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
42 10pm
104
104
104 1am
106
106
113 4am
133
133
113 7am
106
104
103 10am
103
103
— 1pm
—
—
— 4pm
—
—
— 7pm
—
—
CAMS model adj +79
25
25
25
25
27
27
34
54
54
34
27
25
24
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
42
Guelph, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
40
Kitchener, Ontario, Canada
22.7 km PM2.5: 9.6 µg/m³
38
Kitchener, Ontario, Canada
22.7 km PM2.5: 9.1 µg/m³
40
Kitchener, Ontario, Canada
22.7 km PM2.5: 9.6 µg/m³
16
Bushview Crescent Waterloo
25.4 km PM2.5: 3.8 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 2026-08-11T01:16 UTC.