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Air Quality History for Armdale, Canada

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

19
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

350h

PM2.5 Station

350h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-21 9 2–30 2.2 µg/m³ 2.5 18h 1
2026-07-20 8 1–15 1.9 µg/m³ 2.3 10h 1
2026-07-19 51 1–94 15.8 µg/m³ 18.2 19h 1
2026-07-18 14 1–63 3.7 µg/m³ 4.5 16h 1
2026-07-17 11 4–21 2.7 µg/m³ 3.0 6h 1
2026-07-16 43 8–69 11.5 µg/m³ 13.1 24h 1
2026-07-15 66 24–99 19.9 µg/m³ 22.8 24h 1
2026-07-14 20 3–60 4.9 µg/m³ 6.0 24h 1
2026-07-13 38 11–65 9.8 µg/m³ 11.8 24h 1
2026-07-12 20 4–40 4.8 µg/m³ 5.3 18h 1
2026-07-11 36 8–64 8.9 µg/m³ 10.6 24h 1
2026-07-10 49 10–70 12.9 µg/m³ 14.6 24h 1
2026-07-09 16 2–55 3.9 µg/m³ 4.5 19h 1
2026-07-08 8 1–23 1.9 µg/m³ 2.7 9h 1
2026-07-07 12 1–26 2.9 µg/m³ 3.2 13h 1
2026-07-06 18 18–18 4.4 µg/m³ — 1h 3
2026-07-05 46 4–72 12.9 µg/m³ 14.1 15h 1
2026-07-04 66 35–108 19.5 µg/m³ 21.0 24h 1
2026-07-03 61 43–75 17.3 µg/m³ 19.5 24h 1
2026-07-02 43 19–70 11.2 µg/m³ 13.0 13h 1
2026-07-01 16 16–16 3.9 µg/m³ 4.5 1h 1
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