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
40 6am
40
40
40 9am
20
11
10 12pm
11
11
10 3pm
10
11
11 6pm
11
11
— 9pm
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— 12am
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— 3am
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CAMS model adj -14
54
54
54
54
34
25
24
25
25
24
24
25
25
25
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
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 2026-08-08T09:07 UTC.