Guelph, Ontario, Canada Air Quality

Monitoring Station · Guelph, Canada
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
73 10pm
38
80
100 1am
100
100
100 4am
100
100
100 7am
100
100
80 10am
71
70
— 1pm
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—
— 4pm
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— 7pm
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Station readings
38
CAMS model adj +46
27
34
34
54
54
54
54
54
54
54
54
54
34
25
24

Air Quality Forecast (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

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
50
Guelph, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
35
Guelph, Ontario, Canada
0.0 km PM2.5: 8.4 µg/m³
34
Guelph, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
37
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.9 µg/m³
43
Kitchener, Ontario, Canada
22.7 km PM2.5: 10.3 µg/m³
35
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.4 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 2026-08-08T01:45 UTC.