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
57 6am
57
57
38 9am
37
28
27 12pm
28
28
27 3pm
27
28
28 6pm
28
28
— 9pm
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—
— 12am
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— 3am
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Station readings
38
CAMS model adj +3
54
54
54
54
34
25
24
25
25
24
24
25
25
25
25

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
34
Guelph, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
30
Guelph, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
34
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.2 µg/m³
43
Kitchener, Ontario, Canada
22.7 km PM2.5: 10.3 µg/m³
34
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.2 µg/m³
30
Kitchener, Ontario, Canada
22.7 km PM2.5: 7.2 µg/m³
34
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.2 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 2026-08-08T09:05 UTC.