Guelph, Ontario, Canada Air Quality

Monitoring Station · Guelph, Canada
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
104 9pm
42
104
104 12am
104
106
106 3am
113
133
133 6am
113
106
104 9am
103
103
— 12pm
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—
— 3pm
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—
— 6pm
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Station readings
42
CAMS model adj +79
25
25
25
25
25
27
27
34
54
54
34
27
25
24
24

Air Quality Forecast (24h)

PM2.510.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

42
Guelph, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
30
Guelph, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
50
Guelph, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
42
Kitchener, Ontario, Canada
22.7 km PM2.5: 10.1 µg/m³
40
Kitchener, Ontario, Canada
22.7 km PM2.5: 9.6 µg/m³
46
Kitchener, Ontario, Canada
22.7 km PM2.5: 11.0 µg/m³
40
Kitchener, Ontario, Canada
22.7 km PM2.5: 9.6 µg/m³
54
Bushview Crescent Waterloo
25.4 km PM2.5: 13.3 µg/m³

Nearby Cities

42 Guelph 40 Hespeler 41 Fiddlesticks 42 Fergus 40 Vanier 41 Cambridge 40 Waterloo 41 Christopher-Champlain 41 Kitchener

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T00:03 UTC.