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Air Quality History for Stouffville, Canada

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

35
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

182h

PM2.5 Station

182h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 32 31–34 7.9 µg/m³ 2h 3
2026-07-21 35 33–37 8.4 µg/m³ 3h 3
2026-07-20 34 19–66 8.9 µg/m³ 6h 3
2026-07-19 63 25–163 24.8 µg/m³ 4h 3
2026-07-18 112 30–180 54.6 µg/m³ 4h 3
2026-07-17 102 99–106 36.3 µg/m³ 2h 3
2026-07-14 54 48–58 13.7 µg/m³ 3h 3
2026-07-13 78 55–88 24.7 µg/m³ 8h 3
2026-07-12 67 56–83 20.0 µg/m³ 7h 3
2026-07-11 54 43–60 13.7 µg/m³ 14h 3
2026-07-10 23 17–39 5.4 µg/m³ 15h 3
2026-07-09 43 29–54 10.4 µg/m³ 13h 3
2026-07-08 27 10–40 6.4 µg/m³ 11h 3
2026-07-07 34 29–44 8.2 µg/m³ 6h 3
2026-07-06 42 28–51 10.0 µg/m³ 7h 3
2026-07-05 42 33–48 10.2 µg/m³ 20h 3
2026-07-04 31 21–37 7.4 µg/m³ 24h 3
2026-07-03 43 31–53 10.4 µg/m³ 24h 3
2026-07-02 61 42–71 17.0 µg/m³ 9h 3
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