Guelph, Ontario, Canada Air Quality

Monitoring Station · Guelph, Canada
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
13 12pm
27
27
27 3pm
26
26
26 6pm
26
26
27 9pm
27
27
27 12am
27
29
— 3am
—
—
— 6am
—
—
— 9am
—
—
CAMS model adj +2
27
25
25
25
24
24
24
24
24
25
25
25
25
25
27

Air Quality Forecast (24h)

PM2.53.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

46
Guelph, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
34
Guelph, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
50
Guelph, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
30
Guelph, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
30
Guelph, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
46
Kitchener, Ontario, Canada
22.7 km PM2.5: 11.0 µg/m³
34
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.2 µg/m³
62
Bushview Crescent Waterloo
25.4 km PM2.5: 17.1 µg/m³

Nearby Cities

26 Guelph 36 Hespeler 36 Fiddlesticks 26 Fergus 46 Vanier 39 Cambridge 46 Waterloo 39 Christopher-Champlain 47 Kitchener

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T15:42 UTC.