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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

480h

PM2.5 Station

480h · 11 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 39 9–72 10.4 µg/m³ 2.6 11h 11
2026-05-29 50 10–121 14.2 µg/m³ 7.4 24h 14
2026-05-28 36 12–87 9.4 µg/m³ 2.1 24h 12
2026-05-27 53 17–158 16.5 µg/m³ 5.7 24h 11
2026-05-26 33 14–70 8.3 µg/m³ 5.8 24h 10
2026-05-25 63 19–199 22.2 µg/m³ 11.2 24h 13
2026-05-24 48 15–90 13.2 µg/m³ 5.1 24h 14
2026-05-23 57 22–127 16.4 µg/m³ 3.1 24h 14
2026-05-22 36 13–71 9.2 µg/m³ 4.0 24h 12
2026-05-21 63 19–157 19.2 µg/m³ 1.9 24h 14
2026-05-20 82 18–212 35.5 µg/m³ 5.9 24h 12
2026-05-19 46 15–139 12.9 µg/m³ 7.7 24h 12
2026-05-18 49 23–89 13.1 µg/m³ 23.5 24h 9
2026-05-17 61 18–154 18.8 µg/m³ 25.0 24h 5
2026-05-16 55 21–153 15.7 µg/m³ 9.9 24h 13
2026-05-15 50 27–97 13.6 µg/m³ 3.0 24h 16
2026-05-14 67 28–186 22.7 µg/m³ 2.5 24h 15
2026-05-13 51 25–71 13.4 µg/m³ 9.8 24h 16
2026-05-12 46 17–82 12.5 µg/m³ 3.7 24h 15
2026-05-11 59 22–136 18.1 µg/m³ 2.2 24h 18
2026-05-10 58 27–76 16.5 µg/m³ 2.9 13h 19
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