Guelph, Ontario, Canada Air Quality

Monitoring Station · Guelph, Canada
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
32 12am
32
37
34 3am
41
61
61 6am
41
34
32 9am
31
31
31 12pm
31
31
— 3pm
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—
— 6pm
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— 9pm
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Station readings
37
CAMS model adj +7
25
25
27
27
34
54
54
34
27
25
24
24
24
24
24

Air Quality Forecast (24h)

PM2.58.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

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
34
Guelph, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
38
Kitchener, Ontario, Canada
22.7 km PM2.5: 9.1 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
42
Kitchener, Ontario, Canada
22.7 km PM2.5: 10.1 µg/m³
66
Bushview Crescent Waterloo
25.4 km PM2.5: 19.0 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 2026-08-11T03:39 UTC.