.4 µg/m³ 8.1 24h 2
2026-10-02 83 4–191 34.8 µg/m³ 39.0 24h 2
2026-10-01 34 10–108 8.8 µg/m³ 9.7 22h 3
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