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Air Quality History for Guelph, Canada

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

26
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 9 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 48 23–152 13.4 µg/m³ 2.5 12h 12
2026-05-29 50 10–121 14.4 µg/m³ 7.4 24h 16
2026-05-28 40 12–155 11.4 µg/m³ 2.1 24h 14
2026-05-27 55 18–155 16.1 µg/m³ 5.7 24h 13
2026-05-26 35 19–68 8.5 µg/m³ 5.8 24h 12
2026-05-25 70 18–169 25.0 µg/m³ 11.2 24h 14
2026-05-24 50 18–93 13.7 µg/m³ 5.1 24h 16
2026-05-23 58 21–127 16.7 µg/m³ 3.1 24h 15
2026-05-22 39 17–73 10.2 µg/m³ 4.0 24h 13
2026-05-21 64 21–163 20.8 µg/m³ 1.9 24h 15
2026-05-20 79 20–212 32.4 µg/m³ 5.9 24h 15
2026-05-19 46 13–131 12.9 µg/m³ 7.7 24h 14
2026-05-18 46 21–77 11.9 µg/m³ 23.5 24h 11
2026-05-17 65 16–162 21.1 µg/m³ 25.0 24h 6
2026-05-16 48 23–83 12.7 µg/m³ 13.8 11h 16
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