Guelph, Ontario, Canada Air Quality

Monitoring Station · Guelph, Canada
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 3pm
63
63
63 6pm
63
63
64 9pm
64
64
64 12am
64
66
66 3am
73
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CAMS model adj +39
25
24
24
24
24
24
25
25
25
25
25
27
27
34

Air Quality Forecast (24h)

PM2.512.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

46
Guelph, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
46
Guelph, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
13
Guelph, Ontario, Canada
0.0 km PM2.5: 3.1 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
50
Kitchener, Ontario, Canada
22.7 km PM2.5: 12.0 µg/m³
63
Bushview Crescent Waterloo
25.4 km PM2.5: 17.8 µg/m³

Nearby Cities

47 Guelph 51 Hespeler 48 Fiddlesticks 47 Fergus 50 Vanier 49 Cambridge 52 Waterloo 49 Christopher-Champlain 49 Kitchener

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T18:01 UTC.