Guelph, Ontario, Canada Air Quality

Monitoring Station · Guelph, Canada
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
42 9pm
42
49
49 12am
69
69
69 3am
69
69
69 6am
69
69
69 9am
49
40
— 12pm
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—
— 3pm
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— 6pm
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CAMS model adj +15
27
27
34
34
54
54
54
54
54
54
54
54
54
34
25

Air Quality Forecast (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

38
Guelph, Ontario, Canada
0.0 km PM2.5: 9.1 µg/m³
40
Guelph, Ontario, Canada
0.0 km PM2.5: 9.6 µg/m³
38
Guelph, Ontario, Canada
0.0 km PM2.5: 9.1 µg/m³
42
Guelph, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
50
Guelph, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
35
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.4 µg/m³
43
Kitchener, Ontario, Canada
22.7 km PM2.5: 10.3 µg/m³
50
Kitchener, Ontario, Canada
22.7 km PM2.5: 12.0 µg/m³

Nearby Cities

35 Guelph 35 Hespeler 35 Fiddlesticks 35 Fergus 34 Vanier 37 Cambridge 34 Waterloo 38 Christopher-Champlain 34 Kitchener

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T00:43 UTC.