Guelph, Ontario, Canada

Monitoring Station · Guelph, Canada
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
37 12am
37
50
50 3am
50
37
37 6am
37
37
37 9am
50
50
37 12pm
37
37
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

41
Guelph, Ontario, Canada
0.0 km
32
Guelph, Ontario, Canada
0.0 km
53
Guelph, Ontario, Canada
0.0 km
26
Guelph, Ontario, Canada
0.0 km
34
Guelph, Ontario, Canada
0.0 km
30
Kitchener, Ontario, Canada
22.7 km
41
Kitchener, Ontario, Canada
22.7 km
38
Kitchener, Ontario, Canada
22.7 km

Nearby Cities

16 Guelph 24 Hespeler 21 Fiddlesticks 14 Fergus 24 Vanier 20 Cambridge 24 Waterloo 19 Christopher-Champlain 24 Kitchener

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T03:44 UTC.