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Air Quality History for Whitchurch-Stouffville, Canada

Historical PM2.5 and AQI trend from monitoring stations near Whitchurch-Stouffville, Canada.

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

Air Quality Index Station

473h

PM2.5 Station

473h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 30 18–59 7.5 µg/m³ 9h 2
2026-10-20 24 17–32 5.8 µg/m³ 24h 2
2026-10-19 25 15–34 6.0 µg/m³ 24h 2
2026-10-18 24 19–32 5.8 µg/m³ 24h 2
2026-10-17 20 15–26 4.7 µg/m³ 24h 2
2026-10-16 18 10–28 4.3 µg/m³ 18h 2
2026-10-15 16 12–21 3.9 µg/m³ 24h 2
2026-10-14 18 5–46 4.3 µg/m³ 24h 2
2026-10-13 53 42–61 13.5 µg/m³ 24h 2
2026-10-12 32 20–56 7.8 µg/m³ 24h 2
2026-10-11 22 16–31 5.3 µg/m³ 24h 2
2026-10-10 19 14–25 4.5 µg/m³ 24h 2
2026-10-09 21 13–27 5.1 µg/m³ 24h 2
2026-10-08 25 18–33 5.9 µg/m³ 24h 2
2026-10-07 26 20–40 6.2 µg/m³ 24h 2
2026-10-06 20 12–28 4.8 µg/m³ 24h 2
2026-10-05 22 17–28 5.2 µg/m³ 23h 2
2026-10-04 18 9–28 4.4 µg/m³ 24h 2
2026-10-03 17 1–30 4.1 µg/m³ 24h 2
2026-10-02 30 15–57 7.3 µg/m³ 24h 2
2026-10-01 44 32–54 10.6 µg/m³ 15h 2
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