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Air Quality History for Downtown, Canada

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

16
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 2 1–2 0.3 µg/m³ — 2h 1
2026-06-08 4 2–8 0.9 µg/m³ 1.2 24h 2
2026-06-07 5 1–12 1.1 µg/m³ 1.7 24h 1
2026-06-06 5 1–21 1.2 µg/m³ 2.2 24h 1
2026-06-05 5 3–8 1.2 µg/m³ 1.2 24h 2
2026-06-04 6 2–13 1.4 µg/m³ 1.7 24h 2
2026-06-03 8 2–19 1.9 µg/m³ 1.8 24h 2
2026-06-02 6 4–15 1.5 µg/m³ 1.5 24h 2
2026-06-01 4 3–6 1.1 µg/m³ 1.1 21h 2
2026-05-31 8 4–68 2.0 µg/m³ 2.3 24h 2
2026-05-30 8 4–14 1.8 µg/m³ 1.9 24h 2
2026-05-29 8 4–18 2.0 µg/m³ 2.0 24h 2
2026-05-28 8 3–15 2.0 µg/m³ 2.0 24h 2
2026-05-27 7 2–17 1.6 µg/m³ 1.5 24h 2
2026-05-26 4 1–15 1.1 µg/m³ 1.5 24h 2
2026-05-25 11 5–26 2.7 µg/m³ 2.6 24h 2
2026-05-24 14 6–22 3.2 µg/m³ 3.3 24h 2
2026-05-23 11 2–40 2.6 µg/m³ 3.9 24h 2
2026-05-22 12 5–20 2.8 µg/m³ 2.6 22h 2
2026-05-21 9 4–18 2.0 µg/m³ 2.0 24h 2
2026-05-20 6 4–20 1.6 µg/m³ 1.5 22h 2
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