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Air Quality History for Guelph, Canada

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

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

Air Quality Index Station

115h

PM2.5 Station

115h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-08-08 36 35–38 8.8 µg/m³ 2h 2
2026-08-07 44 34–55 10.8 µg/m³ 18h 2
2026-08-06 37 30–42 8.9 µg/m³ 10h 2
2026-08-05 34 21–51 8.2 µg/m³ 6h 2
2026-08-04 23 17–38 5.5 µg/m³ 16h 2
2026-08-03 16 10–21 3.9 µg/m³ 11h 2
2026-08-02 39 25–53 9.5 µg/m³ 2h 2
2026-08-01 46 34–57 11.6 µg/m³ 2h 2
2026-07-31 25 21–39 6.1 µg/m³ 16h 2
2026-07-30 19 11–24 4.5 µg/m³ 7h 2
2026-07-29 24 22–25 5.6 µg/m³ 2h 2
2026-07-28 57 57–57 15.0 µg/m³ 1h 2
2026-07-27 46 34–65 11.6 µg/m³ 9h 2
2026-07-26 42 42–42 10.1 µg/m³ 5h 2
2026-07-25 37 25–44 8.9 µg/m³ 8h 2
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