Guelph, Ontario, Canada

Monitoring Station · Guelph, Canada
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
21 2pm
21
21
23 5pm
23
23
21 8pm
21
23
23 11pm
23
50
50 2am
50
30
— 5am
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— 8am
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— 11am
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Station readings
21
CAMS model adj -4
25
25
27
27
27
27
25
25
27
27
27
54
54
54
34

Air Quality Trend (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

32
Guelph, Ontario, Canada
0.0 km PM2.5: 7.7 µg/m³
34
Guelph, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
17
Guelph, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
17
Guelph, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
34
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.2 µg/m³
34
Kitchener, Ontario, Canada
22.7 km PM2.5: 8.2 µg/m³
42
Kitchener, Ontario, Canada
22.7 km PM2.5: 10.1 µg/m³
34
Bushview Crescent Waterloo
25.4 km PM2.5: 8.2 µg/m³

Nearby Cities

24 Guelph 29 Hespeler 29 Fiddlesticks 24 Fergus 36 Vanier 36 Cambridge 36 Waterloo 37 Christopher-Champlain 38 Kitchener

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T17:09 UTC.