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
26 1am
28
34
35 4am
55
55
35 7am
28
26
25 10am
25
25
25 1pm
25
26
— 4pm
—
—
— 7pm
—
—
— 10pm
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Station readings
34
CAMS model adj +1
25
27
27
34
54
54
34
27
25
24
24
24
24
24
25

Air Quality Forecast (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

37
Guelph, Ontario, Canada
0.0 km PM2.5: 8.9 µg/m³
30
Guelph, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
46
Guelph, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
42
Guelph, Ontario, Canada
0.0 km PM2.5: 10.1 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
42
Kitchener, Ontario, Canada
22.7 km PM2.5: 10.1 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 2026-08-11T04:59 UTC.