Guelph, Ontario, Canada

Monitoring Station · Guelph, Canada
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
12 8pm
12
12
27 11pm
25
12
25 2am
25
25
25 5am
25
25
25 8am
25
12
— 11am
—
—
— 2pm
—
—
— 5pm
—
—

Air Quality Trend (24h)

View city history →

Nearby Monitoring Stations

29
Guelph, Ontario, Canada
0.0 km
32
Guelph, Ontario, Canada
0.0 km
26
Guelph, Ontario, Canada
0.0 km
26
Guelph, Ontario, Canada
0.0 km
26
Kitchener, Ontario, Canada
22.7 km
30
Kitchener, Ontario, Canada
22.7 km
46
Kitchener, Ontario, Canada
22.7 km
23
Bushview Crescent Waterloo
25.4 km PM2.5: 5.5 µg/m³

Nearby Cities

19 Guelph 38 Hespeler 30 Fiddlesticks 8 Fergus 38 Vanier 27 Cambridge 38 Waterloo 25 Christopher-Champlain 38 Kitchener

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T23:37 UTC.